FINALizing of the Node hierarchy.

Source/core/html/HTMLQuoteElement.h

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2000 Simon Hausmann <hausmann@kde.org>
  * Copyright (C) 2010 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 11 matching lines @@
  */
 
 #ifndef HTMLQuoteElement_h
 #define HTMLQuoteElement_h
 
 #include <wtf/Forward.h>
 #include "HTMLElement.h"
 
 namespace WebCore {
 
-class HTMLQuoteElement : public HTMLElement {
+class HTMLQuoteElement FINAL : public HTMLElement {
 public:
     static PassRefPtr<HTMLQuoteElement> create(const QualifiedName&, Document*);
 
 private:
     HTMLQuoteElement(const QualifiedName&, Document*);
     
     virtual InsertionNotificationRequest insertedInto(ContainerNode*) OVERRIDE;
     virtual bool isURLAttribute(const Attribute&) const OVERRIDE;
 };
 
 } //namespace
 
 #endif