FINALizing of the Node hierarchy.

Source/core/svg/SVGFontElement.h

 /*
  * Copyright (C) 2007 Eric Seidel <eric@webkit.org>
  * Copyright (C) 2007 Nikolas Zimmermann <zimmermann@kde.org>
  * Copyright (C) Research In Motion Limited 2010. 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 34 matching lines @@
     SVGKerningPair()
         : kerning(0)
     {
     }
 };
 
 typedef Vector<SVGKerningPair> KerningPairVector;
 
 class SVGMissingGlyphElement;    
 
-class SVGFontElement : public SVGStyledElement
-                     , public SVGExternalResourcesRequired {
+class SVGFontElement FINAL : public SVGStyledElement
+                           , public SVGExternalResourcesRequired {
 public:
     static PassRefPtr<SVGFontElement> create(const QualifiedName&, Document*);
 
     void invalidateGlyphCache();
     void collectGlyphsForString(const String&, Vector<SVGGlyph>&);
     void collectGlyphsForGlyphName(const String&, Vector<SVGGlyph>&);
 
     float horizontalKerningForPairOfStringsAndGlyphs(const String& u1, const String& g1, const String& u2, const String& g2) const;
     float verticalKerningForPairOfStringsAndGlyphs(const String& u1, const String& g1, const String& u2, const String& g2) const;
 
@@ skipping 19 matching lines @@
     KerningPairVector m_verticalKerningPairs;
     SVGGlyphMap m_glyphMap;
     Glyph m_missingGlyph;
     bool m_isGlyphCacheValid;
 };
 
 } // namespace WebCore
 
 #endif // ENABLE(SVG_FONTS)
 #endif