Issue #1355 - Store the dirty rect on the display list builder rather than passing it as a parameter to BuildDisplayList

Also fix build bustage for De-unified layout/xul in nsRootBoxFrame.cpp

154 files changed, 259 insertions, 430 deletions

diff --git a/layout/base/nsDisplayList.cpp b/layout/base/nsDisplayList.cpp
index 8a34d108f1..b08fe4219a 100644
--- a/layout/base/nsDisplayList.cpp
+++ b/layout/base/nsDisplayList.cpp
@@ -864,10 +864,9 @@ nsDisplayListBuilder::FindAnimatedGeometryRootFor(nsDisplayItem* aItem)
 
 
 void nsDisplayListBuilder::MarkOutOfFlowFrameForDisplay(nsIFrame* aDirtyFrame,
-                                                        nsIFrame* aFrame,
-                                                        const nsRect& aDirtyRect)
+                                                        nsIFrame* aFrame)
 {
-  nsRect dirtyRectRelativeToDirtyFrame = aDirtyRect;
+  nsRect dirtyRectRelativeToDirtyFrame = GetDirtyRect();
   if (nsLayoutUtils::IsFixedPosFrameInDisplayPort(aFrame) &&
       IsPaintingToWindow()) {
     NS_ASSERTION(aDirtyFrame == aFrame->GetParent(), "Dirty frame should be viewport frame");
@@ -882,7 +881,9 @@ void nsDisplayListBuilder::MarkOutOfFlowFrameForDisplay(nsIFrame* aDirtyFrame,
       dirtyRectRelativeToDirtyFrame.SizeTo(aDirtyFrame->GetSize());
     }
   }
-  nsRect dirty = dirtyRectRelativeToDirtyFrame - aFrame->GetOffsetTo(aDirtyFrame);
+
+  nsPoint offset = aFrame->GetOffsetTo(aDirtyFrame);
+  nsRect dirty = dirtyRectRelativeToDirtyFrame - offset;
   nsRect overflowRect = aFrame->GetVisualOverflowRect();
 
   if (aFrame->IsTransformed() &&
@@ -1094,8 +1095,7 @@ nsDisplayListBuilder::ResetMarkedFramesForDisplayList()
 
 void
 nsDisplayListBuilder::MarkFramesForDisplayList(nsIFrame* aDirtyFrame,
-                                               const nsFrameList& aFrames,
-                                               const nsRect& aDirtyRect) {
+                                               const nsFrameList& aFrames) {
   for (nsIFrame* e : aFrames) {
     // Skip the AccessibleCaret frame when building no caret.
     if (!IsBuildingCaret()) {
@@ -1107,9 +1107,8 @@ nsDisplayListBuilder::MarkFramesForDisplayList(nsIFrame* aDirtyFrame,
         }
       }
     }
-    
     mFramesMarkedForDisplay.AppendElement(e);
-    MarkOutOfFlowFrameForDisplay(aDirtyFrame, e, aDirtyRect);
+    MarkOutOfFlowFrameForDisplay(aDirtyFrame, e);
   }
 }
 
@@ -2626,7 +2625,6 @@ SpecialCutoutRegionCase(nsDisplayListBuilder* aBuilder,
   return true;
 }
 
-
 /*static*/ bool
 nsDisplayBackgroundImage::AppendBackgroundItemsToTop(nsDisplayListBuilder* aBuilder,
                                                      nsIFrame* aFrame,
diff --git a/layout/base/nsDisplayList.h b/layout/base/nsDisplayList.h
index 9cee7b517d..e4fb57e8ad 100644
--- a/layout/base/nsDisplayList.h
+++ b/layout/base/nsDisplayList.h
@@ -444,6 +444,10 @@ public:
    * BuildDisplayList on right now).
    */
   const nsRect& GetDirtyRect() { return mDirtyRect; }
+
+  void SetDirtyRect(const nsRect& aDirtyRect) { mDirtyRect = aDirtyRect; }
+  void IntersectDirtyRect(const nsRect& aDirtyRect) { mDirtyRect.IntersectRect(mDirtyRect, aDirtyRect); }
+
   const nsIFrame* GetCurrentFrame() { return mCurrentFrame; }
   const nsIFrame* GetCurrentReferenceFrame() { return mCurrentReferenceFrame; }
   const nsPoint& GetCurrentFrameOffsetToReferenceFrame() { return mCurrentOffsetToReferenceFrame; }
@@ -493,11 +497,10 @@ public:
   /**
    * Display the caret if needed.
    */
-  void DisplayCaret(nsIFrame* aFrame, const nsRect& aDirtyRect,
-                    nsDisplayList* aList) {
+  void DisplayCaret(nsIFrame* aFrame, nsDisplayList* aList) {
     nsIFrame* frame = GetCaretFrame();
     if (aFrame == frame) {
-      frame->DisplayCaret(this, aDirtyRect, aList);
+      frame->DisplayCaret(this, aList);
     }
   }
   /**
@@ -602,8 +605,7 @@ public:
    * destroyed.
    */
   void MarkFramesForDisplayList(nsIFrame* aDirtyFrame,
-                                const nsFrameList& aFrames,
-                                const nsRect& aDirtyRect);
+                                const nsFrameList& aFrames);
   /**
    * Mark all child frames that Preserve3D() as needing display.
    * Because these frames include transforms set on their parent, dirty rects
@@ -700,8 +702,8 @@ public:
   friend class AutoBuildingDisplayList;
   class AutoBuildingDisplayList {
   public:
-    AutoBuildingDisplayList(nsDisplayListBuilder* aBuilder,
-                            nsIFrame* aForChild,
+
+    AutoBuildingDisplayList(nsDisplayListBuilder* aBuilder, nsIFrame* aForChild,
                             const nsRect& aDirtyRect, bool aIsRoot)
       : mBuilder(aBuilder),
         mPrevFrame(aBuilder->mCurrentFrame),
@@ -1120,11 +1122,11 @@ public:
     Preserves3DContext mSavedCtx;
   };
 
-  const nsRect GetPreserves3DDirtyRect(const nsIFrame *aFrame) const {
+  const nsRect GetPreserves3DRects() const {
     return mPreserves3DCtx.mDirtyRect;
   }
-  void SetPreserves3DDirtyRect(const nsRect &aDirtyRect) {
-    mPreserves3DCtx.mDirtyRect = aDirtyRect;
+  void SavePreserves3DRects() {
+    mPreserves3DCtx.mDirtyRect = mDirtyRect;
   }
 
   bool IsBuildingInvisibleItems() const { return mBuildingInvisibleItems; }
@@ -1133,8 +1135,7 @@ public:
   }
 
 private:
-  void MarkOutOfFlowFrameForDisplay(nsIFrame* aDirtyFrame, nsIFrame* aFrame,
-                                    const nsRect& aDirtyRect);
+  void MarkOutOfFlowFrameForDisplay(nsIFrame* aDirtyFrame, nsIFrame* aFrame);
 
   /**
    * Returns whether a frame acts as an animated geometry root, optionally
diff --git a/layout/base/nsLayoutUtils.cpp b/layout/base/nsLayoutUtils.cpp
index 710463a5ff..fdcdcac785 100644
--- a/layout/base/nsLayoutUtils.cpp
+++ b/layout/base/nsLayoutUtils.cpp
@@ -3111,7 +3111,8 @@ nsLayoutUtils::GetFramesForArea(nsIFrame* aFrame, const nsRect& aRect,
   }
 
   builder.EnterPresShell(aFrame);
-  aFrame->BuildDisplayListForStackingContext(&builder, aRect, &list);
+  builder.SetDirtyRect(aRect);
+  aFrame->BuildDisplayListForStackingContext(&builder, &list);
   builder.LeavePresShell(aFrame, nullptr);
 
 #ifdef MOZ_DUMP_PAINTING
@@ -3460,7 +3461,8 @@ nsLayoutUtils::PaintFrame(nsRenderingContext* aRenderingContext, nsIFrame* aFram
     PROFILER_LABEL("nsLayoutUtils", "PaintFrame::BuildDisplayList",
       js::ProfileEntry::Category::GRAPHICS);
 
-    aFrame->BuildDisplayListForStackingContext(&builder, dirtyRect, &list);
+    builder.SetDirtyRect(dirtyRect);
+    aFrame->BuildDisplayListForStackingContext(&builder, &list);
   }
 
   nsIAtom* frameType = aFrame->GetType();
diff --git a/layout/base/nsPresShell.cpp b/layout/base/nsPresShell.cpp
index 8b469185f2..e8670ff3bf 100644
--- a/layout/base/nsPresShell.cpp
+++ b/layout/base/nsPresShell.cpp
@@ -4868,8 +4868,8 @@ PresShell::CreateRangePaintInfo(nsIDOMRange* aRange,
     nsIFrame* frame = aNode->AsContent()->GetPrimaryFrame();
     // XXX deal with frame being null due to display:contents
     for (; frame; frame = nsLayoutUtils::GetNextContinuationOrIBSplitSibling(frame)) {
-      frame->BuildDisplayListForStackingContext(&info->mBuilder,
-               frame->GetVisualOverflowRect(), &info->mList);
+      info->mBuilder.SetDirtyRect(frame->GetVisualOverflowRect());
+      frame->BuildDisplayListForStackingContext(&info->mBuilder, &info->mList);
     }
   };
   if (startParent->NodeType() == nsIDOMNode::TEXT_NODE) {
diff --git a/layout/forms/nsComboboxControlFrame.cpp b/layout/forms/nsComboboxControlFrame.cpp
index 98a91b9f5d..eab825d46f 100644
--- a/layout/forms/nsComboboxControlFrame.cpp
+++ b/layout/forms/nsComboboxControlFrame.cpp
@@ -1295,7 +1295,6 @@ public:
                           nsReflowStatus&          aStatus) override;
 
   virtual void BuildDisplayList(nsDisplayListBuilder*   aBuilder,
-                                const nsRect&           aDirtyRect,
                                 const nsDisplayListSet& aLists) override;
 
 protected:
@@ -1336,11 +1335,10 @@ nsComboboxDisplayFrame::Reflow(nsPresContext*           aPresContext,
 
 void
 nsComboboxDisplayFrame::BuildDisplayList(nsDisplayListBuilder*   aBuilder,
-                                         const nsRect&           aDirtyRect,
                                          const nsDisplayListSet& aLists)
 {
   nsDisplayListCollection set;
-  nsBlockFrame::BuildDisplayList(aBuilder, aDirtyRect, set);
+  nsBlockFrame::BuildDisplayList(aBuilder, set);
 
   // remove background items if parent frame is themed
   if (mComboBox->IsThemed()) {
@@ -1541,13 +1539,8 @@ void nsDisplayComboboxFocus::Paint(nsDisplayListBuilder* aBuilder,
 
 void
 nsComboboxControlFrame::BuildDisplayList(nsDisplayListBuilder*   aBuilder,
-                                         const nsRect&           aDirtyRect,
                                          const nsDisplayListSet& aLists)
 {
-#ifdef NOISY
-  printf("%p paint at (%d, %d, %d, %d)\n", this,
-    aDirtyRect.x, aDirtyRect.y, aDirtyRect.width, aDirtyRect.height);
-#endif
 
   if (aBuilder->IsForEventDelivery()) {
     // Don't allow children to receive events.
@@ -1556,7 +1549,7 @@ nsComboboxControlFrame::BuildDisplayList(nsDisplayListBuilder*   aBuilder,
   } else {
     // REVIEW: Our in-flow child frames are inline-level so they will paint in our
     // content list, so we don't need to mess with layers.
-    nsBlockFrame::BuildDisplayList(aBuilder, aDirtyRect, aLists);
+    nsBlockFrame::BuildDisplayList(aBuilder, aLists);
   }
 
   // draw a focus indicator only when focus rings should be drawn
diff --git a/layout/forms/nsComboboxControlFrame.h b/layout/forms/nsComboboxControlFrame.h
index de713576f3..9f5005f3c3 100644
--- a/layout/forms/nsComboboxControlFrame.h
+++ b/layout/forms/nsComboboxControlFrame.h
@@ -92,7 +92,6 @@ public:
                                nsEventStatus* aEventStatus) override;
 
   virtual void BuildDisplayList(nsDisplayListBuilder*   aBuilder,
-                                const nsRect&           aDirtyRect,
                                 const nsDisplayListSet& aLists) override;
 
   void PaintFocus(DrawTarget& aDrawTarget, nsPoint aPt);
diff --git a/layout/forms/nsFieldSetFrame.cpp b/layout/forms/nsFieldSetFrame.cpp
index fc9f0571b7..087f44728a 100644
--- a/layout/forms/nsFieldSetFrame.cpp
+++ b/layout/forms/nsFieldSetFrame.cpp
@@ -153,7 +153,6 @@ nsDisplayFieldSetBorderBackground::ComputeInvalidationRegion(nsDisplayListBuilde
 
 void
 nsFieldSetFrame::BuildDisplayList(nsDisplayListBuilder*   aBuilder,
-                                  const nsRect&           aDirtyRect,
                                   const nsDisplayListSet& aLists) {
   // Paint our background and border in a special way.
   // REVIEW: We don't really need to check frame emptiness here; if it's empty,
@@ -180,7 +179,7 @@ nsFieldSetFrame::BuildDisplayList(nsDisplayListBuilder*   aBuilder,
   }
 
   if (GetPrevInFlow()) {
-    DisplayOverflowContainers(aBuilder, aDirtyRect, aLists);
+    DisplayOverflowContainers(aBuilder, aLists);
   }
 
   nsDisplayListCollection contentDisplayItems;
@@ -191,13 +190,13 @@ nsFieldSetFrame::BuildDisplayList(nsDisplayListBuilder*   aBuilder,
     // legend. However, we want the inner frame's display items to be
     // after the legend's display items in z-order, so we need to save them
     // and append them later.
-    BuildDisplayListForChild(aBuilder, inner, aDirtyRect, contentDisplayItems);
+    BuildDisplayListForChild(aBuilder, inner, contentDisplayItems);
   }
   if (nsIFrame* legend = GetLegend()) {
     // The legend's background goes on our BlockBorderBackgrounds list because
     // it's a block child.
     nsDisplayListSet set(aLists, aLists.BlockBorderBackgrounds());
-    BuildDisplayListForChild(aBuilder, legend, aDirtyRect, set);
+    BuildDisplayListForChild(aBuilder, legend, set);
   }
   // Put the inner frame's display items on the master list. Note that this
   // moves its border/background display items to our BorderBackground() list,
diff --git a/layout/forms/nsFieldSetFrame.h b/layout/forms/nsFieldSetFrame.h
index 5eb67c3209..7c162515ed 100644
--- a/layout/forms/nsFieldSetFrame.h
+++ b/layout/forms/nsFieldSetFrame.h
@@ -53,7 +53,6 @@ public:
                                  nscoord* aBaseline) const override;
 
   virtual void BuildDisplayList(nsDisplayListBuilder*   aBuilder,
-                                const nsRect&           aDirtyRect,
                                 const nsDisplayListSet& aLists) override;
 
   DrawResult PaintBorder(nsDisplayListBuilder* aBuilder,
diff --git a/layout/forms/nsFileControlFrame.cpp b/layout/forms/nsFileControlFrame.cpp
index 6593716151..d60e4fb468 100644
--- a/layout/forms/nsFileControlFrame.cpp
+++ b/layout/forms/nsFileControlFrame.cpp
@@ -485,10 +485,9 @@ nsFileControlFrame::SetFormProperty(nsIAtom* aName,
 
 void
 nsFileControlFrame::BuildDisplayList(nsDisplayListBuilder*   aBuilder,
-                                     const nsRect&           aDirtyRect,
                                      const nsDisplayListSet& aLists)
 {
-  BuildDisplayListForInline(aBuilder, aDirtyRect, aLists);
+  BuildDisplayListForInline(aBuilder, aLists);
 }
 
 #ifdef ACCESSIBILITY
diff --git a/layout/forms/nsFileControlFrame.h b/layout/forms/nsFileControlFrame.h
index 55c51d426c..4f975af299 100644
--- a/layout/forms/nsFileControlFrame.h
+++ b/layout/forms/nsFileControlFrame.h
@@ -33,7 +33,6 @@ public:
                     nsIFrame*         aPrevInFlow) override;
 
   virtual void BuildDisplayList(nsDisplayListBuilder*   aBuilder,
-                                const nsRect&           aDirtyRect,
                                 const nsDisplayListSet& aLists) override;
 
   NS_DECL_QUERYFRAME
diff --git a/layout/forms/nsFormControlFrame.h b/layout/forms/nsFormControlFrame.h
index fd3e95d936..41bb1d9e8f 100644
--- a/layout/forms/nsFormControlFrame.h
+++ b/layout/forms/nsFormControlFrame.h
@@ -40,7 +40,6 @@ public:
 
   // nsIFrame replacements
   virtual void BuildDisplayList(nsDisplayListBuilder*   aBuilder,
-                                const nsRect&           aDirtyRect,
                                 const nsDisplayListSet& aLists) override {
     DO_GLOBAL_REFLOW_COUNT_DSP("nsFormControlFrame");
     DisplayBorderBackgroundOutline(aBuilder, aLists);
diff --git a/layout/forms/nsGfxCheckboxControlFrame.cpp b/layout/forms/nsGfxCheckboxControlFrame.cpp
index 061c92349f..80009eff2c 100644
--- a/layout/forms/nsGfxCheckboxControlFrame.cpp
+++ b/layout/forms/nsGfxCheckboxControlFrame.cpp
@@ -107,10 +107,9 @@ nsGfxCheckboxControlFrame::AccessibleType()
 //------------------------------------------------------------
 void
 nsGfxCheckboxControlFrame::BuildDisplayList(nsDisplayListBuilder*   aBuilder,
-                                            const nsRect&           aDirtyRect,
                                             const nsDisplayListSet& aLists)
 {
-  nsFormControlFrame::BuildDisplayList(aBuilder, aDirtyRect, aLists);
+  nsFormControlFrame::BuildDisplayList(aBuilder, aLists);
   
   // Get current checked state through content model.
   if ((!IsChecked() && !IsIndeterminate()) || !IsVisibleForPainting(aBuilder))
diff --git a/layout/forms/nsGfxCheckboxControlFrame.h b/layout/forms/nsGfxCheckboxControlFrame.h
index 70b8d8d6a7..9234b50577 100644
--- a/layout/forms/nsGfxCheckboxControlFrame.h
+++ b/layout/forms/nsGfxCheckboxControlFrame.h
@@ -23,7 +23,6 @@ public:
 #endif
 
   virtual void BuildDisplayList(nsDisplayListBuilder*   aBuilder,
-                                const nsRect&           aDirtyRect,
                                 const nsDisplayListSet& aLists) override;
 
 #ifdef ACCESSIBILITY
diff --git a/layout/forms/nsGfxRadioControlFrame.cpp b/layout/forms/nsGfxRadioControlFrame.cpp
index e4a35a998a..9c1ec070b4 100644
--- a/layout/forms/nsGfxRadioControlFrame.cpp
+++ b/layout/forms/nsGfxRadioControlFrame.cpp
@@ -70,10 +70,9 @@ PaintCheckedRadioButton(nsIFrame* aFrame,
 
 void
 nsGfxRadioControlFrame::BuildDisplayList(nsDisplayListBuilder*   aBuilder,
-                                         const nsRect&           aDirtyRect,
                                          const nsDisplayListSet& aLists)
 {
-  nsFormControlFrame::BuildDisplayList(aBuilder, aDirtyRect, aLists);
+  nsFormControlFrame::BuildDisplayList(aBuilder, aLists);
 
   if (!IsVisibleForPainting(aBuilder))
     return;
diff --git a/layout/forms/nsGfxRadioControlFrame.h b/layout/forms/nsGfxRadioControlFrame.h
index f91e6b94cc..dd268dec18 100644
--- a/layout/forms/nsGfxRadioControlFrame.h
+++ b/layout/forms/nsGfxRadioControlFrame.h
@@ -25,7 +25,6 @@ public:
 #endif
 
   virtual void BuildDisplayList(nsDisplayListBuilder*   aBuilder,
-                                const nsRect&           aDirtyRect,
                                 const nsDisplayListSet& aLists) override;
 };
 
diff --git a/layout/forms/nsHTMLButtonControlFrame.cpp b/layout/forms/nsHTMLButtonControlFrame.cpp
index c6d8e1c4f5..10f24e1e03 100644
--- a/layout/forms/nsHTMLButtonControlFrame.cpp
+++ b/layout/forms/nsHTMLButtonControlFrame.cpp
@@ -98,7 +98,6 @@ nsHTMLButtonControlFrame::ShouldClipPaintingToBorderBox()
 
 void
 nsHTMLButtonControlFrame::BuildDisplayList(nsDisplayListBuilder*   aBuilder,
-                                           const nsRect&           aDirtyRect,
                                            const nsDisplayListSet& aLists)
 {
   // Clip to our border area for event hit testing.
@@ -132,7 +131,7 @@ nsHTMLButtonControlFrame::BuildDisplayList(nsDisplayListBuilder*   aBuilder,
       clipState.ClipContainingBlockDescendants(rect, hasRadii ? radii : nullptr);
     }
 
-    BuildDisplayListForChild(aBuilder, mFrames.FirstChild(), aDirtyRect, set,
+    BuildDisplayListForChild(aBuilder, mFrames.FirstChild(), set,
                              DISPLAY_CHILD_FORCE_PSEUDO_STACKING_CONTEXT);
     // That should put the display items in set.Content()
   }
diff --git a/layout/forms/nsHTMLButtonControlFrame.h b/layout/forms/nsHTMLButtonControlFrame.h
index 432afa12c0..8837daf74b 100644
--- a/layout/forms/nsHTMLButtonControlFrame.h
+++ b/layout/forms/nsHTMLButtonControlFrame.h
@@ -27,7 +27,6 @@ public:
   NS_DECL_FRAMEARENA_HELPERS
 
   virtual void BuildDisplayList(nsDisplayListBuilder*   aBuilder,
-                                const nsRect&           aDirtyRect,
                                 const nsDisplayListSet& aLists) override;
 
   virtual nscoord GetMinISize(nsRenderingContext *aRenderingContext) override;
diff --git a/layout/forms/nsListControlFrame.cpp b/layout/forms/nsListControlFrame.cpp
index 58e81039f8..2233c59963 100644
--- a/layout/forms/nsListControlFrame.cpp
+++ b/layout/forms/nsListControlFrame.cpp
@@ -155,7 +155,6 @@ nsListControlFrame::DestroyFrom(nsIFrame* aDestructRoot)
 
 void
 nsListControlFrame::BuildDisplayList(nsDisplayListBuilder*   aBuilder,
-                                     const nsRect&           aDirtyRect,
                                      const nsDisplayListSet& aLists)
 {
   // We allow visibility:hidden <select>s to contain visible options.
@@ -180,7 +179,7 @@ nsListControlFrame::BuildDisplayList(nsDisplayListBuilder*   aBuilder,
         mLastDropdownBackstopColor));
   }
 
-  nsHTMLScrollFrame::BuildDisplayList(aBuilder, aDirtyRect, aLists);
+  nsHTMLScrollFrame::BuildDisplayList(aBuilder, aLists);
 }
 
