Rework compositor touch hit testing

Source/core/rendering/RenderBoxModelObject.h

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  * Copyright (C) 2003, 2006, 2007, 2009 Apple Inc. All rights reserved.
  * Copyright (C) 2010 Google 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.
@@ skipping 170 matching lines @@
     bool startTransition(double, CSSPropertyID, const RenderStyle* fromStyle, const RenderStyle* toStyle);
     void transitionPaused(double timeOffset, CSSPropertyID);
     void transitionFinished(CSSPropertyID);
 
     bool startAnimation(double timeOffset, const CSSAnimationData*, const KeyframeList& keyframes);
     void animationPaused(double timeOffset, const String& name);
     void animationFinished(const String& name);
 
     void suspendAnimations(double time = 0);
 
+    virtual void computeLayerHitTestRects(LayerHitTestRects&) const OVERRIDE;
+
 protected:
     virtual void willBeDestroyed();
 
     class BackgroundImageGeometry {
     public:
         IntPoint destOrigin() const { return m_destOrigin; }
         void setDestOrigin(const IntPoint& destOrigin)
         {
             m_destOrigin = destOrigin;
         }
@@ skipping 129 matching lines @@
     ASSERT_WITH_SECURITY_IMPLICATION(!object || object->isBoxModelObject());
     return static_cast<const RenderBoxModelObject*>(object);
 }
 
 // This will catch anyone doing an unnecessary cast.
 void toRenderBoxModelObject(const RenderBoxModelObject*);
 
 } // namespace WebCore
 
 #endif // RenderBoxModelObject_h