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

Source/WebCore/html/HTMLKeygenElement.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, 2010 Apple Inc. All rights reserved.
  *           (C) 2006 Alexey Proskuryakov (ap@nypop.com)
  *
  * 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
@@ skipping 51 matching lines @@
     virtual PassRefPtr<Element> cloneElementWithoutAttributesAndChildren()
     {
         return create(document());
     }
 };
 
 inline HTMLKeygenElement::HTMLKeygenElement(const QualifiedName& tagName, Document* document, HTMLFormElement* form)
     : HTMLFormControlElementWithState(tagName, document, form)
 {
     ASSERT(hasTagName(keygenTag));
+    ScriptWrappable::init(this);
 
     // Create a select element with one option element for each key size.
     Vector<String> keys;
     getSupportedKeySizes(keys);
 
     RefPtr<HTMLSelectElement> select = KeygenSelectElement::create(document);
     for (size_t i = 0; i < keys.size(); ++i) {
         RefPtr<HTMLOptionElement> option = HTMLOptionElement::create(document);
         select->appendChild(option, IGNORE_EXCEPTION);
         option->appendChild(Text::create(document, keys[i]), IGNORE_EXCEPTION);
@@ skipping 45 matching lines @@
     return false;
 }
 
 HTMLSelectElement* HTMLKeygenElement::shadowSelect() const
 {
     ShadowRoot* root = userAgentShadowRoot();
     return root ? toHTMLSelectElement(root->firstChild()) : 0;
 }
 
 } // namespace