 /**
diff --git a/layout/forms/nsListControlFrame.h b/layout/forms/nsListControlFrame.h
index 47f033a9bf..d8df9ebd67 100644
--- a/layout/forms/nsListControlFrame.h
+++ b/layout/forms/nsListControlFrame.h
@@ -81,7 +81,6 @@ public:
   virtual void DestroyFrom(nsIFrame* aDestructRoot) override;
 
   virtual void BuildDisplayList(nsDisplayListBuilder*   aBuilder,
-                                const nsRect&           aDirtyRect,
                                 const nsDisplayListSet& aLists) override;
 
   virtual nsContainerFrame* GetContentInsertionFrame() override;
diff --git a/layout/forms/nsProgressFrame.cpp b/layout/forms/nsProgressFrame.cpp
index 6d6db7a1fd..60c7abe42c 100644
--- a/layout/forms/nsProgressFrame.cpp
+++ b/layout/forms/nsProgressFrame.cpp
@@ -98,10 +98,9 @@ NS_QUERYFRAME_TAIL_INHERITING(nsContainerFrame)
 
 void
 nsProgressFrame::BuildDisplayList(nsDisplayListBuilder*   aBuilder,
-                                  const nsRect&           aDirtyRect,
                                   const nsDisplayListSet& aLists)
 {
-  BuildDisplayListForInline(aBuilder, aDirtyRect, aLists);
+  BuildDisplayListForInline(aBuilder, aLists);
 }
 
 void
diff --git a/layout/forms/nsProgressFrame.h b/layout/forms/nsProgressFrame.h
index 01465ff7c9..9cc72612f5 100644
--- a/layout/forms/nsProgressFrame.h
+++ b/layout/forms/nsProgressFrame.h
@@ -32,7 +32,6 @@ public:
   virtual void DestroyFrom(nsIFrame* aDestructRoot) override;
 
   virtual void BuildDisplayList(nsDisplayListBuilder*   aBuilder,
-                                const nsRect&           aDirtyRect,
                                 const nsDisplayListSet& aLists) override;
 
   virtual void Reflow(nsPresContext*           aCX,
diff --git a/layout/forms/nsRangeFrame.cpp b/layout/forms/nsRangeFrame.cpp
index 99faa6043b..f1755e69fa 100644
--- a/layout/forms/nsRangeFrame.cpp
+++ b/layout/forms/nsRangeFrame.cpp
@@ -255,7 +255,6 @@ nsDisplayRangeFocusRing::Paint(nsDisplayListBuilder* aBuilder,
 
 void
 nsRangeFrame::BuildDisplayList(nsDisplayListBuilder*   aBuilder,
-                               const nsRect&           aDirtyRect,
                                const nsDisplayListSet& aLists)
 {
   if (IsThemed()) {
@@ -270,10 +269,10 @@ nsRangeFrame::BuildDisplayList(nsDisplayListBuilder*   aBuilder,
     nsIFrame* thumb = mThumbDiv->GetPrimaryFrame();
     if (thumb) {
       nsDisplayListSet set(aLists, aLists.Content());
-      BuildDisplayListForChild(aBuilder, thumb, aDirtyRect, set, DISPLAY_CHILD_INLINE);
+      BuildDisplayListForChild(aBuilder, thumb, set, DISPLAY_CHILD_INLINE);
     }
   } else {
-    BuildDisplayListForInline(aBuilder, aDirtyRect, aLists);
+    BuildDisplayListForInline(aBuilder, aLists);
   }
 
   // Draw a focus outline if appropriate:
diff --git a/layout/forms/nsRangeFrame.h b/layout/forms/nsRangeFrame.h
index 8a2d34a40e..b913b30021 100644
--- a/layout/forms/nsRangeFrame.h
+++ b/layout/forms/nsRangeFrame.h
@@ -43,7 +43,6 @@ public:
   virtual void DestroyFrom(nsIFrame* aDestructRoot) override;
 
   void BuildDisplayList(nsDisplayListBuilder*   aBuilder,
-                        const nsRect&           aDirtyRect,
                         const nsDisplayListSet& aLists) override;
 
   virtual void Reflow(nsPresContext*           aPresContext,
diff --git a/layout/forms/nsSelectsAreaFrame.cpp b/layout/forms/nsSelectsAreaFrame.cpp
index dd613ae9fd..0177b9e771 100644
--- a/layout/forms/nsSelectsAreaFrame.cpp
+++ b/layout/forms/nsSelectsAreaFrame.cpp
@@ -126,16 +126,15 @@ public:
 
 void
 nsSelectsAreaFrame::BuildDisplayList(nsDisplayListBuilder*   aBuilder,
-                                     const nsRect&           aDirtyRect,
                                      const nsDisplayListSet& aLists)
 {
   if (!aBuilder->IsForEventDelivery()) {
-    BuildDisplayListInternal(aBuilder, aDirtyRect, aLists);
+    BuildDisplayListInternal(aBuilder, aLists);
     return;
   }
 
   nsDisplayListCollection set;
-  BuildDisplayListInternal(aBuilder, aDirtyRect, set);
+  BuildDisplayListInternal(aBuilder, set);
   
   nsOptionEventGrabberWrapper wrapper;
   wrapper.WrapLists(aBuilder, this, set, aLists);
@@ -143,10 +142,9 @@ nsSelectsAreaFrame::BuildDisplayList(nsDisplayListBuilder*   aBuilder,
 
 void
 nsSelectsAreaFrame::BuildDisplayListInternal(nsDisplayListBuilder*   aBuilder,
-                                             const nsRect&           aDirtyRect,
                                              const nsDisplayListSet& aLists)
 {
-  nsBlockFrame::BuildDisplayList(aBuilder, aDirtyRect, aLists);
+  nsBlockFrame::BuildDisplayList(aBuilder, aLists);
 
   nsListControlFrame* listFrame = GetEnclosingListFrame(this);
   if (listFrame && listFrame->IsFocused()) {
diff --git a/layout/forms/nsSelectsAreaFrame.h b/layout/forms/nsSelectsAreaFrame.h
index 3aac8a837d..9b0a5b7235 100644
--- a/layout/forms/nsSelectsAreaFrame.h
+++ b/layout/forms/nsSelectsAreaFrame.h
@@ -18,11 +18,9 @@ public:
                                                   nsFrameState aFlags);
 
   virtual void BuildDisplayList(nsDisplayListBuilder*   aBuilder,
-                                const nsRect&           aDirtyRect,
                                 const nsDisplayListSet& aLists) override;
 
   void BuildDisplayListInternal(nsDisplayListBuilder*   aBuilder,
-                                const nsRect&           aDirtyRect,
                                 const nsDisplayListSet& aLists);
 
   virtual void Reflow(nsPresContext*           aCX,
diff --git a/layout/forms/nsTextControlFrame.cpp b/layout/forms/nsTextControlFrame.cpp
index 465ef0883d..7e610f9313 100644
--- a/layout/forms/nsTextControlFrame.cpp
+++ b/layout/forms/nsTextControlFrame.cpp
@@ -1419,7 +1419,6 @@ nsTextControlFrame::PeekOffset(nsPeekOffsetStruct *aPos)
 
 void
 nsTextControlFrame::BuildDisplayList(nsDisplayListBuilder*   aBuilder,
-                                     const nsRect&           aDirtyRect,
                                      const nsDisplayListSet& aLists)
 {
   /*
@@ -1447,7 +1446,7 @@ nsTextControlFrame::BuildDisplayList(nsDisplayListBuilder*   aBuilder,
     // placeholder has to be visible.
     if (kid->GetContent() != txtCtrl->GetPlaceholderNode() ||
         txtCtrl->GetPlaceholderVisibility()) {
-      BuildDisplayListForChild(aBuilder, kid, aDirtyRect, set, 0);
+      BuildDisplayListForChild(aBuilder, kid, set, 0);
     }
     kid = kid->GetNextSibling();
   }
diff --git a/layout/forms/nsTextControlFrame.h b/layout/forms/nsTextControlFrame.h
index 7fa39c5fb9..620cc92b98 100644
--- a/layout/forms/nsTextControlFrame.h
+++ b/layout/forms/nsTextControlFrame.h
@@ -127,7 +127,6 @@ public:
                                    nsFrameList&    aChildList) override;
 
   virtual void BuildDisplayList(nsDisplayListBuilder*   aBuilder,
-                                const nsRect&           aDirtyRect,
                                 const nsDisplayListSet& aLists) override;
 
   virtual mozilla::dom::Element*
diff --git a/layout/generic/nsBackdropFrame.cpp b/layout/generic/nsBackdropFrame.cpp
index 687c5b2e36..ae847f460c 100644
--- a/layout/generic/nsBackdropFrame.cpp
+++ b/layout/generic/nsBackdropFrame.cpp
@@ -39,7 +39,6 @@ nsBackdropFrame::GetParentStyleContext(nsIFrame** aProviderFrame) const
 
 /* virtual */ void
 nsBackdropFrame::BuildDisplayList(nsDisplayListBuilder* aBuilder,
-                                  const nsRect& aDirtyRect,
                                   const nsDisplayListSet& aLists)
 {
   DO_GLOBAL_REFLOW_COUNT_DSP("nsBackdropFrame");
diff --git a/layout/generic/nsBackdropFrame.h b/layout/generic/nsBackdropFrame.h
index 74d366befe..f3159da31a 100644
--- a/layout/generic/nsBackdropFrame.h
+++ b/layout/generic/nsBackdropFrame.h
@@ -27,7 +27,6 @@ public:
   virtual nsStyleContext*
     GetParentStyleContext(nsIFrame** aProviderFrame) const override;
   virtual void BuildDisplayList(nsDisplayListBuilder* aBuilder,
-                                const nsRect& aDirtyRect,
                                 const nsDisplayListSet& aLists) override;
   virtual mozilla::LogicalSize
     ComputeAutoSize(nsRenderingContext*         aRenderingContext,
diff --git a/layout/generic/nsBlockFrame.cpp b/layout/generic/nsBlockFrame.cpp
index 8fec6cd6a6..df8536dcbe 100644
--- a/layout/generic/nsBlockFrame.cpp
+++ b/layout/generic/nsBlockFrame.cpp
@@ -6525,13 +6525,13 @@ static void DebugOutputDrawLine(int32_t aDepth, nsLineBox* aLine, bool aDrawn) {
 
 static void
 DisplayLine(nsDisplayListBuilder* aBuilder, const nsRect& aLineArea,
-            const nsRect& aDirtyRect, nsBlockFrame::LineIterator& aLine,
+            nsBlockFrame::LineIterator& aLine,
             int32_t aDepth, int32_t& aDrawnLines, const nsDisplayListSet& aLists,
             nsBlockFrame* aFrame, TextOverflow* aTextOverflow) {
   // If the line's combined area (which includes child frames that
   // stick outside of the line's bounding box or our bounding box)
   // intersects the dirty rect then paint the line.
-  bool intersect = aLineArea.Intersects(aDirtyRect);
+  bool intersect = aLineArea.Intersects(aBuilder->GetDirtyRect());
 #ifdef DEBUG
   if (nsBlockFrame::gLamePaintMetrics) {
     aDrawnLines++;
@@ -6566,8 +6566,7 @@ DisplayLine(nsDisplayListBuilder* aBuilder, const nsRect& aLineArea,
   nsIFrame* kid = aLine->mFirstChild;
   int32_t n = aLine->GetChildCount();
   while (--n >= 0) {
-    aFrame->BuildDisplayListForChild(aBuilder, kid, aDirtyRect,
-                                     childLists, flags);
+    aFrame->BuildDisplayListForChild(aBuilder, kid, childLists, flags);
     kid = kid->GetNextSibling();
   }
 
@@ -6580,13 +6579,13 @@ DisplayLine(nsDisplayListBuilder* aBuilder, const nsRect& aLineArea,
 
 void
 nsBlockFrame::BuildDisplayList(nsDisplayListBuilder*   aBuilder,
-                               const nsRect&           aDirtyRect,
                                const nsDisplayListSet& aLists)
 {
   int32_t drawnLines; // Will only be used if set (gLamePaintMetrics).
   int32_t depth = 0;
 #ifdef DEBUG
   if (gNoisyDamageRepair) {
+      nsRect dirty = aBuilder->GetDirtyRect();
       depth = GetDepth();
       nsRect ca;
       ::ComputeVisualOverflowArea(mLines, mRect.width, mRect.height, ca);
@@ -6594,7 +6593,7 @@ nsBlockFrame::BuildDisplayList(nsDisplayListBuilder*   aBuilder,
       ListTag(stdout);
       printf(": bounds=%d,%d,%d,%d dirty(absolute)=%d,%d,%d,%d ca=%d,%d,%d,%d\n",
              mRect.x, mRect.y, mRect.width, mRect.height,
-             aDirtyRect.x, aDirtyRect.y, aDirtyRect.width, aDirtyRect.height,
+             dirty.x, dirty.y, dirty.width, dirty.height,
              ca.x, ca.y, ca.width, ca.height);
   }
   PRTime start = 0; // Initialize these variables to silence the compiler.
@@ -6607,14 +6606,14 @@ nsBlockFrame::BuildDisplayList(nsDisplayListBuilder*   aBuilder,
   DisplayBorderBackgroundOutline(aBuilder, aLists);
 
   if (GetPrevInFlow()) {
-    DisplayOverflowContainers(aBuilder, aDirtyRect, aLists);
+    DisplayOverflowContainers(aBuilder, aLists);
     for (nsIFrame* f : mFloats) {
       if (f->GetStateBits() & NS_FRAME_IS_PUSHED_FLOAT)
-         BuildDisplayListForChild(aBuilder, f, aDirtyRect, aLists);
+         BuildDisplayListForChild(aBuilder, f, aLists);
     }
   }
 
-  aBuilder->MarkFramesForDisplayList(this, mFloats, aDirtyRect);
+  aBuilder->MarkFramesForDisplayList(this, mFloats);
 
   // Prepare for text-overflow processing.
   UniquePtr<TextOverflow> textOverflow(
@@ -6631,7 +6630,7 @@ nsBlockFrame::BuildDisplayList(nsDisplayListBuilder*   aBuilder,
   // approximate it by checking it on |this|; if it's true for any
   // frame in our child list, it's also true for |this|.
   nsLineBox* cursor = aBuilder->ShouldDescendIntoFrame(this) ?
-    nullptr : GetFirstLineContaining(aDirtyRect.y);
+    nullptr : GetFirstLineContaining(aBuilder->GetDirtyRect().y);
   LineIterator line_end = LinesEnd();
 
   if (cursor) {
@@ -6642,10 +6641,10 @@ nsBlockFrame::BuildDisplayList(nsDisplayListBuilder*   aBuilder,
       if (!lineArea.IsEmpty()) {
         // Because we have a cursor, the combinedArea.ys are non-decreasing.
         // Once we've passed aDirtyRect.YMost(), we can never see it again.
-        if (lineArea.y >= aDirtyRect.YMost()) {
+        if (lineArea.y >= aBuilder->GetDirtyRect().YMost()) {
           break;
         }
-        DisplayLine(aBuilder, lineArea, aDirtyRect, line, depth, drawnLines,
+        DisplayLine(aBuilder, lineArea, line, depth, drawnLines,
                     linesDisplayListCollection, this, textOverflow.get());
       }
     }
@@ -6658,7 +6657,7 @@ nsBlockFrame::BuildDisplayList(nsDisplayListBuilder*   aBuilder,
          line != line_end;
          ++line) {
       nsRect lineArea = line->GetVisualOverflowArea();
-      DisplayLine(aBuilder, lineArea, aDirtyRect, line, depth, drawnLines,
+      DisplayLine(aBuilder, lineArea, line, depth, drawnLines,
                   linesDisplayListCollection, this, textOverflow.get());
       if (!lineArea.IsEmpty()) {
         if (lineArea.y < lastY
@@ -6688,7 +6687,7 @@ nsBlockFrame::BuildDisplayList(nsDisplayListBuilder*   aBuilder,
   if (HasOutsideBullet()) {
     // Display outside bullets manually
     nsIFrame* bullet = GetOutsideBullet();
-    BuildDisplayListForChild(aBuilder, bullet, aDirtyRect, aLists);
+    BuildDisplayListForChild(aBuilder, bullet, aLists);
   }
 
 #ifdef DEBUG
diff --git a/layout/generic/nsBlockFrame.h b/layout/generic/nsBlockFrame.h
index f515cc26f3..4775fa6264 100644
--- a/layout/generic/nsBlockFrame.h
+++ b/layout/generic/nsBlockFrame.h
@@ -139,7 +139,6 @@ public:
   virtual nsSplittableType GetSplittableType() const override;
   virtual bool IsFloatContainingBlock() const override;
   virtual void BuildDisplayList(nsDisplayListBuilder* aBuilder,
-                                const nsRect& aDirtyRect,
                                 const nsDisplayListSet& aLists) override;
   virtual nsIAtom* GetType() const override;
   virtual bool IsFrameOfType(uint32_t aFlags) const override
diff --git a/layout/generic/nsBulletFrame.cpp b/layout/generic/nsBulletFrame.cpp
index f6595e8f6d..db9a70aff6 100644
--- a/layout/generic/nsBulletFrame.cpp
+++ b/layout/generic/nsBulletFrame.cpp
@@ -274,7 +274,6 @@ void nsDisplayBullet::Paint(nsDisplayListBuilder* aBuilder,
 
 void
 nsBulletFrame::BuildDisplayList(nsDisplayListBuilder*   aBuilder,
-                                const nsRect&           aDirtyRect,
                                 const nsDisplayListSet& aLists)
 {
   if (!IsVisibleForPainting(aBuilder))
diff --git a/layout/generic/nsBulletFrame.h b/layout/generic/nsBulletFrame.h
index e35ed09237..30f4e23cd4 100644
--- a/layout/generic/nsBulletFrame.h
+++ b/layout/generic/nsBulletFrame.h
@@ -68,7 +68,6 @@ public:
   // nsIFrame
   virtual void DestroyFrom(nsIFrame* aDestructRoot) override;
   virtual void BuildDisplayList(nsDisplayListBuilder*   aBuilder,
-                                const nsRect&           aDirtyRect,
                                 const nsDisplayListSet& aLists) override;
   virtual nsIAtom* GetType() const override;
   virtual void DidSetStyleContext(nsStyleContext* aOldStyleContext) override;
diff --git a/layout/generic/nsCanvasFrame.cpp b/layout/generic/nsCanvasFrame.cpp
index 1a8812fb75..31baa040c1 100644
--- a/layout/generic/nsCanvasFrame.cpp
+++ b/layout/generic/nsCanvasFrame.cpp
@@ -410,11 +410,10 @@ public:
 
 void
 nsCanvasFrame::BuildDisplayList(nsDisplayListBuilder*   aBuilder,
-                                const nsRect&           aDirtyRect,
                                 const nsDisplayListSet& aLists)
 {
   if (GetPrevInFlow()) {
-    DisplayOverflowContainers(aBuilder, aDirtyRect, aLists);
+    DisplayOverflowContainers(aBuilder, aLists);
   }
 
   // Force a background to be shown. We may have a background propagated to us,
@@ -488,7 +487,7 @@ nsCanvasFrame::BuildDisplayList(nsDisplayListBuilder*   aBuilder,
 
   for (nsIFrame* kid : PrincipalChildList()) {
     // Put our child into its own pseudo-stack.
-    BuildDisplayListForChild(aBuilder, kid, aDirtyRect, aLists);
+    BuildDisplayListForChild(aBuilder, kid, aLists);
   }
 
 #ifdef DEBUG_CANVAS_FOCUS
@@ -504,7 +503,7 @@ nsCanvasFrame::BuildDisplayList(nsDisplayListBuilder*   aBuilder,
     docShell->GetHasFocus(&hasFocus);
     printf("%p - nsCanvasFrame::Paint R:%d,%d,%d,%d  DR: %d,%d,%d,%d\n", this, 
             mRect.x, mRect.y, mRect.width, mRect.height,
-            aDirtyRect.x, aDirtyRect.y, aDirtyRect.width, aDirtyRect.height);
+            dirty.x, dirty.y, dirty.width, dirty.height);
   }
   printf("%p - Focus: %s   c: %p  DoPaint:%s\n", docShell.get(), hasFocus?"Y":"N", 
          focusContent.get(), mDoPaintFocus?"Y":"N");
diff --git a/layout/generic/nsCanvasFrame.h b/layout/generic/nsCanvasFrame.h
index 8bd9dbf79e..8c59f18c0a 100644
--- a/layout/generic/nsCanvasFrame.h
+++ b/layout/generic/nsCanvasFrame.h
@@ -107,7 +107,6 @@ public:
   NS_IMETHOD SetHasFocus(bool aHasFocus);
 
   virtual void BuildDisplayList(nsDisplayListBuilder*   aBuilder,
-                                const nsRect&           aDirtyRect,
                                 const nsDisplayListSet& aLists) override;
 
   void PaintFocus(mozilla::gfx::DrawTarget* aRenderingContext, nsPoint aPt);
diff --git a/layout/generic/nsColumnSetFrame.cpp b/layout/generic/nsColumnSetFrame.cpp
index 6ea15d4d2f..90d425ccf4 100644
--- a/layout/generic/nsColumnSetFrame.cpp
+++ b/layout/generic/nsColumnSetFrame.cpp
@@ -1115,7 +1115,6 @@ nsColumnSetFrame::Reflow(nsPresContext*           aPresContext,
 
 void
 nsColumnSetFrame::BuildDisplayList(nsDisplayListBuilder*   aBuilder,
-                                   const nsRect&           aDirtyRect,
                                    const nsDisplayListSet& aLists)
 {
   DisplayBorderBackgroundOutline(aBuilder, aLists);
@@ -1128,7 +1127,7 @@ nsColumnSetFrame::BuildDisplayList(nsDisplayListBuilder*   aBuilder,
 
   // Our children won't have backgrounds so it doesn't matter where we put them.
   for (nsFrameList::Enumerator e(mFrames); !e.AtEnd(); e.Next()) {
-    BuildDisplayListForChild(aBuilder, e.get(), aDirtyRect, aLists);
+    BuildDisplayListForChild(aBuilder, e.get(), aLists);
   }
 }
 
diff --git a/layout/generic/nsColumnSetFrame.h b/layout/generic/nsColumnSetFrame.h
index db44183d62..4195742c26 100644
--- a/layout/generic/nsColumnSetFrame.h
+++ b/layout/generic/nsColumnSetFrame.h
@@ -67,7 +67,6 @@ public:
    }
 
   virtual void BuildDisplayList(nsDisplayListBuilder*   aBuilder,
-                                const nsRect&           aDirtyRect,
                                 const nsDisplayListSet& aLists) override;
 
   virtual nsIAtom* GetType() const override;
diff --git a/layout/generic/nsContainerFrame.cpp b/layout/generic/nsContainerFrame.cpp
index 3ec93b7622..835ba9b262 100644
--- a/layout/generic/nsContainerFrame.cpp
+++ b/layout/generic/nsContainerFrame.cpp
@@ -331,17 +331,15 @@ nsContainerFrame::GetChildLists(nsTArray<ChildList>* aLists) const
 
 void
 nsContainerFrame::BuildDisplayList(nsDisplayListBuilder*   aBuilder,
-                                   const nsRect&           aDirtyRect,
                                    const nsDisplayListSet& aLists)
 {
   DisplayBorderBackgroundOutline(aBuilder, aLists);
 
-  BuildDisplayListForNonBlockChildren(aBuilder, aDirtyRect, aLists);
+  BuildDisplayListForNonBlockChildren(aBuilder, aLists);
 }
 
 void
 nsContainerFrame::BuildDisplayListForNonBlockChildren(nsDisplayListBuilder*   aBuilder,
-                                                      const nsRect&           aDirtyRect,
                                                       const nsDisplayListSet& aLists,
                                                       uint32_t                aFlags)
 {
@@ -350,7 +348,7 @@ nsContainerFrame::BuildDisplayListForNonBlockChildren(nsDisplayListBuilder*   aB
   nsDisplayListSet set(aLists, aLists.Content());
   // The children should be in content order
   while (kid) {
-    BuildDisplayListForChild(aBuilder, kid, aDirtyRect, set, aFlags);
+    BuildDisplayListForChild(aBuilder, kid, set, aFlags);
     kid = kid->GetNextSibling();
   }
 }
@@ -1340,13 +1338,12 @@ nsContainerFrame::ReflowOverflowContainerChildren(nsPresContext*           aPres
 
 void
 nsContainerFrame::DisplayOverflowContainers(nsDisplayListBuilder*   aBuilder,
-                                            const nsRect&           aDirtyRect,
                                             const nsDisplayListSet& aLists)
 {
   nsFrameList* overflowconts = GetPropTableFrames(OverflowContainersProperty());
   if (overflowconts) {
     for (nsIFrame* frame : *overflowconts) {
-      BuildDisplayListForChild(aBuilder, frame, aDirtyRect, aLists);
+      BuildDisplayListForChild(aBuilder, frame, aLists);
     }
   }
 }
diff --git a/layout/generic/nsContainerFrame.h b/layout/generic/nsContainerFrame.h
index ddf993d91c..e3cc54b0b0 100644
--- a/layout/generic/nsContainerFrame.h
+++ b/layout/generic/nsContainerFrame.h
@@ -437,7 +437,6 @@ public:
    * Add overflow containers to the display list
    */
   void DisplayOverflowContainers(nsDisplayListBuilder*   aBuilder,
-                                 const nsRect&           aDirtyRect,
                                  const nsDisplayListSet& aLists);
 
