  #if ENABLE(ASSERT)
  
  bool GraphicsLayer::hasAncestor(GraphicsLayer* ancestor) const
-@@ -296,6 +303,16 @@ void GraphicsLayer::removeFromParent()
+@@ -289,6 +296,16 @@ void GraphicsLayer::removeFromParent()
      platformLayer()->removeFromParent();
  }
  

 #include "core/frame/FrameHost.h"
 #include "core/frame/LocalFrame.h"
 #include "core/frame/Location.h"
@@ -2549,6 +2550,15 @@ void FrameView::updateLifecyclePhasesInternal(DocumentLifecycle::LifecycleState
             // This was required for slimming paint v1 but is only temporarily
             // needed for slimming paint v2.
             view.compositor()->updateIfNeededRecursive();

             'events/Event.idl',
             'events/FocusEvent.idl',
             'events/HashChangeEvent.idl',
@@ -2769,6 +2771,8 @@
             'events/DragEvent.h',
             'events/ErrorEvent.cpp',
             'events/ErrorEvent.h',
