FINALizing of the Node hierarchy.

Source/core/html/HTMLVideoElement.h

 /*
  * Copyright (C) 2007, 2008, 2009, 2010 Apple Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 14 matching lines @@
 
 #ifndef HTMLVideoElement_h
 #define HTMLVideoElement_h
 
 #include "HTMLMediaElement.h"
 
 namespace WebCore {
 
 class HTMLImageLoader;
 
-class HTMLVideoElement : public HTMLMediaElement {
+class HTMLVideoElement FINAL : public HTMLMediaElement {
 public:
     static PassRefPtr<HTMLVideoElement> create(const QualifiedName&, Document*, bool);
 
     unsigned width() const;
     unsigned height() const;
     
     unsigned videoWidth() const;
     unsigned videoHeight() const;
     
     // Fullscreen
@@ skipping 43 matching lines @@
     virtual void setDisplayMode(DisplayMode);
 
     OwnPtr<HTMLImageLoader> m_imageLoader;
 
     AtomicString m_defaultPosterURL;
 };
 
 } //namespace
 
 #endif