Apply FINAL to the RenderObject hierarchy.

Source/core/rendering/RenderMeter.h

 /*
  * Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
  *
  * 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,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ skipping 10 matching lines @@
 #ifndef RenderMeter_h
 #define RenderMeter_h
 
 #include "RenderBlock.h"
 #include "RenderWidget.h"
 
 namespace WebCore {
 
 class HTMLMeterElement;
 
-class RenderMeter : public RenderBlock {
+class RenderMeter FINAL : public RenderBlock {
 public:
     explicit RenderMeter(HTMLElement*);
     virtual ~RenderMeter();
 
     HTMLMeterElement* meterElement() const;
     virtual void updateFromElement();
 
 private:    
     virtual void updateLogicalWidth() OVERRIDE;
     virtual void computeLogicalHeight(LayoutUnit logicalHeight, LayoutUnit logicalTop, LogicalExtentComputedValues&) const OVERRIDE;
@@ skipping 10 matching lines @@
     ASSERT_WITH_SECURITY_IMPLICATION(!object || object->isMeter());
     return static_cast<RenderMeter*>(object);
 }
 
 // This will catch anyone doing an unnecessary cast.
 void toRenderMeter(const RenderMeter*);
 
 } // namespace WebCore
 
 #endif // RenderMeter_h