First part of work to move V8 binding integrity off of vtables.

Source/WebCore/svg/SVGAltGlyphItemElement.cpp

 /*
  * Copyright (C) 2011 Leo Yang <leoyang@webkit.org>
  *
  * 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
@@ skipping 13 matching lines @@
 
 #include "SVGGlyphRefElement.h"
 #include "SVGNames.h"
 
 namespace WebCore {
 
 inline SVGAltGlyphItemElement::SVGAltGlyphItemElement(const QualifiedName& tagName, Document* document)
     : SVGElement(tagName, document)
 {
     ASSERT(hasTagName(SVGNames::altGlyphItemTag));
+    ScriptWrappable::init(this);
 }
 
 PassRefPtr<SVGAltGlyphItemElement> SVGAltGlyphItemElement::create(const QualifiedName& tagName, Document* document)
 {
     return adoptRef(new SVGAltGlyphItemElement(tagName, document));
 }
 
 bool SVGAltGlyphItemElement::hasValidGlyphElements(Vector<String>& glyphNames) const
 {
     // Spec: http://www.w3.org/TR/SVG/text.html#AltGlyphItemElement
@@ skipping 14 matching lines @@
                 return false;
             }
         }
     }
     return !glyphNames.isEmpty();
 }
 
 }
 
 #endif