   /**
@@ -450,7 +449,6 @@ public:
    * to emulate what nsContainerFrame::Paint did.
    */
   virtual void BuildDisplayList(nsDisplayListBuilder*   aBuilder,
-                                const nsRect&           aDirtyRect,
                                 const nsDisplayListSet& aLists) override;
 
   static void PlaceFrameView(nsIFrame* aFrame)
@@ -576,7 +574,6 @@ protected:
    * display items) go into the Content() list.
    */
   void BuildDisplayListForNonBlockChildren(nsDisplayListBuilder*   aBuilder,
-                                           const nsRect&           aDirtyRect,
                                            const nsDisplayListSet& aLists,
                                            uint32_t                aFlags = 0);
 
@@ -585,11 +582,9 @@ protected:
    * Intended as a convenience for derived classes.
    */
   void BuildDisplayListForInline(nsDisplayListBuilder*   aBuilder,
-                                 const nsRect&           aDirtyRect,
                                  const nsDisplayListSet& aLists) {
     DisplayBorderBackgroundOutline(aBuilder, aLists);
-    BuildDisplayListForNonBlockChildren(aBuilder, aDirtyRect, aLists,
-                                        DISPLAY_CHILD_INLINE);
+    BuildDisplayListForNonBlockChildren(aBuilder, aLists, DISPLAY_CHILD_INLINE);
   }
 
 
diff --git a/layout/generic/nsFirstLetterFrame.cpp b/layout/generic/nsFirstLetterFrame.cpp
index 5f561c7593..a038c48694 100644
--- a/layout/generic/nsFirstLetterFrame.cpp
+++ b/layout/generic/nsFirstLetterFrame.cpp
@@ -50,10 +50,9 @@ nsFirstLetterFrame::GetType() const
 
 void
 nsFirstLetterFrame::BuildDisplayList(nsDisplayListBuilder*   aBuilder,
-                                     const nsRect&           aDirtyRect,
                                      const nsDisplayListSet& aLists)
 {
-  BuildDisplayListForInline(aBuilder, aDirtyRect, aLists);
+  BuildDisplayListForInline(aBuilder, aLists);
 }
 
 void
diff --git a/layout/generic/nsFirstLetterFrame.h b/layout/generic/nsFirstLetterFrame.h
index 40e4ef0cf4..c8d416a850 100644
--- a/layout/generic/nsFirstLetterFrame.h
+++ b/layout/generic/nsFirstLetterFrame.h
@@ -20,7 +20,6 @@ public:
   explicit nsFirstLetterFrame(nsStyleContext* aContext) : nsContainerFrame(aContext) {}
 
   virtual void BuildDisplayList(nsDisplayListBuilder*   aBuilder,
-                                const nsRect&           aDirtyRect,
                                 const nsDisplayListSet& aLists) override;
 
   virtual void Init(nsIContent*       aContent,
diff --git a/layout/generic/nsFlexContainerFrame.cpp b/layout/generic/nsFlexContainerFrame.cpp
index 94bce1e7ac..69200117b0 100644
--- a/layout/generic/nsFlexContainerFrame.cpp
+++ b/layout/generic/nsFlexContainerFrame.cpp
@@ -2433,7 +2433,6 @@ GetDisplayFlagsForFlexItem(nsIFrame* aFrame)
 
 void
 nsFlexContainerFrame::BuildDisplayList(nsDisplayListBuilder*   aBuilder,
-                                       const nsRect&           aDirtyRect,
                                        const nsDisplayListSet& aLists)
 {
   // XXXdholbert hacky temporary band-aid for bug 1059138: Trivially pass this
@@ -2452,7 +2451,7 @@ nsFlexContainerFrame::BuildDisplayList(nsDisplayListBuilder*   aBuilder,
   // the BlockBorderBackgrounds list.
   nsDisplayListSet childLists(aLists, aLists.BlockBorderBackgrounds());
   for (nsIFrame* childFrame : mFrames) {
-    BuildDisplayListForChild(aBuilder, childFrame, aDirtyRect, childLists,
+    BuildDisplayListForChild(aBuilder, childFrame, childLists,
                              GetDisplayFlagsForFlexItem(childFrame));
   }
 }
diff --git a/layout/generic/nsFlexContainerFrame.h b/layout/generic/nsFlexContainerFrame.h
index 459ae8e20f..ac2cc72f68 100644
--- a/layout/generic/nsFlexContainerFrame.h
+++ b/layout/generic/nsFlexContainerFrame.h
@@ -64,7 +64,6 @@ public:
             nsIFrame*         aPrevInFlow) override;
 
   virtual void BuildDisplayList(nsDisplayListBuilder*   aBuilder,
-                                const nsRect&           aDirtyRect,
                                 const nsDisplayListSet& aLists) override;
 
   void MarkIntrinsicISizesDirty() override;
diff --git a/layout/generic/nsFrame.cpp b/layout/generic/nsFrame.cpp
index 024cc39bda..66f655f653 100644
--- a/layout/generic/nsFrame.cpp
+++ b/layout/generic/nsFrame.cpp
@@ -1813,7 +1813,7 @@ nsFrame::DisplayOutline(nsDisplayListBuilder*   aBuilder,
 
 void
 nsIFrame::DisplayCaret(nsDisplayListBuilder* aBuilder,
-                       const nsRect& aDirtyRect, nsDisplayList* aList)
+                       nsDisplayList* aList)
 {
   if (!IsVisibleForPainting(aBuilder))
     return;
@@ -2072,13 +2072,12 @@ ItemParticipatesIn3DContext(nsIFrame* aAncestor, nsDisplayItem* aItem)
 
 static void
 WrapSeparatorTransform(nsDisplayListBuilder* aBuilder, nsIFrame* aFrame,
-                       nsRect& aDirtyRect,
                        nsDisplayList* aSource, nsDisplayList* aTarget,
                        int aIndex) {
   if (!aSource->IsEmpty()) {
     nsDisplayTransform *sepIdItem =
       new (aBuilder) nsDisplayTransform(aBuilder, aFrame, aSource,
-                                        aDirtyRect, Matrix4x4(), aIndex);
+                                        aBuilder->GetDirtyRect(), Matrix4x4(), aIndex);
     sepIdItem->SetNoExtendContext();
     aTarget->AppendToTop(sepIdItem);
   }
@@ -2086,7 +2085,6 @@ WrapSeparatorTransform(nsDisplayListBuilder* aBuilder, nsIFrame* aFrame,
 
 void
 nsIFrame::BuildDisplayListForStackingContext(nsDisplayListBuilder* aBuilder,
-                                             const nsRect&         aDirtyRect,
                                              nsDisplayList*        aList) {
   if (GetStateBits() & NS_FRAME_TOO_DEEP_IN_FRAME_TREE)
     return;
@@ -2130,13 +2128,13 @@ nsIFrame::BuildDisplayListForStackingContext(nsDisplayListBuilder* aBuilder,
     autoPreserves3DContext.emplace(aBuilder);
     // Save dirty rect on the builder to avoid being distorted for
     // multiple transforms along the chain.
-    aBuilder->SetPreserves3DDirtyRect(aDirtyRect);
+    aBuilder->SavePreserves3DRects();
   }
 
   // For preserves3d, use the dirty rect already installed on the
   // builder, since aDirtyRect maybe distorted for transforms along
   // the chain.
-  nsRect dirtyRect = aDirtyRect;
+  nsRect dirtyRect = aBuilder->GetDirtyRect();
 
   bool inTransform = aBuilder->IsInTransform();
   bool isTransformed = IsTransformed();
@@ -2161,7 +2159,7 @@ nsIFrame::BuildDisplayListForStackingContext(nsDisplayListBuilder* aBuilder,
       // If we're in preserve-3d then grab the dirty rect that was given to the root
       // and transform using the combined transform.
       if (Combines3DTransformWithAncestors()) {
-        dirtyRect = aBuilder->GetPreserves3DDirtyRect(this);
+        dirtyRect = aBuilder->GetPreserves3DRects();
       }
 
       nsRect untransformedDirtyRect;
@@ -2281,7 +2279,7 @@ nsIFrame::BuildDisplayListForStackingContext(nsDisplayListBuilder* aBuilder,
 
     Maybe<nsRect> clipPropClip = GetClipPropClipRect(disp, effects, GetSize());
     if (clipPropClip) {
-      dirtyRect.IntersectRect(dirtyRect, *clipPropClip);
+      aBuilder->IntersectDirtyRect(*clipPropClip);
       nestedClipState.ClipContentDescendants(
         *clipPropClip + aBuilder->ToReferenceFrame(this));
     }
@@ -2294,7 +2292,7 @@ nsIFrame::BuildDisplayListForStackingContext(nsDisplayListBuilder* aBuilder,
       aBuilder->MarkPreserve3DFramesForDisplayList(this);
     }
 
-    MarkAbsoluteFramesForDisplayList(aBuilder, dirtyRect);
+    MarkAbsoluteFramesForDisplayList(aBuilder);
 
     nsDisplayLayerEventRegions* eventRegions = nullptr;
     if (aBuilder->IsBuildingLayerEventRegions()) {
@@ -2303,7 +2301,7 @@ nsIFrame::BuildDisplayListForStackingContext(nsDisplayListBuilder* aBuilder,
       aBuilder->SetLayerEventRegions(eventRegions);
     }
     aBuilder->AdjustWindowDraggingRegion(this);
-    BuildDisplayList(aBuilder, dirtyRect, set);
+    BuildDisplayList(aBuilder, set);
     if (eventRegions) {
       // If the event regions item ended up empty, throw it away rather than
       // adding it to the display list.
@@ -2409,7 +2407,7 @@ nsIFrame::BuildDisplayListForStackingContext(nsDisplayListBuilder* aBuilder,
       clipState.ExitStackingContextContents(&containerItemScrollClip);
     }
     // Revert to the post-filter dirty rect.
-    buildingDisplayList.SetDirtyRect(dirtyRectOutsideSVGEffects);
+    aBuilder->SetDirtyRect(dirtyRectOutsideSVGEffects);
 
     // Skip all filter effects while generating glyph mask.
     if (usingFilter && !aBuilder->IsForGenerateGlyphMask()) {
@@ -2474,8 +2472,7 @@ nsIFrame::BuildDisplayListForStackingContext(nsDisplayListBuilder* aBuilder,
     while (nsDisplayItem* item = resultList.RemoveBottom()) {
       if (ItemParticipatesIn3DContext(this, item) && !item->GetClip().HasClip()) {
         // The frame of this item participates the same 3D context.
-        WrapSeparatorTransform(aBuilder, this, dirtyRect,
-                               &nonparticipants, &participants, index++);
+        WrapSeparatorTransform(aBuilder, this, &nonparticipants, &participants, index++);
         participants.AppendToTop(item);
       } else {
         // The frame of the item doesn't participate the current
@@ -2488,8 +2485,7 @@ nsIFrame::BuildDisplayListForStackingContext(nsDisplayListBuilder* aBuilder,
         nonparticipants.AppendToTop(item);
       }
     }
-    WrapSeparatorTransform(aBuilder, this, dirtyRect,
-                           &nonparticipants, &participants, index++);
+    WrapSeparatorTransform(aBuilder, this, &nonparticipants, &participants, index++);
     resultList.AppendToTop(&participants);
   }
 
@@ -2500,7 +2496,7 @@ nsIFrame::BuildDisplayListForStackingContext(nsDisplayListBuilder* aBuilder,
     }
     // Revert to the dirtyrect coming in from the parent, without our transform
     // taken into account.
-    buildingDisplayList.SetDirtyRect(dirtyRectOutsideTransform);
+    aBuilder->SetDirtyRect(dirtyRectOutsideTransform);
     // Revert to the outer reference frame and offset because all display
     // items we create from now on are outside the transform.
     nsPoint toOuterReferenceFrame;
@@ -2604,7 +2600,6 @@ WrapInWrapList(nsDisplayListBuilder* aBuilder,
 void
 nsIFrame::BuildDisplayListForChild(nsDisplayListBuilder*   aBuilder,
                                    nsIFrame*               aChild,
-                                   const nsRect&           aDirtyRect,
                                    const nsDisplayListSet& aLists,
                                    uint32_t                aFlags) {
   // If painting is restricted to just the background of the top level frame,
@@ -2637,12 +2632,15 @@ nsIFrame::BuildDisplayListForChild(nsDisplayListBuilder*   aBuilder,
     pseudoStackingContext = true;
   }
 
-  // dirty rect in child-relative coordinates
-  nsRect dirty = aDirtyRect - child->GetOffsetTo(this);
-
   nsIAtom* childType = child->GetType();
   nsDisplayListBuilder::OutOfFlowDisplayData* savedOutOfFlowData = nullptr;
   bool isPlaceholder = false;
+
+  // dirty rect in child-relative coordinates
+  NS_ASSERTION(aBuilder->GetCurrentFrame() == this, "Wrong coord space!");
+  nsPoint offset = child->GetOffsetTo(this);
+  nsRect dirty = aBuilder->GetDirtyRect() - offset;
+
   if (childType == nsGkAtoms::placeholderFrame) {
     isPlaceholder = true;
     nsPlaceholderFrame* placeholder = static_cast<nsPlaceholderFrame*>(child);
@@ -2710,8 +2708,9 @@ nsIFrame::BuildDisplayListForChild(nsDisplayListBuilder*   aBuilder,
         (shell->IgnoringViewportScrolling() && child == shell->GetRootScrollFrame());
     if (!keepDescending) {
       nsRect childDirty;
-      if (!childDirty.IntersectRect(dirty, child->GetVisualOverflowRect()))
+      if (!childDirty.IntersectRect(dirty, child->GetVisualOverflowRect())) {
         return;
+      }
       // Usually we could set dirty to childDirty now but there's no
       // benefit, and it can be confusing. It can especially confuse
       // situations where we're going to ignore a scrollframe's clipping;
@@ -2771,6 +2770,7 @@ nsIFrame::BuildDisplayListForChild(nsDisplayListBuilder*   aBuilder,
 
   nsDisplayListBuilder::AutoBuildingDisplayList
     buildingForChild(aBuilder, child, dirty, pseudoStackingContext);
+
   DisplayListClipState::AutoClipMultiple clipState(aBuilder);
   CheckForApzAwareEventHandlers(aBuilder, child);
 
@@ -2783,7 +2783,7 @@ nsIFrame::BuildDisplayListForChild(nsDisplayListBuilder*   aBuilder,
       savedOutOfFlowData->mContainingBlockScrollClip);
   } else if (GetStateBits() & NS_FRAME_FORCE_DISPLAY_LIST_DESCEND_INTO &&
              isPlaceholder) {
-    NS_ASSERTION(dirty.IsEmpty(), "should have empty dirty rect");
+    NS_ASSERTION(dirty.IsEmpty(), "should have empty visible rect");
     // Every item we build from now until we descent into an out of flow that
     // does have saved out of flow data should be invisible. This state gets
     // restored when AutoBuildingDisplayList gets out of scope.
@@ -2819,18 +2819,18 @@ nsIFrame::BuildDisplayListForChild(nsDisplayListBuilder*   aBuilder,
     // True stacking context.
     // For stacking contexts, BuildDisplayListForStackingContext handles
     // clipping and MarkAbsoluteFramesForDisplayList.
-    child->BuildDisplayListForStackingContext(aBuilder, dirty, &list);
-    aBuilder->DisplayCaret(child, dirty, &list);
+    child->BuildDisplayListForStackingContext(aBuilder, &list);
+    aBuilder->DisplayCaret(child, &list);
   } else {
     Maybe<nsRect> clipPropClip =
       child->GetClipPropClipRect(disp, effects, child->GetSize());
     if (clipPropClip) {
-      dirty.IntersectRect(dirty, *clipPropClip);
+      aBuilder->IntersectDirtyRect(*clipPropClip);
       clipState.ClipContentDescendants(
         *clipPropClip + aBuilder->ToReferenceFrame(child));
     }
 
-    child->MarkAbsoluteFramesForDisplayList(aBuilder, dirty);
+    child->MarkAbsoluteFramesForDisplayList(aBuilder);
 
     if (aBuilder->IsBuildingLayerEventRegions()) {
       // If this frame has a different animated geometry root than its parent,
@@ -2862,8 +2862,8 @@ nsIFrame::BuildDisplayListForChild(nsDisplayListBuilder*   aBuilder,
       // return early.
 
       aBuilder->AdjustWindowDraggingRegion(child);
-      child->BuildDisplayList(aBuilder, dirty, aLists);
-      aBuilder->DisplayCaret(child, dirty, aLists.Content());
+      child->BuildDisplayList(aBuilder, aLists);
+      aBuilder->DisplayCaret(child, aLists.Content());
 #ifdef DEBUG
       DisplayDebugBorders(aBuilder, child, aLists);
 #endif
@@ -2876,8 +2876,8 @@ nsIFrame::BuildDisplayListForChild(nsDisplayListBuilder*   aBuilder,
     // z-index:non-auto
     nsDisplayListCollection pseudoStack;
     aBuilder->AdjustWindowDraggingRegion(child);
-    child->BuildDisplayList(aBuilder, dirty, pseudoStack);
-    aBuilder->DisplayCaret(child, dirty, pseudoStack.Content());
+    child->BuildDisplayList(aBuilder, pseudoStack);
+    aBuilder->DisplayCaret(child, pseudoStack.Content());
 
     list.AppendToTop(pseudoStack.BorderBackground());
     list.AppendToTop(pseudoStack.BlockBorderBackgrounds());
@@ -2927,11 +2927,10 @@ nsIFrame::BuildDisplayListForChild(nsDisplayListBuilder*   aBuilder,
 }
 
 void
-nsIFrame::MarkAbsoluteFramesForDisplayList(nsDisplayListBuilder* aBuilder,
-                                           const nsRect& aDirtyRect)
+nsIFrame::MarkAbsoluteFramesForDisplayList(nsDisplayListBuilder* aBuilder)
 {
   if (IsAbsoluteContainer()) {
-    aBuilder->MarkFramesForDisplayList(this, GetAbsoluteContainingBlock()->GetChildList(), aDirtyRect);
+    aBuilder->MarkFramesForDisplayList(this, GetAbsoluteContainingBlock()->GetChildList());
   }
 }
 
diff --git a/layout/generic/nsFrameSetFrame.cpp b/layout/generic/nsFrameSetFrame.cpp
index 87cb31fd06..4315b9b8af 100644
--- a/layout/generic/nsFrameSetFrame.cpp
+++ b/layout/generic/nsFrameSetFrame.cpp
@@ -100,7 +100,6 @@ public:
                              nsIFrame::Cursor& aCursor) override;
 
   virtual void BuildDisplayList(nsDisplayListBuilder*   aBuilder,
-                                const nsRect&           aDirtyRect,
                                 const nsDisplayListSet& aLists) override;
 
   virtual void Reflow(nsPresContext*           aPresContext,
@@ -149,7 +148,6 @@ public:
 #endif
 
   virtual void BuildDisplayList(nsDisplayListBuilder*   aBuilder,
-                                const nsRect&           aDirtyRect,
                                 const nsDisplayListSet& aLists) override;
 
   virtual void Reflow(nsPresContext*           aPresContext,
@@ -672,10 +670,9 @@ nsHTMLFramesetFrame::GetCursor(const nsPoint&    aPoint,
 
 void
 nsHTMLFramesetFrame::BuildDisplayList(nsDisplayListBuilder*   aBuilder,
-                                      const nsRect&           aDirtyRect,
                                       const nsDisplayListSet& aLists)
 {
-  BuildDisplayListForInline(aBuilder, aDirtyRect, aLists);
+  BuildDisplayListForInline(aBuilder, aLists);
 
   if (mDragger && aBuilder->IsForEventDelivery()) {
     aLists.Content()->AppendNewToTop(
@@ -1429,7 +1426,6 @@ void nsDisplayFramesetBorder::Paint(nsDisplayListBuilder* aBuilder,
 
 void
 nsHTMLFramesetBorderFrame::BuildDisplayList(nsDisplayListBuilder*   aBuilder,
-                                            const nsRect&           aDirtyRect,
                                             const nsDisplayListSet& aLists)
 {
   aLists.Content()->AppendNewToTop(
@@ -1640,7 +1636,6 @@ void nsDisplayFramesetBlank::Paint(nsDisplayListBuilder* aBuilder,
 
 void
 nsHTMLFramesetBlankFrame::BuildDisplayList(nsDisplayListBuilder*   aBuilder,
-                                           const nsRect&           aDirtyRect,
                                            const nsDisplayListSet& aLists)
 {
   aLists.Content()->AppendNewToTop(
diff --git a/layout/generic/nsFrameSetFrame.h b/layout/generic/nsFrameSetFrame.h
index ac6ab07ce6..b97d10c586 100644
--- a/layout/generic/nsFrameSetFrame.h
+++ b/layout/generic/nsFrameSetFrame.h
@@ -97,7 +97,6 @@ public:
                              nsIFrame::Cursor& aCursor) override;
 
   virtual void BuildDisplayList(nsDisplayListBuilder*   aBuilder,
-                                const nsRect&           aDirtyRect,
                                 const nsDisplayListSet& aLists) override;
 
   virtual void Reflow(nsPresContext*           aPresContext,
diff --git a/layout/generic/nsGfxScrollFrame.cpp b/layout/generic/nsGfxScrollFrame.cpp
index 3ed3b0bb33..fea4110c0b 100644
--- a/layout/generic/nsGfxScrollFrame.cpp
+++ b/layout/generic/nsGfxScrollFrame.cpp
@@ -3031,7 +3031,6 @@ struct HoveredStateComparator
 
 void
 ScrollFrameHelper::AppendScrollPartsTo(nsDisplayListBuilder*   aBuilder,
-                                       const nsRect&           aDirtyRect,
                                        const nsDisplayListSet& aLists,
                                        bool                    aCreateLayer,
                                        bool                    aPositioned)
@@ -3093,23 +3092,25 @@ ScrollFrameHelper::AppendScrollPartsTo(nsDisplayListBuilder*   aBuilder,
     // zoomable, and where the scrollbar sizes are bounded by the widget.
     nsRect dirty = mIsRoot && mOuter->PresContext()->IsRootContentDocument()
                    ? scrollParts[i]->GetVisualOverflowRectRelativeToParent()
-                   : aDirtyRect;
-    nsDisplayListBuilder::AutoBuildingDisplayList
-      buildingForChild(aBuilder, scrollParts[i],
-                       dirty + mOuter->GetOffsetTo(scrollParts[i]), true);
+                   : aBuilder->GetDirtyRect();
 
     // Always create layers for overlay scrollbars so that we don't create a
     // giant layer covering the whole scrollport if both scrollbars are visible.
     bool isOverlayScrollbar = (flags != 0) && overlayScrollbars;
     bool createLayer = aCreateLayer || isOverlayScrollbar;
 
-    nsDisplayListBuilder::AutoCurrentScrollbarInfoSetter
-      infoSetter(aBuilder, scrollTargetId, flags, createLayer);
     nsDisplayListCollection partList;
-    mOuter->BuildDisplayListForChild(
-      aBuilder, scrollParts[i], dirty, partList,
-      nsIFrame::DISPLAY_CHILD_FORCE_STACKING_CONTEXT);
-
+    {
+      nsDisplayListBuilder::AutoBuildingDisplayList
+        buildingForChild(aBuilder, mOuter,
+                         dirty, true);
+
+      nsDisplayListBuilder::AutoCurrentScrollbarInfoSetter
+        infoSetter(aBuilder, scrollTargetId, flags, createLayer);
+      mOuter->BuildDisplayListForChild(
+        aBuilder, scrollParts[i], partList,
+        nsIFrame::DISPLAY_CHILD_FORCE_STACKING_CONTEXT);
+    }
     if (createLayer) {
       appendToTopFlags |= APPEND_OWN_LAYER;
     }
@@ -3117,11 +3118,18 @@ ScrollFrameHelper::AppendScrollPartsTo(nsDisplayListBuilder*   aBuilder,
       appendToTopFlags |= APPEND_POSITIONED;
     }
 
