1 files changed, 2 insertions, 22 deletions

diff --git a/embedding/components/windowwatcher/nsWindowWatcher.cpp b/embedding/components/windowwatcher/nsWindowWatcher.cpp
index e0e8b4bef..3732ea66d 100644
--- a/embedding/components/windowwatcher/nsWindowWatcher.cpp
+++ b/embedding/components/windowwatcher/nsWindowWatcher.cpp
@@ -683,7 +683,6 @@ nsWindowWatcher::OpenWindowInternal(mozIDOMWindowProxy* aParent,
   bool windowNeedsName = false;
   bool windowIsModal = false;
   bool uriToLoadIsChrome = false;
-  bool windowIsModalContentDialog = false;
 
   uint32_t chromeFlags;
   nsAutoString name;          // string version of aName
@@ -775,30 +774,12 @@ nsWindowWatcher::OpenWindowInternal(mozIDOMWindowProxy* aParent,
   } else {
     chromeFlags = CalculateChromeFlagsForChild(features);
 
-    // Until ShowModalDialog is removed, it's still possible for content to
-    // request dialogs, but only in single-process mode.
     if (aDialog) {
       MOZ_ASSERT(XRE_IsParentProcess());
       chromeFlags |= nsIWebBrowserChrome::CHROME_OPENAS_DIALOG;
     }
   }
 
-  // If we're not called through our JS version of the API, and we got
-  // our internal modal option, treat the window we're opening as a
-  // modal content window (and set the modal chrome flag).
-  if (!aCalledFromJS && aArgv &&
-      WinHasOption(features, "-moz-internal-modal", 0, nullptr)) {
-    windowIsModalContentDialog = true;
-
-    // CHROME_MODAL gets inherited by dependent windows, which affects various
-    // platform-specific window state (especially on OSX). So we need some way
-    // to determine that this window was actually opened by nsGlobalWindow::
-    // ShowModalDialog(), and that somebody is actually going to be watching
-    // for return values and all that.
-    chromeFlags |= nsIWebBrowserChrome::CHROME_MODAL_CONTENT_WINDOW;
-    chromeFlags |= nsIWebBrowserChrome::CHROME_MODAL;
-  }
-
   SizeSpec sizeSpec;
   CalcSizeSpec(features, sizeSpec);
 
@@ -1079,7 +1060,7 @@ nsWindowWatcher::OpenWindowInternal(mozIDOMWindowProxy* aParent,
     MaybeDisablePersistence(features, newTreeOwner);
   }
 
-  if ((aDialog || windowIsModalContentDialog) && aArgv) {
+  if (aDialog && aArgv) {
     // Set the args on the new window.
     nsCOMPtr<nsPIDOMWindowOuter> piwin(do_QueryInterface(*aResult));
     NS_ENSURE_TRUE(piwin, NS_ERROR_UNEXPECTED);
@@ -1268,8 +1249,7 @@ nsWindowWatcher::OpenWindowInternal(mozIDOMWindowProxy* aParent,
     SizeOpenedWindow(newTreeOwner, aParent, isCallerChrome, sizeSpec);
   }
 
-  // XXXbz isn't windowIsModal always true when windowIsModalContentDialog?
-  if (windowIsModal || windowIsModalContentDialog) {
+  if (windowIsModal) {
     nsCOMPtr<nsIDocShellTreeOwner> newTreeOwner;
     newDocShellItem->GetTreeOwner(getter_AddRefs(newTreeOwner));
     nsCOMPtr<nsIWebBrowserChrome> newChrome(do_GetInterface(newTreeOwner));