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

Source/WebCore/dom/DOMImplementation.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2001 Dirk Mueller (mueller@kde.org)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008 Apple Inc. All rights reserved.
  * Copyright (C) 2006 Samuel Weinig (sam@webkit.org)
  * Copyright (C) 2008, 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
@@ skipping 217 matching lines @@
 //        addString(events3Features, "WheelEvents");
         initialized = true;
     }
     // FIXME: We do not yet support Events 3 "extended feature strings".
     return events3Features.contains(feature);
 }
 
 DOMImplementation::DOMImplementation(Document* document)
     : m_document(document)
 {
+    ScriptWrappable::init(this);
 }
 
 bool DOMImplementation::hasFeature(const String& feature, const String& version)
 {
     String lower = feature.lower();
     if (lower == "core" || lower == "html" || lower == "xml" || lower == "xhtml")
         return version.isEmpty() || version == "1.0" || version == "2.0";
     if (lower == "css"
             || lower == "css2"
             || lower == "range"
@@ skipping 172 matching lines @@
     if (type == "image/svg+xml")
         return SVGDocument::create(frame, url);
 #endif
     if (isXMLMIMEType(type))
         return Document::create(frame, url);
 
     return HTMLDocument::create(frame, url);
 }
 
 }