+    {
+     nsDisplayListBuilder::AutoBuildingDisplayList
+       buildingForChild(aBuilder, scrollParts[i],
+                        dirty + mOuter->GetOffsetTo(scrollParts[i]), true);
+     nsDisplayListBuilder::AutoCurrentScrollbarInfoSetter
+       infoSetter(aBuilder, scrollTargetId, flags, createLayer);
     // DISPLAY_CHILD_FORCE_STACKING_CONTEXT put everything into
     // partList.PositionedDescendants().
     ::AppendToTop(aBuilder, aLists,
                   partList.PositionedDescendants(), scrollParts[i],
                   appendToTopFlags);
+    }
   }
 }
 
@@ -3246,7 +3254,6 @@ ClipListsExceptCaret(nsDisplayListCollection* aLists,
 
 void
 ScrollFrameHelper::BuildDisplayList(nsDisplayListBuilder*   aBuilder,
-                                    const nsRect&           aDirtyRect,
                                     const nsDisplayListSet& aLists)
 {
   if (aBuilder->IsForFrameVisibility()) {
@@ -3283,7 +3290,7 @@ ScrollFrameHelper::BuildDisplayList(nsDisplayListBuilder*   aBuilder,
   // had dirty rects saved for them by their parent frames calling
   // MarkOutOfFlowChildrenForDisplayList, so it's safe to restrict our
   // dirty rect here.
-  nsRect dirtyRect = aDirtyRect;
+  nsRect dirtyRect = aBuilder->GetDirtyRect();
   if (!ignoringThisScrollFrame) {
     dirtyRect = dirtyRect.Intersect(mScrollPort);
   }
@@ -3325,20 +3332,20 @@ ScrollFrameHelper::BuildDisplayList(nsDisplayListBuilder*   aBuilder,
 
     if (addScrollBars) {
       // Add classic scrollbars.
-      AppendScrollPartsTo(aBuilder, aDirtyRect, aLists,
-                          createLayersForScrollbars, false);
+      AppendScrollPartsTo(aBuilder, aLists, createLayersForScrollbars, false);
     }
 
+  nsDisplayListBuilder::AutoBuildingDisplayList
+    building(aBuilder, mOuter, dirtyRect, aBuilder->IsAtRootOfPseudoStackingContext());
+
     // Don't clip the scrolled child, and don't paint scrollbars/scrollcorner.
     // The scrolled frame shouldn't have its own background/border, so we
     // can just pass aLists directly.
-    mOuter->BuildDisplayListForChild(aBuilder, mScrolledFrame,
-                                     dirtyRect, aLists);
+    mOuter->BuildDisplayListForChild(aBuilder, mScrolledFrame, aLists);
 
     if (addScrollBars) {
       // Add overlay scrollbars.
-      AppendScrollPartsTo(aBuilder, aDirtyRect, aLists,
-                          createLayersForScrollbars, true);
+      AppendScrollPartsTo(aBuilder, aLists, createLayersForScrollbars, true);
     }
 
     return;
@@ -3376,8 +3383,7 @@ ScrollFrameHelper::BuildDisplayList(nsDisplayListBuilder*   aBuilder,
   // Note that this does not apply for overlay scrollbars; those are drawn
   // in the positioned-elements layer on top of everything else by the call
   // to AppendScrollPartsTo(..., true) further down.
-  AppendScrollPartsTo(aBuilder, aDirtyRect, aLists,
-                      createLayersForScrollbars, false);
+  AppendScrollPartsTo(aBuilder, aLists, createLayersForScrollbars, false);
 
   const nsStyleDisplay* disp = mOuter->StyleDisplay();
   if (disp && (disp->mWillChangeBitField & NS_STYLE_WILL_CHANGE_SCROLL)) {
@@ -3506,7 +3512,10 @@ ScrollFrameHelper::BuildDisplayList(nsDisplayListBuilder*   aBuilder,
       scrolledRectClipState.ClipContainingBlockDescendants(
         scrolledRectClip + aBuilder->ToReferenceFrame(mOuter));
 
-      mOuter->BuildDisplayListForChild(aBuilder, mScrolledFrame, dirtyRect, scrolledContent);
+      nsDisplayListBuilder::AutoBuildingDisplayList
+      building(aBuilder, mOuter, dirtyRect, aBuilder->IsAtRootOfPseudoStackingContext());
+
+      mOuter->BuildDisplayListForChild(aBuilder, mScrolledFrame, scrolledContent);
     }
 
     if (contentBoxClipForNonCaretContent) {
@@ -3593,8 +3602,8 @@ ScrollFrameHelper::BuildDisplayList(nsDisplayListBuilder*   aBuilder,
     }
   }
   // Now display overlay scrollbars and the resizer, if we have one.
-  AppendScrollPartsTo(aBuilder, aDirtyRect, scrolledContent,
-                      createLayersForScrollbars, true);
+  AppendScrollPartsTo(aBuilder, scrolledContent, createLayersForScrollbars, true);
+
   scrolledContent.MoveTo(aLists);
 }
 
@@ -6175,3 +6184,4 @@ ScrollFrameHelper::UsesContainerScrolling() const
   }
   return false;
 }
+
diff --git a/layout/generic/nsGfxScrollFrame.h b/layout/generic/nsGfxScrollFrame.h
index 81bbb358fc..2968678563 100644
--- a/layout/generic/nsGfxScrollFrame.h
+++ b/layout/generic/nsGfxScrollFrame.h
@@ -70,11 +70,9 @@ public:
   void Destroy();
 
   void BuildDisplayList(nsDisplayListBuilder*   aBuilder,
-                        const nsRect&           aDirtyRect,
                         const nsDisplayListSet& aLists);
 
   void AppendScrollPartsTo(nsDisplayListBuilder*   aBuilder,
-                           const nsRect&           aDirtyRect,
                            const nsDisplayListSet& aLists,
                            bool                    aCreateLayer,
                            bool                    aPositioned);
@@ -687,9 +685,8 @@ public:
   }
 
   virtual void BuildDisplayList(nsDisplayListBuilder*   aBuilder,
-                                const nsRect&           aDirtyRect,
                                 const nsDisplayListSet& aLists) override {
-    mHelper.BuildDisplayList(aBuilder, aDirtyRect, aLists);
+    mHelper.BuildDisplayList(aBuilder, aLists);
   }
 
   bool TryLayout(ScrollReflowInput* aState,
@@ -1105,9 +1102,8 @@ public:
                                                 bool aClipAllDescendants);
 
   virtual void BuildDisplayList(nsDisplayListBuilder*   aBuilder,
-                                const nsRect&           aDirtyRect,
                                 const nsDisplayListSet& aLists) override {
-    mHelper.BuildDisplayList(aBuilder, aDirtyRect, aLists);
+    mHelper.BuildDisplayList(aBuilder, aLists);
   }
 
   // XXXldb Is this actually used?
diff --git a/layout/generic/nsGridContainerFrame.cpp b/layout/generic/nsGridContainerFrame.cpp
index f771c9d7c5..d7120d91ec 100644
--- a/layout/generic/nsGridContainerFrame.cpp
+++ b/layout/generic/nsGridContainerFrame.cpp
@@ -6643,12 +6643,11 @@ nsGridContainerFrame::GetType() const
 
 void
 nsGridContainerFrame::BuildDisplayList(nsDisplayListBuilder*   aBuilder,
-                                       const nsRect&           aDirtyRect,
                                        const nsDisplayListSet& aLists)
 {
   DisplayBorderBackgroundOutline(aBuilder, aLists);
   if (GetPrevInFlow()) {
-    DisplayOverflowContainers(aBuilder, aDirtyRect, aLists);
+    DisplayOverflowContainers(aBuilder, aLists);
   }
 
   // Our children are all grid-level boxes, which behave the same as
@@ -6662,8 +6661,7 @@ nsGridContainerFrame::BuildDisplayList(nsDisplayListBuilder*   aBuilder,
                                 GridItemCSSOrderIterator::eIncludeAll, order);
   for (; !iter.AtEnd(); iter.Next()) {
     nsIFrame* child = *iter;
-    BuildDisplayListForChild(aBuilder, child, aDirtyRect, aLists,
-                             ::GetDisplayFlagsForGridItem(child));
+    BuildDisplayListForChild(aBuilder, child, aLists, ::GetDisplayFlagsForGridItem(child));
   }
 }
 
diff --git a/layout/generic/nsGridContainerFrame.h b/layout/generic/nsGridContainerFrame.h
index 960558421b..c9163b95c6 100644
--- a/layout/generic/nsGridContainerFrame.h
+++ b/layout/generic/nsGridContainerFrame.h
@@ -98,7 +98,6 @@ public:
   }
 
   void BuildDisplayList(nsDisplayListBuilder*   aBuilder,
-                        const nsRect&           aDirtyRect,
                         const nsDisplayListSet& aLists) override;
 
   nscoord GetLogicalBaseline(mozilla::WritingMode aWM) const override
diff --git a/layout/generic/nsHTMLCanvasFrame.cpp b/layout/generic/nsHTMLCanvasFrame.cpp
index bad3a710f8..f86ec11369 100644
--- a/layout/generic/nsHTMLCanvasFrame.cpp
+++ b/layout/generic/nsHTMLCanvasFrame.cpp
@@ -367,7 +367,6 @@ nsHTMLCanvasFrame::BuildLayer(nsDisplayListBuilder* aBuilder,
 
 void
 nsHTMLCanvasFrame::BuildDisplayList(nsDisplayListBuilder*   aBuilder,
-                                    const nsRect&           aDirtyRect,
                                     const nsDisplayListSet& aLists)
 {
   if (!IsVisibleForPainting(aBuilder))
diff --git a/layout/generic/nsHTMLCanvasFrame.h b/layout/generic/nsHTMLCanvasFrame.h
index e4235deae9..b2d159627f 100644
--- a/layout/generic/nsHTMLCanvasFrame.h
+++ b/layout/generic/nsHTMLCanvasFrame.h
@@ -45,7 +45,6 @@ public:
                     nsIFrame*         aPrevInFlow) override;
 
   virtual void BuildDisplayList(nsDisplayListBuilder*   aBuilder,
-                                const nsRect&           aDirtyRect,
                                 const nsDisplayListSet& aLists) override;
 
   already_AddRefed<Layer> BuildLayer(nsDisplayListBuilder* aBuilder,
diff --git a/layout/generic/nsIFrame.h b/layout/generic/nsIFrame.h
index e22dd690a8..3db18a9a67 100644
--- a/layout/generic/nsIFrame.h
+++ b/layout/generic/nsIFrame.h
@@ -1451,21 +1451,14 @@ public:
    * BuildDisplayListForChild.
    * 
    * See nsDisplayList.h for more information about display lists.
-   * 
-   * @param aDirtyRect content outside this rectangle can be ignored; the
-   * rectangle is in frame coordinates
    */
   virtual void BuildDisplayList(nsDisplayListBuilder*   aBuilder,
-                                const nsRect&           aDirtyRect,
                                 const nsDisplayListSet& aLists) {}
   /**
    * Displays the caret onto the given display list builder. The caret is
    * painted on top of the rest of the display list items.
-   *
-   * @param aDirtyRect is the dirty rectangle that we're repainting.
    */
   void DisplayCaret(nsDisplayListBuilder* aBuilder,
-                    const nsRect&         aDirtyRect,
                     nsDisplayList*        aList);
 
   /**
@@ -1499,11 +1492,8 @@ public:
   /**
    * Builds a display list for the content represented by this frame,
    * treating this frame as the root of a stacking context.
-   * @param aDirtyRect content outside this rectangle can be ignored; the
-   * rectangle is in frame coordinates
    */
   void BuildDisplayListForStackingContext(nsDisplayListBuilder* aBuilder,
-                                          const nsRect&         aDirtyRect,
                                           nsDisplayList*        aList);
 
   enum {
@@ -1522,7 +1512,6 @@ public:
    */
   void BuildDisplayListForChild(nsDisplayListBuilder*   aBuilder,
                                 nsIFrame*               aChild,
-                                const nsRect&           aDirtyRect,
                                 const nsDisplayListSet& aLists,
                                 uint32_t                aFlags = 0);
 
@@ -3551,7 +3540,7 @@ private:
   nsIFrame*        mNextSibling;  // doubly-linked list of frames
   nsIFrame*        mPrevSibling;  // Do not touch outside SetNextSibling!
 
-  void MarkAbsoluteFramesForDisplayList(nsDisplayListBuilder* aBuilder, const nsRect& aDirtyRect);
+  void MarkAbsoluteFramesForDisplayList(nsDisplayListBuilder* aBuilder);
 
   static void DestroyPaintedPresShellList(nsTArray<nsWeakPtr>* list) {
     list->Clear();
diff --git a/layout/generic/nsImageFrame.cpp b/layout/generic/nsImageFrame.cpp
index ee35ecad81..db0ef33c13 100644
--- a/layout/generic/nsImageFrame.cpp
+++ b/layout/generic/nsImageFrame.cpp
@@ -1730,7 +1730,6 @@ nsImageFrame::PaintImage(nsRenderingContext& aRenderingContext, nsPoint aPt,
 
 void
 nsImageFrame::BuildDisplayList(nsDisplayListBuilder*   aBuilder,
-                               const nsRect&           aDirtyRect,
                                const nsDisplayListSet& aLists)
 {
   if (!IsVisibleForPainting(aBuilder))
diff --git a/layout/generic/nsImageFrame.h b/layout/generic/nsImageFrame.h
index 5bc59c042f..fceecc43d6 100644
--- a/layout/generic/nsImageFrame.h
+++ b/layout/generic/nsImageFrame.h
@@ -82,7 +82,6 @@ public:
                     nsContainerFrame* aParent,
                     nsIFrame*         aPrevInFlow) override;
   virtual void BuildDisplayList(nsDisplayListBuilder*   aBuilder,
-                                const nsRect&           aDirtyRect,
                                 const nsDisplayListSet& aLists) override;
   virtual nscoord GetMinISize(nsRenderingContext *aRenderingContext) override;
   virtual nscoord GetPrefISize(nsRenderingContext *aRenderingContext) override;
diff --git a/layout/generic/nsInlineFrame.cpp b/layout/generic/nsInlineFrame.cpp
index 7e188c247e..fb77422a34 100644
--- a/layout/generic/nsInlineFrame.cpp
+++ b/layout/generic/nsInlineFrame.cpp
@@ -243,10 +243,9 @@ nsInlineFrame::StealFrame(nsIFrame* aChild)
 
 void
 nsInlineFrame::BuildDisplayList(nsDisplayListBuilder*   aBuilder,
-                                const nsRect&           aDirtyRect,
                                 const nsDisplayListSet& aLists)
 {
-  BuildDisplayListForInline(aBuilder, aDirtyRect, aLists);
+  BuildDisplayListForInline(aBuilder, aLists);
 
   // The sole purpose of this is to trigger display of the selection
   // window for Named Anchors, which don't have any children and
diff --git a/layout/generic/nsInlineFrame.h b/layout/generic/nsInlineFrame.h
index 36df6be93a..c1e0d7fe32 100644
--- a/layout/generic/nsInlineFrame.h
+++ b/layout/generic/nsInlineFrame.h
@@ -31,7 +31,6 @@ public:
 
   // nsIFrame overrides
   virtual void BuildDisplayList(nsDisplayListBuilder*   aBuilder,
-                                const nsRect&           aDirtyRect,
                                 const nsDisplayListSet& aLists) override;
 
 #ifdef ACCESSIBILITY
diff --git a/layout/generic/nsLeafFrame.h b/layout/generic/nsLeafFrame.h
index 407f9846d8..7087fb6cf3 100644
--- a/layout/generic/nsLeafFrame.h
+++ b/layout/generic/nsLeafFrame.h
@@ -24,7 +24,6 @@ public:
 
   // nsIFrame replacements
   virtual void BuildDisplayList(nsDisplayListBuilder*   aBuilder,
-                                const nsRect&           aDirtyRect,
                                 const nsDisplayListSet& aLists) override {
     DO_GLOBAL_REFLOW_COUNT_DSP("nsLeafFrame");
     DisplayBorderBackgroundOutline(aBuilder, aLists);
diff --git a/layout/generic/nsPageFrame.cpp b/layout/generic/nsPageFrame.cpp
index ae3af6ef77..473d3a21d9 100644
--- a/layout/generic/nsPageFrame.cpp
+++ b/layout/generic/nsPageFrame.cpp
@@ -437,7 +437,7 @@ PruneDisplayListForExtraPage(nsDisplayListBuilder* aBuilder,
 static void
 BuildDisplayListForExtraPage(nsDisplayListBuilder* aBuilder,
                              nsPageFrame* aPage, nsIFrame* aExtraPage,
-                             const nsRect& aDirtyRect, nsDisplayList* aList)
+                             nsDisplayList* aList)
 {
   // The only content in aExtraPage we care about is out-of-flow content whose
   // placeholders have occurred in aPage. If
@@ -447,7 +447,7 @@ BuildDisplayListForExtraPage(nsDisplayListBuilder* aBuilder,
     return;
   }
   nsDisplayList list;
-  aExtraPage->BuildDisplayListForStackingContext(aBuilder, aDirtyRect, &list);
+  aExtraPage->BuildDisplayListForStackingContext(aBuilder, &list);
   PruneDisplayListForExtraPage(aBuilder, aPage, aExtraPage, &list);
   aList->AppendToTop(&list);
 }
@@ -517,7 +517,6 @@ protected:
 //------------------------------------------------------------------------------
 void
 nsPageFrame::BuildDisplayList(nsDisplayListBuilder*   aBuilder,
-                              const nsRect&           aDirtyRect,
                               const nsDisplayListSet& aLists)
 {
   nsDisplayListCollection set;
@@ -558,7 +557,10 @@ nsPageFrame::BuildDisplayList(nsDisplayListBuilder*   aBuilder,
     clipState.ClipContainingBlockDescendants(clipRect, nullptr);
 
     nsRect dirtyRect = child->GetVisualOverflowRectRelativeToSelf();
-    child->BuildDisplayListForStackingContext(aBuilder, dirtyRect, &content);
+    nsDisplayListBuilder::AutoBuildingDisplayList
+    buildingForChild(aBuilder, child, dirtyRect,
+                     aBuilder->IsAtRootOfPseudoStackingContext());
+    child->BuildDisplayListForStackingContext(aBuilder, &content);
 
     // We may need to paint out-of-flow frames whose placeholders are
     // on other pages. Add those pages to our display list. Note that
@@ -569,8 +571,12 @@ nsPageFrame::BuildDisplayList(nsDisplayListBuilder*   aBuilder,
     // following placeholders to their out-of-flows) end up on the list.
     nsIFrame* page = child;
     while ((page = GetNextPage(page)) != nullptr) {
-      BuildDisplayListForExtraPage(aBuilder, this, page,
-          dirtyRect + child->GetOffsetTo(page), &content);
+     nsRect childDirty = dirtyRect + child->GetOffsetTo(page);
+
+    nsDisplayListBuilder::AutoBuildingDisplayList
+      buildingForChild(aBuilder, page, childDirty,
+                       aBuilder->IsAtRootOfPseudoStackingContext());
+      BuildDisplayListForExtraPage(aBuilder, this, page, &content);
     }
 
     // Invoke AutoBuildingDisplayList to ensure that the correct dirtyRect
diff --git a/layout/generic/nsPageFrame.h b/layout/generic/nsPageFrame.h
index aab2ac7b86..86516fe73d 100644
--- a/layout/generic/nsPageFrame.h
+++ b/layout/generic/nsPageFrame.h
@@ -29,7 +29,6 @@ public:
                       nsReflowStatus&      aStatus) override;
 
   virtual void BuildDisplayList(nsDisplayListBuilder*   aBuilder,
-                                const nsRect&           aDirtyRect,
                                 const nsDisplayListSet& aLists) override;
 
   /**
diff --git a/layout/generic/nsPlaceholderFrame.cpp b/layout/generic/nsPlaceholderFrame.cpp
index 62370a06a4..f8678dcbdf 100644
--- a/layout/generic/nsPlaceholderFrame.cpp
+++ b/layout/generic/nsPlaceholderFrame.cpp
@@ -239,7 +239,6 @@ PaintDebugPlaceholder(nsIFrame* aFrame, DrawTarget* aDrawTarget,
 
 void
 nsPlaceholderFrame::BuildDisplayList(nsDisplayListBuilder*   aBuilder,
-                                     const nsRect&           aDirtyRect,
                                      const nsDisplayListSet& aLists)
 {
   DO_GLOBAL_REFLOW_COUNT_DSP("nsPlaceholderFrame");
diff --git a/layout/generic/nsPlaceholderFrame.h b/layout/generic/nsPlaceholderFrame.h
index 0c23a4f75c..11cb98592b 100644
--- a/layout/generic/nsPlaceholderFrame.h
+++ b/layout/generic/nsPlaceholderFrame.h
@@ -107,7 +107,6 @@ public:
 
 #if defined(DEBUG) || (defined(MOZ_REFLOW_PERF_DSP) && defined(MOZ_REFLOW_PERF))
   virtual void BuildDisplayList(nsDisplayListBuilder*   aBuilder,
-                                const nsRect&           aDirtyRect,
                                 const nsDisplayListSet& aLists) override;
 #endif // DEBUG || (MOZ_REFLOW_PERF_DSP && MOZ_REFLOW_PERF)
   
diff --git a/layout/generic/nsPluginFrame.cpp b/layout/generic/nsPluginFrame.cpp
index 34ed12d446..6e9e072e73 100644
--- a/layout/generic/nsPluginFrame.cpp
+++ b/layout/generic/nsPluginFrame.cpp
@@ -1182,7 +1182,6 @@ nsPluginFrame::IsTransparentMode() const
 
 void
 nsPluginFrame::BuildDisplayList(nsDisplayListBuilder*   aBuilder,
-                                const nsRect&           aDirtyRect,
                                 const nsDisplayListSet& aLists)
 {
   // XXX why are we painting collapsed object frames?
diff --git a/layout/generic/nsPluginFrame.h b/layout/generic/nsPluginFrame.h
index 5d9f9f4757..57db78acca 100644
--- a/layout/generic/nsPluginFrame.h
+++ b/layout/generic/nsPluginFrame.h
@@ -81,7 +81,6 @@ public:
                          const ReflowInput* aReflowInput,
                          nsDidReflowStatus aStatus) override;
   virtual void BuildDisplayList(nsDisplayListBuilder*   aBuilder,
-                                const nsRect&           aDirtyRect,
                                 const nsDisplayListSet& aLists) override;
 
   virtual nsresult  HandleEvent(nsPresContext* aPresContext,
diff --git a/layout/generic/nsRubyTextFrame.cpp b/layout/generic/nsRubyTextFrame.cpp
index b4a26ff333..2848cb6fc7 100644
--- a/layout/generic/nsRubyTextFrame.cpp
+++ b/layout/generic/nsRubyTextFrame.cpp
@@ -63,14 +63,13 @@ nsRubyTextFrame::GetFrameName(nsAString& aResult) const
 
 /* virtual */ void
 nsRubyTextFrame::BuildDisplayList(nsDisplayListBuilder*   aBuilder,
-                                  const nsRect&           aDirtyRect,
                                   const nsDisplayListSet& aLists)
 {
   if (IsAutoHidden()) {
     return;
   }
 
-  nsRubyContentFrame::BuildDisplayList(aBuilder, aDirtyRect, aLists);
+  nsRubyContentFrame::BuildDisplayList(aBuilder, aLists);
 }
 
