Apply FINAL to the RenderObject hierarchy.

Source/core/rendering/RenderTableCaption.h

 /*
  * Copyright (C) 2011 Robert Hogan <robert@roberthogan.net>
  *
  * 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
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  * Library General Public License for more details.
  *
  * You should have received a copy of the GNU Library General Public License
  * along with this library; see the file COPYING.LIB.  If not, write to
  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  * Boston, MA 02110-1301, USA.
  */
 
 #ifndef RenderTableCaption_h
 #define RenderTableCaption_h
 
 #include "RenderBlock.h"
 
 namespace WebCore {
 
 class RenderTable;
 
-class RenderTableCaption : public RenderBlock {
+class RenderTableCaption FINAL : public RenderBlock {
 public:
     explicit RenderTableCaption(Element*);
     virtual ~RenderTableCaption();
     virtual LayoutUnit containingBlockLogicalWidthForContent() const OVERRIDE;
     
 private:
     virtual bool isTableCaption() const OVERRIDE { return true; }
 
     virtual void insertedIntoTree() OVERRIDE;
     virtual void willBeRemovedFromTree() OVERRIDE;
@@ skipping 12 matching lines @@
     ASSERT_WITH_SECURITY_IMPLICATION(!object || object->isTableCaption());
     return static_cast<const RenderTableCaption*>(object);
 }
 
 // This will catch anyone doing an unnecessary cast.
 void toRenderTableCaption(const RenderTableCaption*);
 
 } // namespace WebCore
 
 #endif // RenderTableCaption_h