Apply FINAL to the RenderObject hierarchy.

Source/core/rendering/svg/RenderSVGText.h

 /*
  * Copyright (C) 2006 Apple Computer, Inc.
  * Copyright (C) 2007 Nikolas Zimmermann <zimmermann@kde.org>
  * Copyright (C) Research In Motion Limited 2010-2012. 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 15 matching lines @@
 #include "AffineTransform.h"
 #include "RenderSVGBlock.h"
 #include "SVGTextLayoutAttributesBuilder.h"
 
 namespace WebCore {
 
 class RenderSVGInlineText;
 class SVGTextElement;
 class RenderSVGInlineText;
 
-class RenderSVGText : public RenderSVGBlock {
+class RenderSVGText FINAL : public RenderSVGBlock {
 public:
     RenderSVGText(SVGTextElement*);
     virtual ~RenderSVGText();
 
     virtual bool isChildAllowed(RenderObject*, RenderStyle*) const;
 
     void setNeedsPositioningValuesUpdate() { m_needsPositioningValuesUpdate = true; }
     virtual void setNeedsTransformUpdate() { m_needsTransformUpdate = true; }
     void setNeedsTextMetricsUpdate() { m_needsTextMetricsUpdate = true; }
     virtual FloatRect repaintRectInLocalCoordinates() const;
@@ skipping 67 matching lines @@
     return static_cast<const RenderSVGText*>(object);
 }
 
 // This will catch anyone doing an unnecessary cast.
 void toRenderSVGText(const RenderSVGText*);
 
 }
 
 #endif // ENABLE(SVG)
 #endif