 /* virtual */ void
diff --git a/layout/generic/nsRubyTextFrame.h b/layout/generic/nsRubyTextFrame.h
index 841b5081f5..83c24d49d7 100644
--- a/layout/generic/nsRubyTextFrame.h
+++ b/layout/generic/nsRubyTextFrame.h
@@ -34,7 +34,6 @@ public:
 #endif
 
   virtual void BuildDisplayList(nsDisplayListBuilder*   aBuilder,
-                                const nsRect&           aDirtyRect,
                                 const nsDisplayListSet& aLists) override;
 
   virtual void Reflow(nsPresContext* aPresContext,
diff --git a/layout/generic/nsSimplePageSequenceFrame.cpp b/layout/generic/nsSimplePageSequenceFrame.cpp
index 2e74afc3bf..d8ec898a6a 100644
--- a/layout/generic/nsSimplePageSequenceFrame.cpp
+++ b/layout/generic/nsSimplePageSequenceFrame.cpp
@@ -808,7 +808,6 @@ ComputePageSequenceTransform(nsIFrame* aFrame, float aAppUnitsPerPixel)
 
 void
 nsSimplePageSequenceFrame::BuildDisplayList(nsDisplayListBuilder*   aBuilder,
-                                            const nsRect&           aDirtyRect,
                                             const nsDisplayListSet& aLists)
 {
   DisplayBorderBackgroundOutline(aBuilder, aLists);
@@ -822,13 +821,16 @@ nsSimplePageSequenceFrame::BuildDisplayList(nsDisplayListBuilder*   aBuilder,
     clipState.Clear();
 
     nsIFrame* child = PrincipalChildList().FirstChild();
-    nsRect dirty = aDirtyRect;
+    nsRect dirty = aBuilder->GetDirtyRect();
     dirty.ScaleInverseRoundOut(PresContext()->GetPrintPreviewScale());
 
     while (child) {
       if (child->GetVisualOverflowRectRelativeToParent().Intersects(dirty)) {
-        child->BuildDisplayListForStackingContext(aBuilder,
-            dirty - child->GetPosition(), &content);
+        nsDisplayListBuilder::AutoBuildingDisplayList
+          buildingForChild(aBuilder, child,
+                           dirty - child->GetPosition(),
+                           aBuilder->IsAtRootOfPseudoStackingContext());
+        child->BuildDisplayListForStackingContext(aBuilder, &content);
         aBuilder->ResetMarkedFramesForDisplayList();
       }
       child = child->GetNextSibling();
diff --git a/layout/generic/nsSimplePageSequenceFrame.h b/layout/generic/nsSimplePageSequenceFrame.h
index c4e1e84b63..4981c67a8c 100644
--- a/layout/generic/nsSimplePageSequenceFrame.h
+++ b/layout/generic/nsSimplePageSequenceFrame.h
@@ -69,7 +69,6 @@ public:
                       nsReflowStatus&      aStatus) override;
 
   virtual void BuildDisplayList(nsDisplayListBuilder*   aBuilder,
-                                const nsRect&           aDirtyRect,
                                 const nsDisplayListSet& aLists) override;
 
   // nsIPageSequenceFrame
diff --git a/layout/generic/nsSubDocumentFrame.cpp b/layout/generic/nsSubDocumentFrame.cpp
index 47026b73ce..215cd53760 100644
--- a/layout/generic/nsSubDocumentFrame.cpp
+++ b/layout/generic/nsSubDocumentFrame.cpp
@@ -327,7 +327,6 @@ WrapBackgroundColorInOwnLayer(nsDisplayListBuilder* aBuilder,
 
 void
 nsSubDocumentFrame::BuildDisplayList(nsDisplayListBuilder*   aBuilder,
-                                     const nsRect&           aDirtyRect,
                                      const nsDisplayListSet& aLists)
 {
   if (!IsVisibleForPainting(aBuilder))
@@ -368,7 +367,7 @@ nsSubDocumentFrame::BuildDisplayList(nsDisplayListBuilder*   aBuilder,
   }
 
   if (rfp) {
-    rfp->BuildDisplayList(aBuilder, this, aDirtyRect, aLists);
+    rfp->BuildDisplayList(aBuilder, this, aLists);
     return;
   }
 
@@ -393,17 +392,18 @@ nsSubDocumentFrame::BuildDisplayList(nsDisplayListBuilder*   aBuilder,
   nsIFrame* savedIgnoreScrollFrame = nullptr;
   if (subdocRootFrame) {
     // get the dirty rect relative to the root frame of the subdoc
-    dirty = aDirtyRect + GetOffsetToCrossDoc(subdocRootFrame);
+    dirty = aBuilder->GetDirtyRect() + GetOffsetToCrossDoc(subdocRootFrame);
     // and convert into the appunits of the subdoc
     dirty = dirty.ScaleToOtherAppUnitsRoundOut(parentAPD, subdocAPD);
 
     if (nsIFrame* rootScrollFrame = presShell->GetRootScrollFrame()) {
       nsIScrollableFrame* rootScrollableFrame = presShell->GetRootScrollFrameAsScrollable();
       MOZ_ASSERT(rootScrollableFrame);
-      // Use a copy, so the dirty rect doesn't get modified to the display port.
-      nsRect copy = dirty;
+      // Use a copy, so the rects don't get modified.
+      nsRect copyOfDirty = dirty;
       haveDisplayPort = rootScrollableFrame->DecideScrollableLayer(aBuilder,
-                          &copy, /* aAllowCreateDisplayPort = */ true);
+                           &copyOfDirty,
+                          /* aAllowCreateDisplayPort = */ true);
       if (!gfxPrefs::LayoutUseContainersForRootFrames()) {
         haveDisplayPort = false;
       }
@@ -417,7 +417,7 @@ nsSubDocumentFrame::BuildDisplayList(nsDisplayListBuilder*   aBuilder,
 
     aBuilder->EnterPresShell(subdocRootFrame, pointerEventsNone);
   } else {
-    dirty = aDirtyRect;
+    dirty = aBuilder->GetDirtyRect();
   }
 
   DisplayListClipState::AutoSaveRestore clipState(aBuilder);
@@ -456,6 +456,13 @@ nsSubDocumentFrame::BuildDisplayList(nsDisplayListBuilder*   aBuilder,
       nestedClipState.EnterStackingContextContents(true);
     }
 
+    // Invoke AutoBuildingDisplayList to ensure that the correct dirty rect
+    // is used to compute the visible rect if AddCanvasBackgroundColorItem
+    // creates a display item.
+    nsIFrame* frame = subdocRootFrame ? subdocRootFrame : this;
+    nsDisplayListBuilder::AutoBuildingDisplayList
+      building(aBuilder, frame, dirty, true);
+
     if (subdocRootFrame) {
       nsIFrame* rootScrollFrame = presShell->GetRootScrollFrame();
       nsDisplayListBuilder::AutoCurrentScrollParentIdSetter idSetter(
@@ -466,7 +473,7 @@ nsSubDocumentFrame::BuildDisplayList(nsDisplayListBuilder*   aBuilder,
 
       aBuilder->SetAncestorHasApzAwareEventHandler(false);
       subdocRootFrame->
-        BuildDisplayListForStackingContext(aBuilder, dirty, &childItems);
+        BuildDisplayListForStackingContext(aBuilder, &childItems);
     }
 
     if (!aBuilder->IsForEventDelivery()) {
@@ -485,15 +492,8 @@ nsSubDocumentFrame::BuildDisplayList(nsDisplayListBuilder*   aBuilder,
       // painted on the page itself.
       if (nsLayoutUtils::NeedsPrintPreviewBackground(presContext)) {
         presShell->AddPrintPreviewBackgroundItem(
-          *aBuilder, childItems, subdocRootFrame ? subdocRootFrame : this,
-          bounds);
+          *aBuilder, childItems, frame, bounds);
       } else {
-        // Invoke AutoBuildingDisplayList to ensure that the correct dirty rect
-        // is used to compute the visible rect if AddCanvasBackgroundColorItem
-        // creates a display item.
-        nsIFrame* frame = subdocRootFrame ? subdocRootFrame : this;
-        nsDisplayListBuilder::AutoBuildingDisplayList
-          building(aBuilder, frame, dirty, true);
         // Add the canvas background color to the bottom of the list. This
         // happens after we've built the list so that AddCanvasBackgroundColorItem
         // can monkey with the contents if necessary.
diff --git a/layout/generic/nsSubDocumentFrame.h b/layout/generic/nsSubDocumentFrame.h
index 54f08d4fe6..93d908dcc5 100644
--- a/layout/generic/nsSubDocumentFrame.h
+++ b/layout/generic/nsSubDocumentFrame.h
@@ -79,7 +79,6 @@ public:
                       nsReflowStatus&          aStatus) override;
 
   virtual void BuildDisplayList(nsDisplayListBuilder*   aBuilder,
-                                const nsRect&           aDirtyRect,
                                 const nsDisplayListSet& aLists) override;
 
   virtual nsresult AttributeChanged(int32_t aNameSpaceID,
diff --git a/layout/generic/nsTextFrame.cpp b/layout/generic/nsTextFrame.cpp
index 6875f33e88..e2a629a075 100644
--- a/layout/generic/nsTextFrame.cpp
+++ b/layout/generic/nsTextFrame.cpp
@@ -4997,7 +4997,6 @@ nsDisplayText::Paint(nsDisplayListBuilder* aBuilder,
 
 void
 nsTextFrame::BuildDisplayList(nsDisplayListBuilder*   aBuilder,
-                              const nsRect&           aDirtyRect,
                               const nsDisplayListSet& aLists)
 {
   if (!IsVisibleForPainting(aBuilder))
diff --git a/layout/generic/nsTextFrame.h b/layout/generic/nsTextFrame.h
index 425dbb737c..43a4f5f1c5 100644
--- a/layout/generic/nsTextFrame.h
+++ b/layout/generic/nsTextFrame.h
@@ -65,7 +65,6 @@ public:
 
   // nsIFrame
   virtual void BuildDisplayList(nsDisplayListBuilder*   aBuilder,
-                                const nsRect&           aDirtyRect,
                                 const nsDisplayListSet& aLists) override;
 
   virtual void Init(nsIContent*       aContent,
diff --git a/layout/generic/nsVideoFrame.cpp b/layout/generic/nsVideoFrame.cpp
index 9f27684a7e..cea209cb5a 100644
--- a/layout/generic/nsVideoFrame.cpp
+++ b/layout/generic/nsVideoFrame.cpp
@@ -446,7 +446,6 @@ public:
 
 void
 nsVideoFrame::BuildDisplayList(nsDisplayListBuilder*   aBuilder,
-                               const nsRect&           aDirtyRect,
                                const nsDisplayListSet& aLists)
 {
   if (!IsVisibleForPainting(aBuilder))
@@ -482,14 +481,15 @@ nsVideoFrame::BuildDisplayList(nsDisplayListBuilder*   aBuilder,
   // but only want to draw mPosterImage conditionally. Others we
   // always add to the display list.
   for (nsIFrame* child : mFrames) {
-    if (child->GetContent() != mPosterImage || shouldDisplayPoster) {
-      child->BuildDisplayListForStackingContext(aBuilder,
-                                                aDirtyRect - child->GetOffsetTo(this),
-                                                aLists.Content());
-    } else if (child->GetType() == nsGkAtoms::boxFrame) {
-      child->BuildDisplayListForStackingContext(aBuilder,
-                                                aDirtyRect - child->GetOffsetTo(this),
-                                                aLists.Content());
+    if (child->GetContent() != mPosterImage || shouldDisplayPoster ||
+      child->GetType() == nsGkAtoms::boxFrame) {
+
+      nsDisplayListBuilder::AutoBuildingDisplayList
+        buildingForChild(aBuilder, child,
+        aBuilder->GetDirtyRect() - child->GetOffsetTo(this),
+        aBuilder->IsAtRootOfPseudoStackingContext());
+
+      child->BuildDisplayListForStackingContext(aBuilder, aLists.Content());
     }
   }
 }
diff --git a/layout/generic/nsVideoFrame.h b/layout/generic/nsVideoFrame.h
index 36e9f9ac31..d624ae6b90 100644
--- a/layout/generic/nsVideoFrame.h
+++ b/layout/generic/nsVideoFrame.h
@@ -45,7 +45,6 @@ public:
   NS_DECL_FRAMEARENA_HELPERS
 
   virtual void BuildDisplayList(nsDisplayListBuilder*   aBuilder,
-                                const nsRect&           aDirtyRect,
                                 const nsDisplayListSet& aLists) override;
 
   virtual nsresult AttributeChanged(int32_t aNameSpaceID,
diff --git a/layout/generic/nsViewportFrame.cpp b/layout/generic/nsViewportFrame.cpp
index 20378e7664..a37d2a5a7c 100644
--- a/layout/generic/nsViewportFrame.cpp
+++ b/layout/generic/nsViewportFrame.cpp
@@ -49,7 +49,6 @@ ViewportFrame::Init(nsIContent*       aContent,
 
 void
 ViewportFrame::BuildDisplayList(nsDisplayListBuilder*   aBuilder,
-                                const nsRect&           aDirtyRect,
                                 const nsDisplayListSet& aLists)
 {
   PROFILER_LABEL("ViewportFrame", "BuildDisplayList",
@@ -59,7 +58,7 @@ ViewportFrame::BuildDisplayList(nsDisplayListBuilder*   aBuilder,
     // make the kid's BorderBackground our own. This ensures that the canvas
     // frame's background becomes our own background and therefore appears
     // below negative z-index elements.
-    BuildDisplayListForChild(aBuilder, kid, aDirtyRect, aLists);
+    BuildDisplayListForChild(aBuilder, kid, aLists);
   }
 
   nsDisplayList topLayerList;
@@ -110,8 +109,12 @@ BuildDisplayListForTopLayerFrame(nsDisplayListBuilder* aBuilder,
     clipState.SetScrollClipForContainingBlockDescendants(
       aBuilder, savedOutOfFlowData->mContainingBlockScrollClip);
   }
+  nsDisplayListBuilder::AutoBuildingDisplayList
+    buildingForChild(aBuilder, aFrame, dirty,
+                     aBuilder->IsAtRootOfPseudoStackingContext());
+
   nsDisplayList list;
-  aFrame->BuildDisplayListForStackingContext(aBuilder, dirty, &list);
+  aFrame->BuildDisplayListForStackingContext(aBuilder, &list);
   aList->AppendToTop(&list);
 }
 
diff --git a/layout/generic/nsViewportFrame.h b/layout/generic/nsViewportFrame.h
index 062de40542..3e52630934 100644
--- a/layout/generic/nsViewportFrame.h
+++ b/layout/generic/nsViewportFrame.h
@@ -56,7 +56,6 @@ public:
 #endif
 
   virtual void BuildDisplayList(nsDisplayListBuilder*   aBuilder,
-                                const nsRect&           aDirtyRect,
                                 const nsDisplayListSet& aLists) override;
 
   void BuildDisplayListForTopLayer(nsDisplayListBuilder* aBuilder,
diff --git a/layout/ipc/RenderFrameParent.cpp b/layout/ipc/RenderFrameParent.cpp
index 8162d02d79..0f4aa11bb7 100644
--- a/layout/ipc/RenderFrameParent.cpp
+++ b/layout/ipc/RenderFrameParent.cpp
@@ -266,7 +266,6 @@ RenderFrameParent::GetLayerTreeId() const
 void
 RenderFrameParent::BuildDisplayList(nsDisplayListBuilder* aBuilder,
                                     nsSubDocumentFrame* aFrame,
-                                    const nsRect& aDirtyRect,
                                     const nsDisplayListSet& aLists)
 {
   // We're the subdoc for <browser remote="true"> and it has
diff --git a/layout/ipc/RenderFrameParent.h b/layout/ipc/RenderFrameParent.h
index 274f8ff6df..f91cfe614c 100644
--- a/layout/ipc/RenderFrameParent.h
+++ b/layout/ipc/RenderFrameParent.h
@@ -64,7 +64,6 @@ public:
 
   void BuildDisplayList(nsDisplayListBuilder* aBuilder,
                         nsSubDocumentFrame* aFrame,
-                        const nsRect& aDirtyRect,
                         const nsDisplayListSet& aLists);
 
   already_AddRefed<Layer> BuildLayer(nsDisplayListBuilder* aBuilder,
diff --git a/layout/mathml/nsMathMLContainerFrame.cpp b/layout/mathml/nsMathMLContainerFrame.cpp
index 93b631c9d0..8e22ba204d 100644
--- a/layout/mathml/nsMathMLContainerFrame.cpp
+++ b/layout/mathml/nsMathMLContainerFrame.cpp
@@ -618,7 +618,6 @@ nsMathMLContainerFrame::PropagatePresentationDataFromChildAt(nsIFrame*       aPa
 
 void
 nsMathMLContainerFrame::BuildDisplayList(nsDisplayListBuilder*   aBuilder,
-                                         const nsRect&           aDirtyRect,
                                          const nsDisplayListSet& aLists)
 {
   // report an error if something wrong was found in this frame
@@ -633,8 +632,7 @@ nsMathMLContainerFrame::BuildDisplayList(nsDisplayListBuilder*   aBuilder,
 
   DisplayBorderBackgroundOutline(aBuilder, aLists);
 
-  BuildDisplayListForNonBlockChildren(aBuilder, aDirtyRect, aLists,
-                                      DISPLAY_CHILD_INLINE);
+  BuildDisplayListForNonBlockChildren(aBuilder, aLists, DISPLAY_CHILD_INLINE);
 
 #if defined(DEBUG) && defined(SHOW_BOUNDING_BOX)
   // for visual debug
diff --git a/layout/mathml/nsMathMLContainerFrame.h b/layout/mathml/nsMathMLContainerFrame.h
index 94ccf70d24..61c59a4fed 100644
--- a/layout/mathml/nsMathMLContainerFrame.h
+++ b/layout/mathml/nsMathMLContainerFrame.h
@@ -126,7 +126,6 @@ public:
   }
 
   virtual void BuildDisplayList(nsDisplayListBuilder*   aBuilder,
-                                const nsRect&           aDirtyRect,
                                 const nsDisplayListSet& aLists) override;
 
   virtual bool ComputeCustomOverflow(nsOverflowAreas& aOverflowAreas) override;
diff --git a/layout/mathml/nsMathMLSelectedFrame.cpp b/layout/mathml/nsMathMLSelectedFrame.cpp
index 2378d07632..11eb14d83f 100644
--- a/layout/mathml/nsMathMLSelectedFrame.cpp
+++ b/layout/mathml/nsMathMLSelectedFrame.cpp
@@ -71,14 +71,13 @@ nsMathMLSelectedFrame::SetInitialChildList(ChildListID     aListID,
 //  Only paint the selected child...
 void
 nsMathMLSelectedFrame::BuildDisplayList(nsDisplayListBuilder*   aBuilder,
-                                        const nsRect&           aDirtyRect,
                                         const nsDisplayListSet& aLists)
 {
   // Report an error if something wrong was found in this frame.
   // We can't call nsDisplayMathMLError from here,
   // so ask nsMathMLContainerFrame to do the work for us.
   if (NS_MATHML_HAS_ERROR(mPresentationData.flags)) {
-    nsMathMLContainerFrame::BuildDisplayList(aBuilder, aDirtyRect, aLists);
+    nsMathMLContainerFrame::BuildDisplayList(aBuilder, aLists);
     return;
   }
 
@@ -89,7 +88,7 @@ nsMathMLSelectedFrame::BuildDisplayList(nsDisplayListBuilder*   aBuilder,
     // Put the child's background directly onto the content list
     nsDisplayListSet set(aLists, aLists.Content());
     // The children should be in content order
-    BuildDisplayListForChild(aBuilder, childFrame, aDirtyRect, set);
+    BuildDisplayListForChild(aBuilder, childFrame, set);
   }
 
 #if defined(DEBUG) && defined(SHOW_BOUNDING_BOX)
diff --git a/layout/mathml/nsMathMLSelectedFrame.h b/layout/mathml/nsMathMLSelectedFrame.h
index ad523a594d..8723518298 100644
--- a/layout/mathml/nsMathMLSelectedFrame.h
+++ b/layout/mathml/nsMathMLSelectedFrame.h
@@ -26,7 +26,6 @@ public:
   ChildListChanged(int32_t aModType) override;
 
   virtual void BuildDisplayList(nsDisplayListBuilder*   aBuilder,
-                                const nsRect&           aDirtyRect,
                                 const nsDisplayListSet& aLists) override;
 
   virtual nsresult
diff --git a/layout/mathml/nsMathMLmencloseFrame.cpp b/layout/mathml/nsMathMLmencloseFrame.cpp
index 64277a92e9..236a5ab07d 100644
--- a/layout/mathml/nsMathMLmencloseFrame.cpp
+++ b/layout/mathml/nsMathMLmencloseFrame.cpp
@@ -201,12 +201,11 @@ nsMathMLmencloseFrame::TransmitAutomaticData()
 
 void
 nsMathMLmencloseFrame::BuildDisplayList(nsDisplayListBuilder*   aBuilder,
-                                        const nsRect&           aDirtyRect,
                                         const nsDisplayListSet& aLists)
 {
   /////////////
   // paint the menclosed content
-  nsMathMLContainerFrame::BuildDisplayList(aBuilder, aDirtyRect, aLists);
+  nsMathMLContainerFrame::BuildDisplayList(aBuilder, aLists);
 
   if (NS_MATHML_HAS_ERROR(mPresentationData.flags))
     return;
diff --git a/layout/mathml/nsMathMLmencloseFrame.h b/layout/mathml/nsMathMLmencloseFrame.h
index 82d73b2cfc..e9e7a2b0a3 100644
--- a/layout/mathml/nsMathMLmencloseFrame.h
+++ b/layout/mathml/nsMathMLmencloseFrame.h
@@ -70,7 +70,6 @@ public:
   GetAdditionalStyleContext(int32_t aIndex) const override;
 
   virtual void BuildDisplayList(nsDisplayListBuilder*   aBuilder,
-                                const nsRect&           aDirtyRect,
                                 const nsDisplayListSet& aLists) override;
 
   NS_IMETHOD
diff --git a/layout/mathml/nsMathMLmfencedFrame.cpp b/layout/mathml/nsMathMLmfencedFrame.cpp
index a5f5ed4d9e..bc663a5718 100644
--- a/layout/mathml/nsMathMLmfencedFrame.cpp
+++ b/layout/mathml/nsMathMLmfencedFrame.cpp
@@ -161,12 +161,11 @@ nsMathMLmfencedFrame::CreateFencesAndSeparators(nsPresContext* aPresContext)
 
 void
 nsMathMLmfencedFrame::BuildDisplayList(nsDisplayListBuilder*   aBuilder,
-                                       const nsRect&           aDirtyRect,
                                        const nsDisplayListSet& aLists)
 {
   /////////////
   // display the content
-  nsMathMLContainerFrame::BuildDisplayList(aBuilder, aDirtyRect, aLists);
+  nsMathMLContainerFrame::BuildDisplayList(aBuilder, aLists);
   
   ////////////
   // display fences and separators
diff --git a/layout/mathml/nsMathMLmfencedFrame.h b/layout/mathml/nsMathMLmfencedFrame.h
index 2d7535d0c5..472e5aed9b 100644
--- a/layout/mathml/nsMathMLmfencedFrame.h
+++ b/layout/mathml/nsMathMLmfencedFrame.h
@@ -41,7 +41,6 @@ public:
          nsReflowStatus&          aStatus) override;
 
   virtual void BuildDisplayList(nsDisplayListBuilder*   aBuilder,
-                                const nsRect&           aDirtyRect,
                                 const nsDisplayListSet& aLists) override;
 
   virtual void
diff --git a/layout/mathml/nsMathMLmfracFrame.cpp b/layout/mathml/nsMathMLmfracFrame.cpp
index 4e74faea2a..731cca7d0c 100644
--- a/layout/mathml/nsMathMLmfracFrame.cpp
+++ b/layout/mathml/nsMathMLmfracFrame.cpp
@@ -149,12 +149,11 @@ nsMathMLmfracFrame::CalcLineThickness(nsPresContext*  aPresContext,
 
 void
 nsMathMLmfracFrame::BuildDisplayList(nsDisplayListBuilder*   aBuilder,
-                                     const nsRect&           aDirtyRect,
                                      const nsDisplayListSet& aLists)
 {
   /////////////
   // paint the numerator and denominator
-  nsMathMLContainerFrame::BuildDisplayList(aBuilder, aDirtyRect, aLists);
+  nsMathMLContainerFrame::BuildDisplayList(aBuilder, aLists);
   
