Revert the merge. Mac build is mysteriously broken.

third_party/WebKit/WebCore/rendering/RenderSVGHiddenContainer.cpp

 /*
  * This file is part of the WebKit project.
  *
  * Copyright (C) 2007 Eric Seidel <eric@webkit.org>
  *
  * 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 53 matching lines @@
     }
     
     setNeedsLayout(false);    
 }
 
 void RenderSVGHiddenContainer::paint(PaintInfo&, int, int)
 {
     // This subtree does not paint.
 }
 
-IntRect RenderSVGHiddenContainer::clippedOverflowRectForRepaint(RenderBoxModelObject* /*repaintContainer*/)
+IntRect RenderSVGHiddenContainer::clippedOverflowRectForRepaint(RenderBox* /*repaintContainer*/)
 {
     return IntRect();
 }
 
 void RenderSVGHiddenContainer::absoluteRects(Vector<IntRect>&, int, int, bool)
 {
     // This subtree does not take up space or paint
 }
 
 void RenderSVGHiddenContainer::absoluteQuads(Vector<FloatQuad>&, bool)
@@ skipping 17 matching lines @@
 }
 
 FloatRect RenderSVGHiddenContainer::relativeBBox(bool) const
 {
     return FloatRect();
 }
 
 }
 
 #endif // ENABLE(SVG)