Apply FINAL to the RenderObject hierarchy.

Source/core/rendering/svg/RenderSVGRoot.h

 /*
  * Copyright (C) 2004, 2005, 2007 Nikolas Zimmermann <zimmermann@kde.org>
  * Copyright (C) 2004, 2005, 2007 Rob Buis <buis@kde.org>
  * Copyright (C) 2009 Google, Inc.  All rights reserved.
  * Copyright (C) 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.
@@ skipping 16 matching lines @@
 #include "FloatRect.h"
 #include "RenderReplaced.h"
 
 #include "SVGRenderSupport.h"
 
 namespace WebCore {
 
 class AffineTransform;
 class SVGStyledElement;
 
-class RenderSVGRoot : public RenderReplaced {
+class RenderSVGRoot FINAL : public RenderReplaced {
 public:
     explicit RenderSVGRoot(SVGStyledElement*);
     virtual ~RenderSVGRoot();
 
     bool isEmbeddedThroughSVGImage() const;
     bool isEmbeddedThroughFrameContainingSVGDocument() const;
 
     virtual void computeIntrinsicRatioInformation(FloatSize& intrinsicSize, double& intrinsicRatio, bool& isPercentageIntrinsicSize) const;
 
     RenderObject* firstChild() const { ASSERT(children() == virtualChildren()); return children()->firstChild(); }
@@ skipping 93 matching lines @@
     return static_cast<const RenderSVGRoot*>(object);
 }
 
 // This will catch anyone doing an unnecessary cast.
 void toRenderSVGRoot(const RenderSVGRoot*);
 
 } // namespace WebCore
 
 #endif // ENABLE(SVG)
 #endif // RenderSVGRoot_h