   /////////////
   // paint the fraction line
diff --git a/layout/mathml/nsMathMLmfracFrame.h b/layout/mathml/nsMathMLmfracFrame.h
index 330a311803..8ced03694b 100644
--- a/layout/mathml/nsMathMLmfracFrame.h
+++ b/layout/mathml/nsMathMLmfracFrame.h
@@ -67,7 +67,6 @@ public:
         ReflowOutput& aDesiredSize) override;
 
   virtual void BuildDisplayList(nsDisplayListBuilder*   aBuilder,
-                                const nsRect&           aDirtyRect,
                                 const nsDisplayListSet& aLists) override;
 
   virtual nsresult
diff --git a/layout/mathml/nsMathMLmoFrame.cpp b/layout/mathml/nsMathMLmoFrame.cpp
index 591b46309a..3ef7b88d00 100644
--- a/layout/mathml/nsMathMLmoFrame.cpp
+++ b/layout/mathml/nsMathMLmoFrame.cpp
@@ -78,14 +78,13 @@ nsMathMLmoFrame::UseMathMLChar()
 
 void
 nsMathMLmoFrame::BuildDisplayList(nsDisplayListBuilder*   aBuilder,
-                                  const nsRect&           aDirtyRect,
                                   const nsDisplayListSet& aLists)
 {
   bool useMathMLChar = UseMathMLChar();
 
   if (!useMathMLChar) {
     // let the base class do everything
-    nsMathMLTokenFrame::BuildDisplayList(aBuilder, aDirtyRect, aLists);
+    nsMathMLTokenFrame::BuildDisplayList(aBuilder, aLists);
   } else {
     DisplayBorderBackgroundOutline(aBuilder, aLists);
     
diff --git a/layout/mathml/nsMathMLmoFrame.h b/layout/mathml/nsMathMLmoFrame.h
index f25107a20b..15df62ac27 100644
--- a/layout/mathml/nsMathMLmoFrame.h
+++ b/layout/mathml/nsMathMLmoFrame.h
@@ -29,7 +29,6 @@ public:
   GetAdditionalStyleContext(int32_t aIndex) const override;
 
   virtual void BuildDisplayList(nsDisplayListBuilder*   aBuilder,
-                                const nsRect&           aDirtyRect,
                                 const nsDisplayListSet& aLists) override;
 
   NS_IMETHOD
diff --git a/layout/mathml/nsMathMLmrootFrame.cpp b/layout/mathml/nsMathMLmrootFrame.cpp
index 4c81bde3d9..300adcb91c 100644
--- a/layout/mathml/nsMathMLmrootFrame.cpp
+++ b/layout/mathml/nsMathMLmrootFrame.cpp
@@ -77,12 +77,11 @@ nsMathMLmrootFrame::TransmitAutomaticData()
 
 void
 nsMathMLmrootFrame::BuildDisplayList(nsDisplayListBuilder*   aBuilder,
-                                     const nsRect&           aDirtyRect,
                                      const nsDisplayListSet& aLists)
 {
   /////////////
   // paint the content we are square-rooting
-  nsMathMLContainerFrame::BuildDisplayList(aBuilder, aDirtyRect, aLists);
+  nsMathMLContainerFrame::BuildDisplayList(aBuilder, aLists);
   
   /////////////
   // paint the sqrt symbol
diff --git a/layout/mathml/nsMathMLmrootFrame.h b/layout/mathml/nsMathMLmrootFrame.h
index 0996af26b8..ddf6f89a6c 100644
--- a/layout/mathml/nsMathMLmrootFrame.h
+++ b/layout/mathml/nsMathMLmrootFrame.h
@@ -51,7 +51,6 @@ public:
                            ReflowOutput& aDesiredSize) override;
 
   virtual void BuildDisplayList(nsDisplayListBuilder*   aBuilder,
-                                const nsRect&           aDirtyRect,
                                 const nsDisplayListSet& aLists) override;
 
   uint8_t
diff --git a/layout/svg/SVGFEUnstyledLeafFrame.cpp b/layout/svg/SVGFEUnstyledLeafFrame.cpp
index 083c0f27d1..bc92585273 100644
--- a/layout/svg/SVGFEUnstyledLeafFrame.cpp
+++ b/layout/svg/SVGFEUnstyledLeafFrame.cpp
@@ -25,7 +25,6 @@ public:
   NS_DECL_FRAMEARENA_HELPERS
 
   virtual void BuildDisplayList(nsDisplayListBuilder* aBuilder,
-                                const nsRect&           aDirtyRect,
                                 const nsDisplayListSet& aLists) override {}
 
   virtual bool IsFrameOfType(uint32_t aFlags) const override
diff --git a/layout/svg/SVGTextFrame.cpp b/layout/svg/SVGTextFrame.cpp
index ebb5298b78..fe4df3f4d8 100644
--- a/layout/svg/SVGTextFrame.cpp
+++ b/layout/svg/SVGTextFrame.cpp
@@ -3162,7 +3162,6 @@ SVGTextFrame::Init(nsIContent*       aContent,
 
 void
 SVGTextFrame::BuildDisplayList(nsDisplayListBuilder* aBuilder,
-                               const nsRect& aDirtyRect,
                                const nsDisplayListSet& aLists)
 {
   if (NS_SUBTREE_DIRTY(this)) {
diff --git a/layout/svg/SVGTextFrame.h b/layout/svg/SVGTextFrame.h
index 9c672c6a53..508ed17245 100644
--- a/layout/svg/SVGTextFrame.h
+++ b/layout/svg/SVGTextFrame.h
@@ -224,7 +224,6 @@ public:
   }
 
   virtual void BuildDisplayList(nsDisplayListBuilder*   aBuilder,
-                                const nsRect&           aDirtyRect,
                                 const nsDisplayListSet& aLists) override;
 
   /**
diff --git a/layout/svg/nsSVGClipPathFrame.h b/layout/svg/nsSVGClipPathFrame.h
index 42a8d16ffd..046ebb169d 100644
--- a/layout/svg/nsSVGClipPathFrame.h
+++ b/layout/svg/nsSVGClipPathFrame.h
@@ -37,7 +37,6 @@ public:
 
   // nsIFrame methods:
   virtual void BuildDisplayList(nsDisplayListBuilder*   aBuilder,
-                                const nsRect&           aDirtyRect,
                                 const nsDisplayListSet& aLists) override {}
 
   // nsSVGClipPathFrame methods:
diff --git a/layout/svg/nsSVGContainerFrame.cpp b/layout/svg/nsSVGContainerFrame.cpp
index 15af5da99e..5c18cad425 100644
--- a/layout/svg/nsSVGContainerFrame.cpp
+++ b/layout/svg/nsSVGContainerFrame.cpp
@@ -141,7 +141,6 @@ nsSVGDisplayContainerFrame::Init(nsIContent*       aContent,
 
 void
 nsSVGDisplayContainerFrame::BuildDisplayList(nsDisplayListBuilder*   aBuilder,
-                                             const nsRect&           aDirtyRect,
                                              const nsDisplayListSet& aLists)
 {
   // mContent could be a XUL element so check for an SVG element before casting
@@ -150,7 +149,7 @@ nsSVGDisplayContainerFrame::BuildDisplayList(nsDisplayListBuilder*   aBuilder,
     return;
   }
   DisplayOutline(aBuilder, aLists);
-  return BuildDisplayListForNonBlockChildren(aBuilder, aDirtyRect, aLists);
+  return BuildDisplayListForNonBlockChildren(aBuilder, aLists);
 }
 
 void
diff --git a/layout/svg/nsSVGContainerFrame.h b/layout/svg/nsSVGContainerFrame.h
index f4a01e1559..8a6cdd7ce9 100644
--- a/layout/svg/nsSVGContainerFrame.h
+++ b/layout/svg/nsSVGContainerFrame.h
@@ -83,7 +83,6 @@ public:
   }
 
   virtual void BuildDisplayList(nsDisplayListBuilder*   aBuilder,
-                                const nsRect&           aDirtyRect,
                                 const nsDisplayListSet& aLists) override {}
 
   virtual bool ComputeCustomOverflow(nsOverflowAreas& aOverflowAreas) override;
@@ -133,7 +132,6 @@ public:
                    nsIFrame*         aPrevInFlow) override;
 
   virtual void BuildDisplayList(nsDisplayListBuilder*   aBuilder,
-                                const nsRect&           aDirtyRect,
                                 const nsDisplayListSet& aLists) override;
 
   virtual bool IsSVGTransformed(Matrix *aOwnTransform = nullptr,
diff --git a/layout/svg/nsSVGFilterFrame.h b/layout/svg/nsSVGFilterFrame.h
index 223c787f6e..f2f3215224 100644
--- a/layout/svg/nsSVGFilterFrame.h
+++ b/layout/svg/nsSVGFilterFrame.h
@@ -45,7 +45,6 @@ public:
 
   // nsIFrame methods:
   virtual void BuildDisplayList(nsDisplayListBuilder*   aBuilder,
-                                const nsRect&           aDirtyRect,
                                 const nsDisplayListSet& aLists) override {}
 
   virtual nsresult AttributeChanged(int32_t         aNameSpaceID,
diff --git a/layout/svg/nsSVGForeignObjectFrame.cpp b/layout/svg/nsSVGForeignObjectFrame.cpp
index afa5912d2c..f8584a4f1e 100644
--- a/layout/svg/nsSVGForeignObjectFrame.cpp
+++ b/layout/svg/nsSVGForeignObjectFrame.cpp
@@ -163,14 +163,13 @@ nsSVGForeignObjectFrame::Reflow(nsPresContext*           aPresContext,
 
 void
 nsSVGForeignObjectFrame::BuildDisplayList(nsDisplayListBuilder*   aBuilder,
-                                          const nsRect&           aDirtyRect,
                                           const nsDisplayListSet& aLists)
 {
   if (!static_cast<const nsSVGElement*>(mContent)->HasValidDimensions()) {
     return;
   }
   DisplayOutline(aBuilder, aLists);
-  BuildDisplayListForNonBlockChildren(aBuilder, aDirtyRect, aLists);
+  BuildDisplayListForNonBlockChildren(aBuilder, aLists);
 }
 
 bool
diff --git a/layout/svg/nsSVGForeignObjectFrame.h b/layout/svg/nsSVGForeignObjectFrame.h
index 57df6d5b5b..4bb94bdab4 100644
--- a/layout/svg/nsSVGForeignObjectFrame.h
+++ b/layout/svg/nsSVGForeignObjectFrame.h
@@ -47,7 +47,6 @@ public:
                       nsReflowStatus&          aStatus) override;
 
   virtual void BuildDisplayList(nsDisplayListBuilder*   aBuilder,
-                                const nsRect&           aDirtyRect,
                                 const nsDisplayListSet& aLists) override;
 
   /**
diff --git a/layout/svg/nsSVGMarkerFrame.h b/layout/svg/nsSVGMarkerFrame.h
index 22ac017090..187aed1403 100644
--- a/layout/svg/nsSVGMarkerFrame.h
+++ b/layout/svg/nsSVGMarkerFrame.h
@@ -52,7 +52,6 @@ public:
 #endif
 
   virtual void BuildDisplayList(nsDisplayListBuilder*   aBuilder,
-                                const nsRect&           aDirtyRect,
                                 const nsDisplayListSet& aLists) override {}
 
   virtual nsresult AttributeChanged(int32_t         aNameSpaceID,
diff --git a/layout/svg/nsSVGMaskFrame.h b/layout/svg/nsSVGMaskFrame.h
index 380306a481..2a9486fa58 100644
--- a/layout/svg/nsSVGMaskFrame.h
+++ b/layout/svg/nsSVGMaskFrame.h
@@ -73,7 +73,6 @@ public:
 #endif
 
   virtual void BuildDisplayList(nsDisplayListBuilder*   aBuilder,
-                                const nsRect&           aDirtyRect,
                                 const nsDisplayListSet& aLists) override {}
 
   /**
diff --git a/layout/svg/nsSVGOuterSVGFrame.cpp b/layout/svg/nsSVGOuterSVGFrame.cpp
index 306b3de7a8..16dfc2b37a 100644
--- a/layout/svg/nsSVGOuterSVGFrame.cpp
+++ b/layout/svg/nsSVGOuterSVGFrame.cpp
@@ -734,7 +734,6 @@ nsSVGOuterSVGFrame::AttributeChanged(int32_t  aNameSpaceID,
 
 void
 nsSVGOuterSVGFrame::BuildDisplayList(nsDisplayListBuilder*   aBuilder,
-                                     const nsRect&           aDirtyRect,
                                      const nsDisplayListSet& aLists)
 {
   if (GetStateBits() & NS_FRAME_IS_NONDISPLAY) {
@@ -758,7 +757,7 @@ nsSVGOuterSVGFrame::BuildDisplayList(nsDisplayListBuilder*   aBuilder,
     nsDisplayList *contentList = aLists.Content();
     nsDisplayListSet set(contentList, contentList, contentList,
                          contentList, contentList, contentList);
-    BuildDisplayListForNonBlockChildren(aBuilder, aDirtyRect, set);
+    BuildDisplayListForNonBlockChildren(aBuilder, set);
   } else if (IsVisibleForPainting(aBuilder) || !aBuilder->IsForPainting()) {
     aLists.Content()->AppendNewToTop(
       new (aBuilder) nsDisplayOuterSVG(aBuilder, this));
diff --git a/layout/svg/nsSVGOuterSVGFrame.h b/layout/svg/nsSVGOuterSVGFrame.h
index 6d29234acc..ee59b7d1c5 100644
--- a/layout/svg/nsSVGOuterSVGFrame.h
+++ b/layout/svg/nsSVGOuterSVGFrame.h
@@ -66,7 +66,6 @@ public:
   virtual void UnionChildOverflow(nsOverflowAreas& aOverflowAreas) override;
 
   virtual void BuildDisplayList(nsDisplayListBuilder*   aBuilder,
-                                const nsRect&           aDirtyRect,
                                 const nsDisplayListSet& aLists) override;
 
   virtual void Init(nsIContent*       aContent,
diff --git a/layout/svg/nsSVGPaintServerFrame.h b/layout/svg/nsSVGPaintServerFrame.h
index 6b568f8727..ff2c6f8b47 100644
--- a/layout/svg/nsSVGPaintServerFrame.h
+++ b/layout/svg/nsSVGPaintServerFrame.h
@@ -58,7 +58,6 @@ public:
 
   // nsIFrame methods:
   virtual void BuildDisplayList(nsDisplayListBuilder*   aBuilder,
-                                const nsRect&           aDirtyRect,
                                 const nsDisplayListSet& aLists) override {}
 
   virtual bool IsFrameOfType(uint32_t aFlags) const override
diff --git a/layout/svg/nsSVGPathGeometryFrame.cpp b/layout/svg/nsSVGPathGeometryFrame.cpp
index 32cd0e4965..50eec2b922 100644
--- a/layout/svg/nsSVGPathGeometryFrame.cpp
+++ b/layout/svg/nsSVGPathGeometryFrame.cpp
@@ -259,7 +259,6 @@ nsSVGPathGeometryFrame::IsSVGTransformed(gfx::Matrix *aOwnTransform,
 
 void
 nsSVGPathGeometryFrame::BuildDisplayList(nsDisplayListBuilder*   aBuilder,
-                                         const nsRect&           aDirtyRect,
                                          const nsDisplayListSet& aLists)
 {
   if (!static_cast<const nsSVGElement*>(mContent)->HasValidDimensions() ||
diff --git a/layout/svg/nsSVGPathGeometryFrame.h b/layout/svg/nsSVGPathGeometryFrame.h
index 6b7c75d97c..d2d63f0439 100644
--- a/layout/svg/nsSVGPathGeometryFrame.h
+++ b/layout/svg/nsSVGPathGeometryFrame.h
@@ -88,7 +88,6 @@ public:
 #endif
 
   virtual void BuildDisplayList(nsDisplayListBuilder*   aBuilder,
-                                const nsRect&           aDirtyRect,
                                 const nsDisplayListSet& aLists) override;
 
   // nsSVGPathGeometryFrame methods
diff --git a/layout/svg/nsSVGStopFrame.cpp b/layout/svg/nsSVGStopFrame.cpp
index 1b75fa1028..28875ad253 100644
--- a/layout/svg/nsSVGStopFrame.cpp
+++ b/layout/svg/nsSVGStopFrame.cpp
@@ -36,7 +36,6 @@ public:
 #endif
 
   void BuildDisplayList(nsDisplayListBuilder*   aBuilder,
-                        const nsRect&           aDirtyRect,
                         const nsDisplayListSet& aLists) override {}
 
   virtual nsresult AttributeChanged(int32_t         aNameSpaceID,
diff --git a/layout/svg/nsSVGSwitchFrame.cpp b/layout/svg/nsSVGSwitchFrame.cpp
index e680432284..3b71ff3fbc 100644
--- a/layout/svg/nsSVGSwitchFrame.cpp
+++ b/layout/svg/nsSVGSwitchFrame.cpp
@@ -45,7 +45,6 @@ public:
 #endif
 
   virtual void BuildDisplayList(nsDisplayListBuilder*   aBuilder,
-                                const nsRect&           aDirtyRect,
                                 const nsDisplayListSet& aLists) override;
 
   // nsISVGChildFrame interface:
@@ -94,12 +93,11 @@ nsSVGSwitchFrame::GetType() const
 
 void
 nsSVGSwitchFrame::BuildDisplayList(nsDisplayListBuilder*   aBuilder,
-                                   const nsRect&           aDirtyRect,
                                    const nsDisplayListSet& aLists)
 {
   nsIFrame* kid = GetActiveChildFrame();
   if (kid) {
-    BuildDisplayListForChild(aBuilder, kid, aDirtyRect, aLists);
+    BuildDisplayListForChild(aBuilder, kid, aLists);
   }
 }
 
diff --git a/layout/tables/nsTableCellFrame.cpp b/layout/tables/nsTableCellFrame.cpp
index 8b811df1e3..64e7d2cfe6 100644
--- a/layout/tables/nsTableCellFrame.cpp
+++ b/layout/tables/nsTableCellFrame.cpp
@@ -450,7 +450,6 @@ nsTableCellFrame::ShouldPaintBackground(nsDisplayListBuilder* aBuilder)
 
 void
 nsTableCellFrame::BuildDisplayList(nsDisplayListBuilder*   aBuilder,
-                                   const nsRect&           aDirtyRect,
                                    const nsDisplayListSet& aLists)
 {
   DO_GLOBAL_REFLOW_COUNT_DSP("nsTableCellFrame");
@@ -506,7 +505,7 @@ nsTableCellFrame::BuildDisplayList(nsDisplayListBuilder*   aBuilder,
   // because that/ would put the child's background in the Content() list
   // which isn't right (e.g., would end up on top of our child floats for
   // event handling).
-  BuildDisplayListForChild(aBuilder, kid, aDirtyRect, aLists);
+  BuildDisplayListForChild(aBuilder, kid, aLists);
 }
 
 nsIFrame::LogicalSides
diff --git a/layout/tables/nsTableCellFrame.h b/layout/tables/nsTableCellFrame.h
index f626a45b0c..a822e309da 100644
--- a/layout/tables/nsTableCellFrame.h
+++ b/layout/tables/nsTableCellFrame.h
@@ -104,7 +104,6 @@ public:
   virtual bool NeedsToObserve(const ReflowInput& aReflowInput) override;
 
   virtual void BuildDisplayList(nsDisplayListBuilder*   aBuilder,
-                                const nsRect&           aDirtyRect,
                                 const nsDisplayListSet& aLists) override;
 
   virtual nsresult ProcessBorders(nsTableFrame* aFrame,
diff --git a/layout/tables/nsTableColFrame.cpp b/layout/tables/nsTableColFrame.cpp
index 54b03522b0..659f0fd352 100644
--- a/layout/tables/nsTableColFrame.cpp
+++ b/layout/tables/nsTableColFrame.cpp
@@ -110,10 +110,9 @@ nsTableColFrame::Reflow(nsPresContext*          aPresContext,
 
 void
 nsTableColFrame::BuildDisplayList(nsDisplayListBuilder*   aBuilder,
-                                  const nsRect&           aDirtyRect,
                                   const nsDisplayListSet& aLists)
 {
-  nsTableFrame::DisplayGenericTablePart(aBuilder, this, aDirtyRect, aLists);
+  nsTableFrame::DisplayGenericTablePart(aBuilder, this, aLists);
 }
 
 int32_t nsTableColFrame::GetSpan()
diff --git a/layout/tables/nsTableColFrame.h b/layout/tables/nsTableColFrame.h
index fb989061f7..ed6a843b67 100644
--- a/layout/tables/nsTableColFrame.h
+++ b/layout/tables/nsTableColFrame.h
@@ -60,7 +60,6 @@ public:
                       nsReflowStatus&          aStatus) override;
 
   virtual void BuildDisplayList(nsDisplayListBuilder*   aBuilder,
-                                const nsRect&           aDirtyRect,
                                 const nsDisplayListSet& aLists) override;
 
   /**
diff --git a/layout/tables/nsTableColGroupFrame.cpp b/layout/tables/nsTableColGroupFrame.cpp
index 6ee7f0b242..7327834289 100644
--- a/layout/tables/nsTableColGroupFrame.cpp
+++ b/layout/tables/nsTableColGroupFrame.cpp
@@ -385,10 +385,9 @@ nsTableColGroupFrame::Reflow(nsPresContext*          aPresContext,
 
 void
 nsTableColGroupFrame::BuildDisplayList(nsDisplayListBuilder*   aBuilder,
-                                       const nsRect&           aDirtyRect,
                                        const nsDisplayListSet& aLists)
 {
-  nsTableFrame::DisplayGenericTablePart(aBuilder, this, aDirtyRect, aLists);
+  nsTableFrame::DisplayGenericTablePart(aBuilder, this, aLists);
 }
 
 nsTableColFrame * nsTableColGroupFrame::GetFirstColumn()
diff --git a/layout/tables/nsTableColGroupFrame.h b/layout/tables/nsTableColGroupFrame.h
index b3dfb94e77..88ed67c2ad 100644
--- a/layout/tables/nsTableColGroupFrame.h
+++ b/layout/tables/nsTableColGroupFrame.h
@@ -44,7 +44,6 @@ public:
   }
 
   virtual void BuildDisplayList(nsDisplayListBuilder*   aBuilder,
-                                const nsRect&           aDirtyRect,
                                 const nsDisplayListSet& aLists) override;
 
   /** A colgroup can be caused by three things:
diff --git a/layout/tables/nsTableFrame.cpp b/layout/tables/nsTableFrame.cpp
index 648fa7ddf7..99838f217f 100644
--- a/layout/tables/nsTableFrame.cpp
+++ b/layout/tables/nsTableFrame.cpp
@@ -1165,7 +1165,7 @@ nsDisplayTableBorderCollapse::Paint(nsDisplayListBuilder* aBuilder,
 
 /* static */ void
 nsTableFrame::GenericTraversal(nsDisplayListBuilder* aBuilder, nsFrame* aFrame,
-                               const nsRect& aDirtyRect, const nsDisplayListSet& aLists)
+                               const nsDisplayListSet& aLists)
 {
   // This is similar to what nsContainerFrame::BuildDisplayListForNonBlockChildren
   // does, except that we allow the children's background and borders to go
@@ -1176,11 +1176,11 @@ nsTableFrame::GenericTraversal(nsDisplayListBuilder* aBuilder, nsFrame* aFrame,
   // BorderBackground list anyway. It does affect cell borders though; this
   // lets us get cell borders into the nsTableFrame's BorderBackground list.
   for (nsIFrame* kid : aFrame->GetChildList(kColGroupList)) {
-    aFrame->BuildDisplayListForChild(aBuilder, kid, aDirtyRect, aLists);
+    aFrame->BuildDisplayListForChild(aBuilder, kid, aLists);
   }
 
   for (nsIFrame* kid : aFrame->PrincipalChildList()) {
-    aFrame->BuildDisplayListForChild(aBuilder, kid, aDirtyRect, aLists);
+    aFrame->BuildDisplayListForChild(aBuilder, kid, aLists);
   }
 }
 
