Consistently disable the LayoutState for certain layout situations

Source/core/rendering/RenderView.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009 Apple Inc. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
  * This library is distributed in the hope that it will be useful,
@@ skipping 891 matching lines @@
     ASSERT(m_layoutState == 0);
 
     pushLayoutStateForCurrentFlowThread(root);
     m_layoutState = new LayoutState(root);
 }
 
 bool RenderView::shouldDisableLayoutStateForSubtree(RenderObject* renderer) const
 {
     RenderObject* o = renderer;
     while (o) {
-        if (o->hasColumns() || o->hasTransform() || o->hasReflection())
+        if (o->shouldDisableLayoutState())
             return true;
         o = o->container();
     }
     return false;
 }
 
 void RenderView::updateHitTestResult(HitTestResult& result, const LayoutPoint& point)
 {
     if (result.innerNode())
         return;
@@ skipping 84 matching lines @@
     return viewWidth(IncludeScrollbars) / scale;
 }
 
 double RenderView::layoutViewportHeight() const
 {
     float scale = m_frameView ? m_frameView->frame().pageZoomFactor() : 1;
     return viewHeight(IncludeScrollbars) / scale;
 }
 
 } // namespace WebCore