1 files changed, 1 insertions, 16 deletions
diff --git a/docshell/base/nsDocShell.cpp b/docshell/base/nsDocShell.cpp
index ebaf07bcdf..6104ebfa71 100644
--- a/docshell/base/nsDocShell.cpp
+++ b/docshell/base/nsDocShell.cpp
@@ -13356,24 +13356,9 @@ nsDocShell::EnsureScriptEnvironment()
   uint32_t chromeFlags;
   browserChrome->GetChromeFlags(&chromeFlags);
 
-  bool isModalContentWindow =
-    (mItemType == typeContent) &&
-    (chromeFlags & nsIWebBrowserChrome::CHROME_MODAL_CONTENT_WINDOW);
-  // There can be various other content docshells associated with the
-  // top-level window, like sidebars. Make sure that we only create an
-  // nsGlobalModalWindow for the primary content shell.
-  if (isModalContentWindow) {
-    nsCOMPtr<nsIDocShellTreeItem> primaryItem;
-    nsresult rv =
-      mTreeOwner->GetPrimaryContentShell(getter_AddRefs(primaryItem));
-    NS_ENSURE_SUCCESS(rv, rv);
-    isModalContentWindow = (primaryItem == this);
-  }
-
   // If our window is modal and we're not opened as chrome, make
   // this window a modal content window.
-  mScriptGlobal =
-    NS_NewScriptGlobalObject(mItemType == typeChrome, isModalContentWindow);
+  mScriptGlobal = NS_NewScriptGlobalObject(mItemType == typeChrome);
   MOZ_ASSERT(mScriptGlobal);
 
   mScriptGlobal->SetDocShell(this);