Rework compositor touch hit testing

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 332 matching lines @@
     if (mode & IsFixed && m_frameView)
         transformState.move(m_frameView->scrollOffsetForFixedPosition());
 
     if (mode & UseTransforms && shouldUseTransformFromContainer(0)) {
         TransformationMatrix t;
         getTransformFromContainer(0, LayoutSize(), t);
         transformState.applyTransform(t);
     }
 }
 
+void RenderView::computeOwnHitTestRects(Vector<IntRect>& rects, const LayoutPoint& layerOffset) const
+{
+    // A RenderView doesn't really have any hit testing of it's own.

[leviw_travelin_and_unemployed, 2013/07/10 01:51:16]

Why is this needed?

+}
+
 bool RenderView::requiresColumns(int desiredColumnCount) const
 {
     if (m_frameView)
         return m_frameView->pagination().mode != Pagination::Unpaginated;
 
     return RenderBlock::requiresColumns(desiredColumnCount);
 }
 
 void RenderView::calcColumnWidth()
 {
@@ skipping 780 matching lines @@
 #endif
 
     if (layoutState)
         layoutState->m_isPaginated = m_fragmenting;
         
     if (m_flowThreadState != RenderObject::NotInsideFlowThread)
         m_root->setFlowThreadStateIncludingDescendants(m_flowThreadState);
 }
 
 } // namespace WebCore