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

Source/WebCore/html/shadow/HTMLContentElement.cpp

 /*
  * Copyright (C) 2011 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Neither the name of Google Inc. nor the names of its
@@ skipping 50 matching lines @@
 PassRefPtr<HTMLContentElement> HTMLContentElement::create(const QualifiedName& tagName, Document* document)
 {
     return adoptRef(new HTMLContentElement(tagName, document));
 }
 
 HTMLContentElement::HTMLContentElement(const QualifiedName& name, Document* document)
     : InsertionPoint(name, document)
     , m_shouldParseSelectorList(false)
     , m_isValidSelector(true)
 {
+    if (RuntimeEnabledFeatures::shadowDOMEnabled())
+        ScriptWrappable::init(this);
 }
 
 HTMLContentElement::~HTMLContentElement()
 {
 }
 
 InsertionPoint::MatchType HTMLContentElement::matchTypeFor(Node*)
 {
     if (select().isNull() || select().isEmpty())
         return AlwaysMatches;
@@ skipping 130 matching lines @@
 }
 
 HTMLContentElement::HTMLContentElement(const QualifiedName& tagName, Document* document)
     : InsertionPoint(tagName, document)
 { }
 
 #endif // if ENABLE(SHADOW_DOM)
 
 }