@@ -1189,7 +1189,6 @@ PaintRowBackground(nsTableRowFrame* aRow,
                    nsIFrame* aFrame,
                    nsDisplayListBuilder* aBuilder,
                    const nsDisplayListSet& aLists,
-                   const nsRect& aDirtyRect,
                    const nsPoint& aOffset = nsPoint())
 {
   // Compute background rect by iterating over all cell frames.
@@ -1199,7 +1198,7 @@ PaintRowBackground(nsTableRowFrame* aRow,
     }
 
     auto cellRect = cell->GetRectRelativeToSelf() + cell->GetNormalPosition() + aOffset;
-    if (!aDirtyRect.Intersects(cellRect)) {
+    if (!aBuilder->GetDirtyRect().Intersects(cellRect)) {
       continue;
     }
     nsDisplayBackgroundImage::AppendBackgroundItemsToTop(aBuilder, aFrame, cellRect,
@@ -1214,14 +1213,14 @@ static void
 PaintRowGroupBackground(nsTableRowGroupFrame* aRowGroup,
                         nsIFrame* aFrame,
                         nsDisplayListBuilder* aBuilder,
-                        const nsDisplayListSet& aLists,
-                        const nsRect& aDirtyRect)
+                        const nsDisplayListSet& aLists)
 {
   for (nsTableRowFrame* row = aRowGroup->GetFirstRow(); row; row = row->GetNextRow()) {
-    if (!aDirtyRect.Intersects(nsRect(row->GetNormalPosition(), row->GetSize()))) {
+    if (!aBuilder->GetDirtyRect().Intersects(nsRect(row->GetNormalPosition(),
+                                                    row->GetSize()))) {
       continue;
     }
-    PaintRowBackground(row, aFrame, aBuilder, aLists, aDirtyRect, row->GetNormalPosition());
+    PaintRowBackground(row, aFrame, aBuilder, aLists, row->GetNormalPosition());
   }
 }
 
@@ -1230,7 +1229,6 @@ PaintRowGroupBackgroundByColIdx(nsTableRowGroupFrame* aRowGroup,
                                 nsIFrame* aFrame,
                                 nsDisplayListBuilder* aBuilder,
                                 const nsDisplayListSet& aLists,
-                                const nsRect& aDirtyRect,
                                 const nsTArray<uint32_t>& aColIdx,
                                 const nsPoint& aOffset)
 {
@@ -1238,7 +1236,7 @@ PaintRowGroupBackgroundByColIdx(nsTableRowGroupFrame* aRowGroup,
                         "Must be painting backgrounds for something");
   for (nsTableRowFrame* row = aRowGroup->GetFirstRow(); row; row = row->GetNextRow()) {
     auto rowPos = row->GetNormalPosition() + aOffset;
-    if (!aDirtyRect.Intersects(nsRect(rowPos, row->GetSize()))) {
+    if (!aBuilder->GetDirtyRect().Intersects(nsRect(rowPos, row->GetSize()))) {
       continue;
     }
     for (nsTableCellFrame* cell = row->GetFirstCell(); cell; cell = cell->GetNextCell()) {
@@ -1258,7 +1256,7 @@ PaintRowGroupBackgroundByColIdx(nsTableRowGroupFrame* aRowGroup,
 
         auto cellPos = cell->GetNormalPosition() + rowPos;
         auto cellRect = nsRect(cellPos, cell->GetSize());
-        if (!aDirtyRect.Intersects(cellRect)) {
+        if (!aBuilder->GetDirtyRect().Intersects(cellRect)) {
           continue;
         }
         nsDisplayBackgroundImage::AppendBackgroundItemsToTop(aBuilder, aFrame, cellRect,
@@ -1341,7 +1339,6 @@ void nsTableFrame::CalcHasBCBorders()
 /* static */ void
 nsTableFrame::DisplayGenericTablePart(nsDisplayListBuilder* aBuilder,
                                       nsFrame* aFrame,
-                                      const nsRect& aDirtyRect,
                                       const nsDisplayListSet& aLists,
                                       DisplayGenericTablePartTraversal aTraversal)
 {
@@ -1374,10 +1371,10 @@ nsTableFrame::DisplayGenericTablePart(nsDisplayListBuilder* aBuilder,
   // See spec at https://drafts.csswg.org/css-tables-3/#drawing-cell-backgrounds
   if (aFrame->GetType() == nsGkAtoms::tableRowGroupFrame) {
     nsTableRowGroupFrame* rowGroup = static_cast<nsTableRowGroupFrame*>(aFrame);
-    PaintRowGroupBackground(rowGroup, aFrame, aBuilder, aLists, aDirtyRect);
+    PaintRowGroupBackground(rowGroup, aFrame, aBuilder, aLists);
   } else if (aFrame->GetType() == nsGkAtoms::tableRowFrame) {
     nsTableRowFrame* row = static_cast<nsTableRowFrame*>(aFrame);
-    PaintRowBackground(row, aFrame, aBuilder, aLists, aDirtyRect);
+    PaintRowBackground(row, aFrame, aBuilder, aLists);
   } else if (aFrame->GetType() == nsGkAtoms::tableColGroupFrame) {
     // Compute background rect by iterating all cell frame.
     nsTableColGroupFrame* colGroup = static_cast<nsTableColGroupFrame*>(aFrame);
@@ -1396,10 +1393,10 @@ nsTableFrame::DisplayGenericTablePart(nsDisplayListBuilder* aBuilder,
       table->OrderRowGroups(rowGroups);
       for (nsTableRowGroupFrame* rowGroup : rowGroups) {
         auto offset = rowGroup->GetNormalPosition() - colGroup->GetNormalPosition();
-        if (!aDirtyRect.Intersects(nsRect(offset, rowGroup->GetSize()))) {
+        if (!aBuilder->GetDirtyRect().Intersects(nsRect(offset, rowGroup->GetSize()))) {
           continue;
         }
-      PaintRowGroupBackgroundByColIdx(rowGroup, aFrame, aBuilder, aLists, aDirtyRect, colIdx, offset);
+      PaintRowGroupBackgroundByColIdx(rowGroup, aFrame, aBuilder, aLists, colIdx, offset);
       }
     }
   } else if (aFrame->GetType() == nsGkAtoms::tableColFrame) {
@@ -1415,10 +1412,10 @@ nsTableFrame::DisplayGenericTablePart(nsDisplayListBuilder* aBuilder,
       auto offset = rowGroup->GetNormalPosition() -
                     col->GetNormalPosition() -
                     col->GetTableColGroupFrame()->GetNormalPosition();
-      if (!aDirtyRect.Intersects(nsRect(offset, rowGroup->GetSize()))) {
+      if (!aBuilder->GetDirtyRect().Intersects(nsRect(offset, rowGroup->GetSize()))) {
         continue;
       }
-      PaintRowGroupBackgroundByColIdx(rowGroup, aFrame, aBuilder, aLists, aDirtyRect, colIdx, offset);
+      PaintRowGroupBackgroundByColIdx(rowGroup, aFrame, aBuilder, aLists, colIdx, offset);
     }
   } else if (isVisible) {
     nsDisplayBackgroundImage::AppendBackgroundItemsToTop(aBuilder, aFrame,
@@ -1438,7 +1435,7 @@ nsTableFrame::DisplayGenericTablePart(nsDisplayListBuilder* aBuilder,
     }
   }
 
-  aTraversal(aBuilder, aFrame, aDirtyRect, aLists);
+  aTraversal(aBuilder, aFrame, aLists);
 
   if (isVisible) {
     if (isTable) {
@@ -1466,12 +1463,11 @@ nsTableFrame::DisplayGenericTablePart(nsDisplayListBuilder* aBuilder,
 // SEC: TODO: adjust the rect for captions
 void
 nsTableFrame::BuildDisplayList(nsDisplayListBuilder*   aBuilder,
-                               const nsRect&           aDirtyRect,
                                const nsDisplayListSet& aLists)
 {
   DO_GLOBAL_REFLOW_COUNT_DSP_COLOR("nsTableFrame", NS_RGB(255,128,255));
 
-  DisplayGenericTablePart(aBuilder, this, aDirtyRect, aLists);
+  DisplayGenericTablePart(aBuilder, this, aLists);
 }
 
 nsMargin
diff --git a/layout/tables/nsTableFrame.h b/layout/tables/nsTableFrame.h
index d739faa72b..8a23841345 100644
--- a/layout/tables/nsTableFrame.h
+++ b/layout/tables/nsTableFrame.h
@@ -231,9 +231,9 @@ public:
 
   typedef void (* DisplayGenericTablePartTraversal)
       (nsDisplayListBuilder* aBuilder, nsFrame* aFrame,
-       const nsRect& aDirtyRect, const nsDisplayListSet& aLists);
+       const nsDisplayListSet& aLists);
   static void GenericTraversal(nsDisplayListBuilder* aBuilder, nsFrame* aFrame,
-                               const nsRect& aDirtyRect, const nsDisplayListSet& aLists);
+                               const nsDisplayListSet& aLists);
 
   /**
    * Helper method to handle display common to table frames, rowgroup frames
@@ -248,7 +248,6 @@ public:
    */
   static void DisplayGenericTablePart(nsDisplayListBuilder* aBuilder,
                                       nsFrame* aFrame,
-                                      const nsRect& aDirtyRect,
                                       const nsDisplayListSet& aLists,
                                       DisplayGenericTablePartTraversal aTraversal = GenericTraversal);
 
@@ -268,7 +267,6 @@ public:
   virtual void GetChildLists(nsTArray<ChildList>* aLists) const override;
 
   virtual void BuildDisplayList(nsDisplayListBuilder*   aBuilder,
-                                const nsRect&           aDirtyRect,
                                 const nsDisplayListSet& aLists) override;
 
   /** Get the outer half (i.e., the part outside the height and width of
diff --git a/layout/tables/nsTableRowFrame.cpp b/layout/tables/nsTableRowFrame.cpp
index 02b85a141f..685f4fdeae 100644
--- a/layout/tables/nsTableRowFrame.cpp
+++ b/layout/tables/nsTableRowFrame.cpp
@@ -551,10 +551,9 @@ nsTableRowFrame::CalcBSize(const ReflowInput& aReflowInput)
 
 void
 nsTableRowFrame::BuildDisplayList(nsDisplayListBuilder*   aBuilder,
-                                  const nsRect&           aDirtyRect,
                                   const nsDisplayListSet& aLists)
 {
-  nsTableFrame::DisplayGenericTablePart(aBuilder, this, aDirtyRect, aLists);
+  nsTableFrame::DisplayGenericTablePart(aBuilder, this, aLists);
 }
 
 nsIFrame::LogicalSides
diff --git a/layout/tables/nsTableRowFrame.h b/layout/tables/nsTableRowFrame.h
index c53c81ff10..350b4f6f76 100644
--- a/layout/tables/nsTableRowFrame.h
+++ b/layout/tables/nsTableRowFrame.h
@@ -79,7 +79,6 @@ public:
   virtual nsMargin GetUsedPadding() const override;
 
   virtual void BuildDisplayList(nsDisplayListBuilder*   aBuilder,
-                                const nsRect&           aDirtyRect,
                                 const nsDisplayListSet& aLists) override;
 
   // Implemented in nsTableCellFrame.h, because it needs to know about the
diff --git a/layout/tables/nsTableRowGroupFrame.cpp b/layout/tables/nsTableRowGroupFrame.cpp
index 37f577f5ca..1b7f029c89 100644
--- a/layout/tables/nsTableRowGroupFrame.cpp
+++ b/layout/tables/nsTableRowGroupFrame.cpp
@@ -156,7 +156,7 @@ nsTableRowGroupFrame::InitRepeatedFrame(nsTableRowGroupFrame* aHeaderFooterFrame
 // Handle the child-traversal part of DisplayGenericTablePart
 static void
 DisplayRows(nsDisplayListBuilder* aBuilder, nsFrame* aFrame,
-            const nsRect& aDirtyRect, const nsDisplayListSet& aLists)
+            const nsDisplayListSet& aLists)
 {
   nscoord overflowAbove;
   nsTableRowGroupFrame* f = static_cast<nsTableRowGroupFrame*>(aFrame);
@@ -169,15 +169,15 @@ DisplayRows(nsDisplayListBuilder* aBuilder, nsFrame* aFrame,
   // approximate it by checking it for |f|: if it's true for any row
   // in |f| then it's true for |f| itself.
   nsIFrame* kid = aBuilder->ShouldDescendIntoFrame(f) ?
-    nullptr : f->GetFirstRowContaining(aDirtyRect.y, &overflowAbove);
+    nullptr : f->GetFirstRowContaining(aBuilder->GetDirtyRect().y, &overflowAbove);
 
   if (kid) {
     // If we have a cursor, use it
     while (kid) {
-      if (kid->GetRect().y - overflowAbove >= aDirtyRect.YMost()) {
+      if (kid->GetRect().y - overflowAbove >= aBuilder->GetDirtyRect().YMost()) {
         break;
       }
-      f->BuildDisplayListForChild(aBuilder, kid, aDirtyRect, aLists);
+      f->BuildDisplayListForChild(aBuilder, kid, aLists);
       kid = kid->GetNextSibling();
     }
     return;
@@ -187,7 +187,7 @@ DisplayRows(nsDisplayListBuilder* aBuilder, nsFrame* aFrame,
   nsTableRowGroupFrame::FrameCursorData* cursor = f->SetupRowCursor();
   kid = f->PrincipalChildList().FirstChild();
   while (kid) {
-    f->BuildDisplayListForChild(aBuilder, kid, aDirtyRect, aLists);
+    f->BuildDisplayListForChild(aBuilder, kid, aLists);
 
     if (cursor) {
       if (!cursor->AppendFrame(kid)) {
@@ -205,10 +205,9 @@ DisplayRows(nsDisplayListBuilder* aBuilder, nsFrame* aFrame,
 
 void
 nsTableRowGroupFrame::BuildDisplayList(nsDisplayListBuilder*   aBuilder,
-                                       const nsRect&           aDirtyRect,
                                        const nsDisplayListSet& aLists)
 {
-  nsTableFrame::DisplayGenericTablePart(aBuilder, this, aDirtyRect,
+  nsTableFrame::DisplayGenericTablePart(aBuilder, this,
                                         aLists, DisplayRows);
 }
 
diff --git a/layout/tables/nsTableRowGroupFrame.h b/layout/tables/nsTableRowGroupFrame.h
index 721d910465..eb9f6205e2 100644
--- a/layout/tables/nsTableRowGroupFrame.h
+++ b/layout/tables/nsTableRowGroupFrame.h
@@ -75,7 +75,6 @@ public:
   virtual nsMargin GetUsedPadding() const override;
 
   virtual void BuildDisplayList(nsDisplayListBuilder*   aBuilder,
-                                const nsRect&           aDirtyRect,
                                 const nsDisplayListSet& aLists) override;
 
    /** calls Reflow for all of its child rows.
diff --git a/layout/tables/nsTableWrapperFrame.cpp b/layout/tables/nsTableWrapperFrame.cpp
index da71375d5d..043522fb27 100644
--- a/layout/tables/nsTableWrapperFrame.cpp
+++ b/layout/tables/nsTableWrapperFrame.cpp
@@ -168,7 +168,6 @@ nsTableWrapperFrame::RemoveFrame(ChildListID  aListID,
 
 void
 nsTableWrapperFrame::BuildDisplayList(nsDisplayListBuilder*   aBuilder,
-                                      const nsRect&           aDirtyRect,
                                       const nsDisplayListSet& aLists)
 {
   // No border, background or outline are painted because they all belong
@@ -177,16 +176,15 @@ nsTableWrapperFrame::BuildDisplayList(nsDisplayListBuilder*   aBuilder,
   // If there's no caption, take a short cut to avoid having to create
   // the special display list set and then sort it.
   if (mCaptionFrames.IsEmpty()) {
-    BuildDisplayListForInnerTable(aBuilder, aDirtyRect, aLists);
+    BuildDisplayListForInnerTable(aBuilder, aLists);
     return;
   }
 
   nsDisplayListCollection set;
-  BuildDisplayListForInnerTable(aBuilder, aDirtyRect, set);
+  BuildDisplayListForInnerTable(aBuilder, set);
   
   nsDisplayListSet captionSet(set, set.BlockBorderBackgrounds());
-  BuildDisplayListForChild(aBuilder, mCaptionFrames.FirstChild(),
-                           aDirtyRect, captionSet);
+  BuildDisplayListForChild(aBuilder, mCaptionFrames.FirstChild(), captionSet);
 
   // Now we have to sort everything by content order, since the caption
   // may be somewhere inside the table
@@ -200,7 +198,6 @@ nsTableWrapperFrame::BuildDisplayList(nsDisplayListBuilder*   aBuilder,
 
 void
 nsTableWrapperFrame::BuildDisplayListForInnerTable(nsDisplayListBuilder*   aBuilder,
-                                                   const nsRect&           aDirtyRect,
                                                    const nsDisplayListSet& aLists)
 {
   // Just paint the regular children, but the children's background is our
@@ -208,7 +205,7 @@ nsTableWrapperFrame::BuildDisplayListForInnerTable(nsDisplayListBuilder*   aBuil
   nsIFrame* kid = mFrames.FirstChild();
   // The children should be in content order
   while (kid) {
-    BuildDisplayListForChild(aBuilder, kid, aDirtyRect, aLists);
+    BuildDisplayListForChild(aBuilder, kid, aLists);
     kid = kid->GetNextSibling();
   }
 }
diff --git a/layout/tables/nsTableWrapperFrame.h b/layout/tables/nsTableWrapperFrame.h
index 45d7c33e41..8095c7fc45 100644
--- a/layout/tables/nsTableWrapperFrame.h
+++ b/layout/tables/nsTableWrapperFrame.h
@@ -59,11 +59,9 @@ public:
 #endif
 
   virtual void BuildDisplayList(nsDisplayListBuilder*   aBuilder,
-                                const nsRect&           aDirtyRect,
                                 const nsDisplayListSet& aLists) override;
 
   void BuildDisplayListForInnerTable(nsDisplayListBuilder*   aBuilder,
-                                     const nsRect&           aDirtyRect,
                                      const nsDisplayListSet& aLists);
 
   virtual nscoord GetLogicalBaseline(mozilla::WritingMode aWritingMode) const override;
diff --git a/layout/xul/nsBoxFrame.cpp b/layout/xul/nsBoxFrame.cpp
index 9ca351d945..131f3afc77 100644
--- a/layout/xul/nsBoxFrame.cpp
+++ b/layout/xul/nsBoxFrame.cpp
@@ -1310,7 +1310,6 @@ PaintXULDebugBackground(nsIFrame* aFrame, DrawTarget* aDrawTarget,
 
 void
 nsBoxFrame::BuildDisplayList(nsDisplayListBuilder*   aBuilder,
-                             const nsRect&           aDirtyRect,
                              const nsDisplayListSet& aLists)
 {
   bool forceLayer = false;
@@ -1344,7 +1343,7 @@ nsBoxFrame::BuildDisplayList(nsDisplayListBuilder*   aBuilder,
   }
 #endif
 
-  BuildDisplayListForChildren(aBuilder, aDirtyRect, destination);
+  BuildDisplayListForChildren(aBuilder, destination);
 
   // see if we have to draw a selection frame around this container
   DisplaySelectionOverlay(aBuilder, destination.Content());
@@ -1370,7 +1369,6 @@ nsBoxFrame::BuildDisplayList(nsDisplayListBuilder*   aBuilder,
 
 void
 nsBoxFrame::BuildDisplayListForChildren(nsDisplayListBuilder*   aBuilder,
-                                        const nsRect&           aDirtyRect,
                                         const nsDisplayListSet& aLists)
 {
   nsIFrame* kid = mFrames.FirstChild();
@@ -1379,7 +1377,7 @@ nsBoxFrame::BuildDisplayListForChildren(nsDisplayListBuilder*   aBuilder,
   nsDisplayListSet set(aLists, aLists.BlockBorderBackgrounds());
   // The children should be in the right order
   while (kid) {
-    BuildDisplayListForChild(aBuilder, kid, aDirtyRect, set);
+    BuildDisplayListForChild(aBuilder, kid, set);
     kid = kid->GetNextSibling();
   }
 }
diff --git a/layout/xul/nsBoxFrame.h b/layout/xul/nsBoxFrame.h
index ad405222fb..7b15f4f5ea 100644
--- a/layout/xul/nsBoxFrame.h
+++ b/layout/xul/nsBoxFrame.h
@@ -148,11 +148,9 @@ public:
   // virtual so nsStackFrame, nsButtonBoxFrame, nsSliderFrame and nsMenuFrame
   // can override it
   virtual void BuildDisplayListForChildren(nsDisplayListBuilder*   aBuilder,
-                                           const nsRect&           aDirtyRect,
                                            const nsDisplayListSet& aLists);
 
   virtual void BuildDisplayList(nsDisplayListBuilder*   aBuilder,
-                                const nsRect&           aDirtyRect,
                                 const nsDisplayListSet& aLists) override;
   
 #ifdef DEBUG_LAYOUT
diff --git a/layout/xul/nsButtonBoxFrame.cpp b/layout/xul/nsButtonBoxFrame.cpp
index e69c919292..ba0b7fb2ab 100644
--- a/layout/xul/nsButtonBoxFrame.cpp
+++ b/layout/xul/nsButtonBoxFrame.cpp
@@ -92,13 +92,12 @@ nsButtonBoxFrame::DestroyFrom(nsIFrame* aDestructRoot)
 
 void
 nsButtonBoxFrame::BuildDisplayListForChildren(nsDisplayListBuilder*   aBuilder,
-                                              const nsRect&           aDirtyRect,
                                               const nsDisplayListSet& aLists)
 {
   // override, since we don't want children to get events
   if (aBuilder->IsForEventDelivery())
     return;
-  nsBoxFrame::BuildDisplayListForChildren(aBuilder, aDirtyRect, aLists);
+  nsBoxFrame::BuildDisplayListForChildren(aBuilder, aLists);
 }
 
 nsresult
diff --git a/layout/xul/nsButtonBoxFrame.h b/layout/xul/nsButtonBoxFrame.h
index e9bfd99a50..0dc8b517f1 100644
--- a/layout/xul/nsButtonBoxFrame.h
+++ b/layout/xul/nsButtonBoxFrame.h
@@ -23,7 +23,6 @@ public:
                     nsIFrame*         aPrevInFlow) override;
 
   virtual void BuildDisplayListForChildren(nsDisplayListBuilder*   aBuilder,
-                                           const nsRect&           aDirtyRect,
                                            const nsDisplayListSet& aLists) override;
 
   virtual void DestroyFrom(nsIFrame* aDestructRoot) override;
diff --git a/layout/xul/nsDeckFrame.cpp b/layout/xul/nsDeckFrame.cpp
index b0c0296b2e..91359c177a 100644
--- a/layout/xul/nsDeckFrame.cpp
+++ b/layout/xul/nsDeckFrame.cpp
@@ -145,14 +145,13 @@ nsDeckFrame::GetSelectedBox()
 
 void
 nsDeckFrame::BuildDisplayList(nsDisplayListBuilder*   aBuilder,
-                              const nsRect&           aDirtyRect,
                               const nsDisplayListSet& aLists)
 {
   // if a tab is hidden all its children are too.
   if (!StyleVisibility()->mVisible)
     return;
     
-  nsBoxFrame::BuildDisplayList(aBuilder, aDirtyRect, aLists);
+  nsBoxFrame::BuildDisplayList(aBuilder, aLists);
 }
 
 void
@@ -185,7 +184,6 @@ nsDeckFrame::RemoveFrame(ChildListID aListID,
 
 void
 nsDeckFrame::BuildDisplayListForChildren(nsDisplayListBuilder*   aBuilder,
-                                         const nsRect&           aDirtyRect,
                                          const nsDisplayListSet& aLists)
 {
   // only paint the selected box
@@ -196,7 +194,7 @@ nsDeckFrame::BuildDisplayListForChildren(nsDisplayListBuilder*   aBuilder,
   // Putting the child in the background list. This is a little weird but
   // it matches what we were doing before.
   nsDisplayListSet set(aLists, aLists.BlockBorderBackgrounds());
-  BuildDisplayListForChild(aBuilder, box, aDirtyRect, set);
+  BuildDisplayListForChild(aBuilder, box, set);
 }
 
