FINALizing of the Node hierarchy.

Source/core/html/HTMLLabelElement.h

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2000 Dirk Mueller (mueller@kde.org)
  * Copyright (C) 2004, 2005, 2006, 2007, 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 HTMLLabelElement_h
 #define HTMLLabelElement_h
 
 #include "HTMLElement.h"
 #include "LabelableElement.h"
 
 namespace WebCore {
 
-class HTMLLabelElement : public HTMLElement {
+class HTMLLabelElement FINAL : public HTMLElement {
 public:
     static PassRefPtr<HTMLLabelElement> create(const QualifiedName&, Document*);
 
     LabelableElement* control();
     HTMLFormElement* form() const;
 
     virtual bool willRespondToMouseClickEvents() OVERRIDE;
 
 private:
     HTMLLabelElement(const QualifiedName&, Document*);
 
     virtual bool isFocusable() const;
 
     virtual void accessKeyAction(bool sendMouseEvents);
 
     // Overridden to update the hover/active state of the corresponding control.
     virtual void setActive(bool = true, bool pause = false);
     virtual void setHovered(bool = true);
 
     // Overridden to either click() or focus() the corresponding control.
     virtual void defaultEventHandler(Event*);
 
     virtual void focus(bool restorePreviousSelection, FocusDirection) OVERRIDE;
 };
 
 } //namespace
 
 #endif