Merge 128524

Source/WebCore/dom/ContainerNode.cpp

Index: Source/WebCore/dom/ContainerNode.cpp
===================================================================
--- Source/WebCore/dom/ContainerNode.cpp	(revision 128805)
+++ Source/WebCore/dom/ContainerNode.cpp	(working copy)
@@ -39,6 +39,7 @@
 #include "Page.h"
 #include "RenderBox.h"
 #include "RenderTheme.h"
+#include "RenderWidget.h"
 #include "RootInlineBox.h"
 #include <wtf/CurrentTime.h>
 #include <wtf/Vector.h>
@@ -407,13 +408,15 @@
         return false;
     }
 
+    RenderWidget::suspendWidgetHierarchyUpdates();
+
     Node* prev = child->previousSibling();
     Node* next = child->nextSibling();
     removeBetween(prev, next, child.get());
-
     childrenChanged(false, prev, next, -1);
+    ChildNodeRemovalNotifier(this).notify(child.get());
 
-    ChildNodeRemovalNotifier(this).notify(child.get());
+    RenderWidget::resumeWidgetHierarchyUpdates();
     dispatchSubtreeModifiedEvent();
 
     return child;
@@ -483,6 +486,7 @@
     // and remove... e.g. stop loading frames, fire unload events.
     willRemoveChildren(protect.get());
 
+    RenderWidget::suspendWidgetHierarchyUpdates();
     forbidEventDispatch();
     Vector<RefPtr<Node>, 10> removedChildren;
     removedChildren.reserveInitialCapacity(childNodeCount());
@@ -524,6 +528,8 @@
         ChildNodeRemovalNotifier(this).notify(removedChildren[i].get());
 
     allowEventDispatch();
+    RenderWidget::resumeWidgetHierarchyUpdates();
+
     dispatchSubtreeModifiedEvent();
 }