FINALizing of the Node hierarchy.

Source/core/html/HTMLParamElement.h

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  * Copyright (C) 2004, 2006, 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.
  *
  * 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 HTMLParamElement_h
 #define HTMLParamElement_h
 
 #include "HTMLElement.h"
 
 namespace WebCore {
 
-class HTMLParamElement : public HTMLElement {
+class HTMLParamElement FINAL : public HTMLElement {
 public:
     static PassRefPtr<HTMLParamElement> create(const QualifiedName&, Document*);
 
     String name() const;
     String value() const;
 
     static bool isURLParameter(const String&);
 
 private:
     HTMLParamElement(const QualifiedName&, Document*);
 
     virtual bool isURLAttribute(const Attribute&) const OVERRIDE;
 
     virtual void addSubresourceAttributeURLs(ListHashSet<KURL>&) const;
 };
 
 } // namespace WebCore
 
 #endif