 NS_IMETHODIMP
diff --git a/layout/xul/nsDeckFrame.h b/layout/xul/nsDeckFrame.h
index 2c7ae14451..1437452362 100644
--- a/layout/xul/nsDeckFrame.h
+++ b/layout/xul/nsDeckFrame.h
@@ -34,14 +34,12 @@ public:
   NS_IMETHOD DoXULLayout(nsBoxLayoutState& aState) override;
 
   virtual void BuildDisplayList(nsDisplayListBuilder*   aBuilder,
-                                const nsRect&           aDirtyRect,
                                 const nsDisplayListSet& aLists) override;
 
   virtual void RemoveFrame(ChildListID aListID,
                            nsIFrame* aOldFrame) override;
 
   virtual void BuildDisplayListForChildren(nsDisplayListBuilder*   aBuilder,
-                                           const nsRect&           aDirtyRect,
                                            const nsDisplayListSet& aLists) override;
                                          
   virtual void Init(nsIContent*       aContent,
diff --git a/layout/xul/nsGroupBoxFrame.cpp b/layout/xul/nsGroupBoxFrame.cpp
index 514287a24a..fcdc1d1905 100644
--- a/layout/xul/nsGroupBoxFrame.cpp
+++ b/layout/xul/nsGroupBoxFrame.cpp
@@ -28,7 +28,6 @@ public:
   virtual nsresult GetXULBorderAndPadding(nsMargin& aBorderAndPadding) override;
 
   virtual void BuildDisplayList(nsDisplayListBuilder*   aBuilder,
-                                const nsRect&           aDirtyRect,
                                 const nsDisplayListSet& aLists) override;
 
 #ifdef DEBUG_FRAME_DUMP
@@ -145,7 +144,6 @@ nsDisplayXULGroupBorder::Paint(nsDisplayListBuilder* aBuilder,
 
 void
 nsGroupBoxFrame::BuildDisplayList(nsDisplayListBuilder*   aBuilder,
-                                  const nsRect&           aDirtyRect,
                                   const nsDisplayListSet& aLists)
 {
   // Paint our background and border
@@ -159,7 +157,7 @@ nsGroupBoxFrame::BuildDisplayList(nsDisplayListBuilder*   aBuilder,
     DisplayOutline(aBuilder, aLists);
   }
 
-  BuildDisplayListForChildren(aBuilder, aDirtyRect, aLists);
+  BuildDisplayListForChildren(aBuilder, aLists);
 }
 
 nsRect
diff --git a/layout/xul/nsImageBoxFrame.cpp b/layout/xul/nsImageBoxFrame.cpp
index fd7c7becf5..e88b502ab7 100644
--- a/layout/xul/nsImageBoxFrame.cpp
+++ b/layout/xul/nsImageBoxFrame.cpp
@@ -320,10 +320,9 @@ nsImageBoxFrame::UpdateLoadFlags()
 
 void
 nsImageBoxFrame::BuildDisplayList(nsDisplayListBuilder*   aBuilder,
-                                  const nsRect&           aDirtyRect,
                                   const nsDisplayListSet& aLists)
 {
-  nsLeafBoxFrame::BuildDisplayList(aBuilder, aDirtyRect, aLists);
+  nsLeafBoxFrame::BuildDisplayList(aBuilder, aLists);
 
   if ((0 == mRect.width) || (0 == mRect.height)) {
     // Do not render when given a zero area. This avoids some useless
diff --git a/layout/xul/nsImageBoxFrame.h b/layout/xul/nsImageBoxFrame.h
index 7faccccaee..46c8d56149 100644
--- a/layout/xul/nsImageBoxFrame.h
+++ b/layout/xul/nsImageBoxFrame.h
@@ -87,7 +87,6 @@ public:
   void UpdateLoadFlags();
 
   virtual void BuildDisplayList(nsDisplayListBuilder*   aBuilder,
-                                const nsRect&           aDirtyRect,
                                 const nsDisplayListSet& aLists) override;
 
   virtual ~nsImageBoxFrame();
diff --git a/layout/xul/nsLeafBoxFrame.cpp b/layout/xul/nsLeafBoxFrame.cpp
index 6d1783c11c..8342b74854 100644
--- a/layout/xul/nsLeafBoxFrame.cpp
+++ b/layout/xul/nsLeafBoxFrame.cpp
@@ -106,7 +106,6 @@ void nsLeafBoxFrame::UpdateMouseThrough()
 
 void
 nsLeafBoxFrame::BuildDisplayList(nsDisplayListBuilder*   aBuilder,
-                                 const nsRect&           aDirtyRect,
                                  const nsDisplayListSet& aLists)
 {
   // REVIEW: GetFrameForPoint used to not report events for the background
diff --git a/layout/xul/nsLeafBoxFrame.h b/layout/xul/nsLeafBoxFrame.h
index 8aea598c83..7a63d9a796 100644
--- a/layout/xul/nsLeafBoxFrame.h
+++ b/layout/xul/nsLeafBoxFrame.h
@@ -64,7 +64,6 @@ public:
                     nsIFrame*         asPrevInFlow) override;
 
   virtual void BuildDisplayList(nsDisplayListBuilder*   aBuilder,
-                                const nsRect&           aDirtyRect,
                                 const nsDisplayListSet& aLists) override;
 
   virtual nsresult AttributeChanged(int32_t aNameSpaceID,
diff --git a/layout/xul/nsListItemFrame.cpp b/layout/xul/nsListItemFrame.cpp
index 1776f1b6cb..720df38279 100644
--- a/layout/xul/nsListItemFrame.cpp
+++ b/layout/xul/nsListItemFrame.cpp
@@ -39,7 +39,6 @@ nsListItemFrame::GetXULPrefSize(nsBoxLayoutState& aState)
 
 void
 nsListItemFrame::BuildDisplayListForChildren(nsDisplayListBuilder*   aBuilder,
-                                             const nsRect&           aDirtyRect,
                                              const nsDisplayListSet& aLists)
 {
   if (aBuilder->IsForEventDelivery()) {
@@ -48,7 +47,7 @@ nsListItemFrame::BuildDisplayListForChildren(nsDisplayListBuilder*   aBuilder,
       return;
   }
   
-  nsGridRowLeafFrame::BuildDisplayListForChildren(aBuilder, aDirtyRect, aLists);
+  nsGridRowLeafFrame::BuildDisplayListForChildren(aBuilder, aLists);
 }
 
 // Creation Routine ///////////////////////////////////////////////////////////////////////
diff --git a/layout/xul/nsListItemFrame.h b/layout/xul/nsListItemFrame.h
index 40e731efa5..aa41dbbbfd 100644
--- a/layout/xul/nsListItemFrame.h
+++ b/layout/xul/nsListItemFrame.h
@@ -20,7 +20,6 @@ public:
   // overridden so that children of listitems don't handle mouse events,
   // unless allowevents="true" is specified on the listitem
   virtual void BuildDisplayListForChildren(nsDisplayListBuilder*   aBuilder,
-                                           const nsRect&           aDirtyRect,
                                            const nsDisplayListSet& aLists) override;
 
   virtual nsSize GetXULPrefSize(nsBoxLayoutState& aState) override;
diff --git a/layout/xul/nsMenuFrame.cpp b/layout/xul/nsMenuFrame.cpp
index cb12dfc0ae..c3347486e9 100644
--- a/layout/xul/nsMenuFrame.cpp
+++ b/layout/xul/nsMenuFrame.cpp
@@ -357,16 +357,15 @@ nsMenuFrame::DestroyFrom(nsIFrame* aDestructRoot)
 
 void
 nsMenuFrame::BuildDisplayListForChildren(nsDisplayListBuilder*   aBuilder,
-                                         const nsRect&           aDirtyRect,
                                          const nsDisplayListSet& aLists)
 {
   if (!aBuilder->IsForEventDelivery()) {
-    nsBoxFrame::BuildDisplayListForChildren(aBuilder, aDirtyRect, aLists);
+    nsBoxFrame::BuildDisplayListForChildren(aBuilder, aLists);
     return;
   }
     
   nsDisplayListCollection set;
-  nsBoxFrame::BuildDisplayListForChildren(aBuilder, aDirtyRect, set);
+  nsBoxFrame::BuildDisplayListForChildren(aBuilder, set);
   
   WrapListsInRedirector(aBuilder, set, aLists);
 }
diff --git a/layout/xul/nsMenuFrame.h b/layout/xul/nsMenuFrame.h
index 1941ec69e6..43cbd0a04c 100644
--- a/layout/xul/nsMenuFrame.h
+++ b/layout/xul/nsMenuFrame.h
@@ -101,7 +101,6 @@ public:
 
   // Overridden to prevent events from going to children of the menu.
   virtual void BuildDisplayListForChildren(nsDisplayListBuilder*   aBuilder,
-                                           const nsRect&           aDirtyRect,
                                            const nsDisplayListSet& aLists) override;
                                          
   // this method can destroy the frame
diff --git a/layout/xul/nsRootBoxFrame.cpp b/layout/xul/nsRootBoxFrame.cpp
index fe41dce527..3e7515ea89 100644
--- a/layout/xul/nsRootBoxFrame.cpp
+++ b/layout/xul/nsRootBoxFrame.cpp
@@ -8,6 +8,7 @@
 #include "nsGkAtoms.h"
 #include "nsIPresShell.h"
 #include "nsBoxFrame.h"
+#include "nsDisplayList.h"
 #include "nsStackLayout.h"
 #include "nsIRootBox.h"
 #include "nsIContent.h"
@@ -75,7 +76,6 @@ public:
                                nsEventStatus* aEventStatus) override;
 
   virtual void BuildDisplayList(nsDisplayListBuilder*   aBuilder,
-                                const nsRect&           aDirtyRect,
                                 const nsDisplayListSet& aLists) override;
 
   /**
@@ -176,14 +176,14 @@ nsRootBoxFrame::Reflow(nsPresContext*           aPresContext,
 
 void
 nsRootBoxFrame::BuildDisplayList(nsDisplayListBuilder*   aBuilder,
-                                 const nsRect&           aDirtyRect,
                                  const nsDisplayListSet& aLists)
 {
   if (mContent && mContent->GetProperty(nsGkAtoms::DisplayPortMargins)) {
     // The XUL document's root element may have displayport margins set in
     // ChromeProcessController::InitializeRoot, and we should to supply the
     // base rect.
-    nsRect displayPortBase = aDirtyRect.Intersect(nsRect(nsPoint(0, 0), GetSize()));
+    nsRect displayPortBase = 
+      aBuilder->GetDirtyRect().Intersect(nsRect(nsPoint(0, 0), GetSize()));
     nsLayoutUtils::SetDisplayPortBase(mContent, displayPortBase);
   }
 
@@ -192,7 +192,7 @@ nsRootBoxFrame::BuildDisplayList(nsDisplayListBuilder*   aBuilder,
   // of a background display list element.
   DisplayBorderBackgroundOutline(aBuilder, aLists, true);
 
-  BuildDisplayListForChildren(aBuilder, aDirtyRect, aLists);
+  BuildDisplayListForChildren(aBuilder, aLists);
 }
 
 nsresult
diff --git a/layout/xul/nsSliderFrame.cpp b/layout/xul/nsSliderFrame.cpp
index 3c1f9ef912..a2098144ce 100644
--- a/layout/xul/nsSliderFrame.cpp
+++ b/layout/xul/nsSliderFrame.cpp
@@ -311,7 +311,6 @@ nsSliderFrame::AttributeChanged(int32_t aNameSpaceID,
 
 void
 nsSliderFrame::BuildDisplayList(nsDisplayListBuilder*   aBuilder,
-                                const nsRect&           aDirtyRect,
                                 const nsDisplayListSet& aLists)
 {
   if (aBuilder->IsForEventDelivery() && isDraggingThumb()) {
@@ -322,12 +321,11 @@ nsSliderFrame::BuildDisplayList(nsDisplayListBuilder*   aBuilder,
     return;
   }
   
-  nsBoxFrame::BuildDisplayList(aBuilder, aDirtyRect, aLists);
+  nsBoxFrame::BuildDisplayList(aBuilder, aLists);
 }
 
 void
 nsSliderFrame::BuildDisplayListForChildren(nsDisplayListBuilder*   aBuilder,
-                                           const nsRect&           aDirtyRect,
                                            const nsDisplayListSet& aLists)
 {
   // if we are too small to have a thumb don't paint it.
@@ -361,7 +359,7 @@ nsSliderFrame::BuildDisplayListForChildren(nsDisplayListBuilder*   aBuilder,
 
     if (thumbGetsLayer) {
       nsDisplayListCollection tempLists;
-      nsBoxFrame::BuildDisplayListForChildren(aBuilder, aDirtyRect, tempLists);
+      nsBoxFrame::BuildDisplayListForChildren(aBuilder, tempLists);
 
       // This is a bit of a hack. Collect up all descendant display items
       // and merge them into a single Content() list.
@@ -382,7 +380,7 @@ nsSliderFrame::BuildDisplayListForChildren(nsDisplayListBuilder*   aBuilder,
     }
   }
   
-  nsBoxFrame::BuildDisplayListForChildren(aBuilder, aDirtyRect, aLists);
+  nsBoxFrame::BuildDisplayListForChildren(aBuilder, aLists);
 }
 
 NS_IMETHODIMP
diff --git a/layout/xul/nsSliderFrame.h b/layout/xul/nsSliderFrame.h
index 832065a210..e4b68fc018 100644
--- a/layout/xul/nsSliderFrame.h
+++ b/layout/xul/nsSliderFrame.h
@@ -64,11 +64,9 @@ public:
   virtual void DestroyFrom(nsIFrame* aDestructRoot) override;
 
   virtual void BuildDisplayListForChildren(nsDisplayListBuilder*   aBuilder,
-                                           const nsRect&           aDirtyRect,
                                            const nsDisplayListSet& aLists) override;
 
   virtual void BuildDisplayList(nsDisplayListBuilder*   aBuilder,
-                                const nsRect&           aDirtyRect,
                                 const nsDisplayListSet& aLists) override;
  
   virtual nsresult AttributeChanged(int32_t aNameSpaceID,
diff --git a/layout/xul/nsSplitterFrame.cpp b/layout/xul/nsSplitterFrame.cpp
index 7879a176d3..468ccc6826 100644
--- a/layout/xul/nsSplitterFrame.cpp
+++ b/layout/xul/nsSplitterFrame.cpp
@@ -358,10 +358,9 @@ nsSplitterFrame::HandleRelease(nsPresContext* aPresContext,
 
 void
 nsSplitterFrame::BuildDisplayList(nsDisplayListBuilder*   aBuilder,
-                                  const nsRect&           aDirtyRect,
                                   const nsDisplayListSet& aLists)
 {
-  nsBoxFrame::BuildDisplayList(aBuilder, aDirtyRect, aLists);
+  nsBoxFrame::BuildDisplayList(aBuilder, aLists);
   
   // if the mouse is captured always return us as the frame.
   if (mInner->mDragging)
diff --git a/layout/xul/nsSplitterFrame.h b/layout/xul/nsSplitterFrame.h
index df8872255e..fa1c7525ff 100644
--- a/layout/xul/nsSplitterFrame.h
+++ b/layout/xul/nsSplitterFrame.h
@@ -68,7 +68,6 @@ public:
                                nsEventStatus* aEventStatus) override;
 
   virtual void BuildDisplayList(nsDisplayListBuilder*   aBuilder,
-                                const nsRect&           aDirtyRect,
                                 const nsDisplayListSet& aLists) override;
 
   virtual void GetInitialOrientation(bool& aIsHorizontal) override; 
diff --git a/layout/xul/nsStackFrame.cpp b/layout/xul/nsStackFrame.cpp
index 437d558f91..a2ec57adc7 100644
--- a/layout/xul/nsStackFrame.cpp
+++ b/layout/xul/nsStackFrame.cpp
@@ -45,7 +45,6 @@ nsStackFrame::nsStackFrame(nsStyleContext* aContext):
 // a bit more.
 void
 nsStackFrame::BuildDisplayListForChildren(nsDisplayListBuilder*   aBuilder,
-                                          const nsRect&           aDirtyRect,
                                           const nsDisplayListSet& aLists)
 {
   // BuildDisplayListForChild puts stacking contexts into the PositionedDescendants
@@ -56,8 +55,7 @@ nsStackFrame::BuildDisplayListForChildren(nsDisplayListBuilder*   aBuilder,
   nsIFrame* kid = mFrames.FirstChild();
   while (kid) {
     // Force each child into its own true stacking context.
-    BuildDisplayListForChild(aBuilder, kid, aDirtyRect, kidLists,
-                             DISPLAY_CHILD_FORCE_STACKING_CONTEXT);
+    BuildDisplayListForChild(aBuilder, kid, kidLists, DISPLAY_CHILD_FORCE_STACKING_CONTEXT);
     kid = kid->GetNextSibling();
   }
 }
diff --git a/layout/xul/nsStackFrame.h b/layout/xul/nsStackFrame.h
index b90a16b213..a81a62281c 100644
--- a/layout/xul/nsStackFrame.h
+++ b/layout/xul/nsStackFrame.h
@@ -33,7 +33,6 @@ public:
 #endif
 
   virtual void BuildDisplayListForChildren(nsDisplayListBuilder*   aBuilder,
-                                           const nsRect&           aDirtyRect,
                                            const nsDisplayListSet& aLists) override;
 
 protected:
diff --git a/layout/xul/nsTextBoxFrame.cpp b/layout/xul/nsTextBoxFrame.cpp
index c82d3d6b9b..e1650e0d00 100644
--- a/layout/xul/nsTextBoxFrame.cpp
+++ b/layout/xul/nsTextBoxFrame.cpp
@@ -364,13 +364,12 @@ nsDisplayXULTextBox::GetComponentAlphaBounds(nsDisplayListBuilder* aBuilder)
 
 void
 nsTextBoxFrame::BuildDisplayList(nsDisplayListBuilder*   aBuilder,
-                                 const nsRect&           aDirtyRect,
                                  const nsDisplayListSet& aLists)
 {
     if (!IsVisibleForPainting(aBuilder))
         return;
 
-    nsLeafBoxFrame::BuildDisplayList(aBuilder, aDirtyRect, aLists);
+    nsLeafBoxFrame::BuildDisplayList(aBuilder, aLists);
     
     aLists.Content()->AppendNewToTop(new (aBuilder)
         nsDisplayXULTextBox(aBuilder, this));
diff --git a/layout/xul/nsTextBoxFrame.h b/layout/xul/nsTextBoxFrame.h
index ca1b887484..e12b97b32d 100644
--- a/layout/xul/nsTextBoxFrame.h
+++ b/layout/xul/nsTextBoxFrame.h
@@ -48,7 +48,6 @@ public:
                         bool&          aRedraw);
 
   virtual void BuildDisplayList(nsDisplayListBuilder*   aBuilder,
-                                const nsRect&           aDirtyRect,
                                 const nsDisplayListSet& aLists) override;
 
   virtual ~nsTextBoxFrame();
diff --git a/layout/xul/nsTitleBarFrame.cpp b/layout/xul/nsTitleBarFrame.cpp
index 2792403dcc..2f58abecb9 100644
--- a/layout/xul/nsTitleBarFrame.cpp
+++ b/layout/xul/nsTitleBarFrame.cpp
@@ -42,7 +42,6 @@ nsTitleBarFrame::nsTitleBarFrame(nsStyleContext* aContext)
 
 void
 nsTitleBarFrame::BuildDisplayListForChildren(nsDisplayListBuilder*   aBuilder,
-                                             const nsRect&           aDirtyRect,
                                              const nsDisplayListSet& aLists)
 {
   // override, since we don't want children to get events
@@ -51,7 +50,7 @@ nsTitleBarFrame::BuildDisplayListForChildren(nsDisplayListBuilder*   aBuilder,
                                nsGkAtoms::_true, eCaseMatters))
       return;
   }
-  nsBoxFrame::BuildDisplayListForChildren(aBuilder, aDirtyRect, aLists);
+  nsBoxFrame::BuildDisplayListForChildren(aBuilder, aLists);
 }
 
 nsresult
diff --git a/layout/xul/nsTitleBarFrame.h b/layout/xul/nsTitleBarFrame.h
index 17279c578f..594d0978bc 100644
--- a/layout/xul/nsTitleBarFrame.h
+++ b/layout/xul/nsTitleBarFrame.h
@@ -19,7 +19,6 @@ public:
   explicit nsTitleBarFrame(nsStyleContext* aContext);
 
   virtual void BuildDisplayListForChildren(nsDisplayListBuilder*   aBuilder,
-                                           const nsRect&           aDirtyRect,
                                            const nsDisplayListSet& aLists) override;
 
   virtual nsresult HandleEvent(nsPresContext* aPresContext,
diff --git a/layout/xul/tree/nsTreeBodyFrame.cpp b/layout/xul/tree/nsTreeBodyFrame.cpp
index deba04a36c..608d802ea1 100644
--- a/layout/xul/tree/nsTreeBodyFrame.cpp
+++ b/layout/xul/tree/nsTreeBodyFrame.cpp
@@ -2824,7 +2824,6 @@ public:
 // Painting routines
 void
 nsTreeBodyFrame::BuildDisplayList(nsDisplayListBuilder*   aBuilder,
-                                  const nsRect&           aDirtyRect,
                                   const nsDisplayListSet& aLists)
 {
   // REVIEW: why did we paint if we were collapsed? that makes no sense!
@@ -2832,7 +2831,7 @@ nsTreeBodyFrame::BuildDisplayList(nsDisplayListBuilder*   aBuilder,
     return; // We're invisible.  Don't paint.
 
   // Handles painting our background, border, and outline.
-  nsLeafBoxFrame::BuildDisplayList(aBuilder, aDirtyRect, aLists);
+  nsLeafBoxFrame::BuildDisplayList(aBuilder, aLists);
 
   // Bail out now if there's no view or we can't run script because the
   // document is a zombie
diff --git a/layout/xul/tree/nsTreeBodyFrame.h b/layout/xul/tree/nsTreeBodyFrame.h
index 9620c8ccb3..6838b01576 100644
--- a/layout/xul/tree/nsTreeBodyFrame.h
+++ b/layout/xul/tree/nsTreeBodyFrame.h
@@ -177,7 +177,6 @@ public:
                                nsEventStatus* aEventStatus) override;
 
   virtual void BuildDisplayList(nsDisplayListBuilder*   aBuilder,
-                                const nsRect&           aDirtyRect,
                                 const nsDisplayListSet& aLists) override;
 
   virtual void DidSetStyleContext(nsStyleContext* aOldStyleContext) override;
diff --git a/layout/xul/tree/nsTreeColFrame.cpp b/layout/xul/tree/nsTreeColFrame.cpp
index 649c0b0b4c..5fea7947f2 100644
--- a/layout/xul/tree/nsTreeColFrame.cpp
+++ b/layout/xul/tree/nsTreeColFrame.cpp
@@ -110,16 +110,15 @@ nsDisplayXULTreeColSplitterTarget::HitTest(nsDisplayListBuilder* aBuilder, const
 
 void
 nsTreeColFrame::BuildDisplayListForChildren(nsDisplayListBuilder*   aBuilder,
-                                            const nsRect&           aDirtyRect,
                                             const nsDisplayListSet& aLists)
 {
   if (!aBuilder->IsForEventDelivery()) {
-    nsBoxFrame::BuildDisplayListForChildren(aBuilder, aDirtyRect, aLists);
+    nsBoxFrame::BuildDisplayListForChildren(aBuilder, aLists);
     return;
   }
   
   nsDisplayListCollection set;
-  nsBoxFrame::BuildDisplayListForChildren(aBuilder, aDirtyRect, set);
+  nsBoxFrame::BuildDisplayListForChildren(aBuilder, set);
   
   WrapListsInRedirector(aBuilder, set, aLists);
 
diff --git a/layout/xul/tree/nsTreeColFrame.h b/layout/xul/tree/nsTreeColFrame.h
index 8fc3219d50..ebd16fa526 100644
--- a/layout/xul/tree/nsTreeColFrame.h
+++ b/layout/xul/tree/nsTreeColFrame.h
@@ -26,7 +26,6 @@ public:
   virtual void DestroyFrom(nsIFrame* aDestructRoot) override;
 
   virtual void BuildDisplayListForChildren(nsDisplayListBuilder*   aBuilder,
-                                           const nsRect&           aDirtyRect,
                                            const nsDisplayListSet& aLists) override;
 
   virtual nsresult AttributeChanged(int32_t aNameSpaceID,