Setting native pointer of custom elements before running constructor.

Source/bindings/dart/DartDOMData.cpp

 /*
  * Copyright (C) 2012 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.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 115 matching lines @@
     m_customElementBindings.remove(it);
 }
 
 DartCustomElementBinding* DartDOMData::customElementBinding(CustomElementDefinition* definition)
 {
     DartCustomElementBindingMap::const_iterator it = m_customElementBindings.find(definition);
     ASSERT(it != m_customElementBindings.end());
     return it->value.get();
 }
 
-void DartDOMData::pushUpgradingCustomElement(Element* element)
-{
-    m_upgradingElements.append(element);
 }
-
-Element* DartDOMData::popUpgradingCustomElement()
-{
-    if (m_upgradingElements.isEmpty()) {
-        return 0;
-    }
-    Element* element = m_upgradingElements.last();
-    m_upgradingElements.removeLast();
-
-    return element;
-}
-
-bool DartDOMData::isUpgradingCustomElement(Element* element)
-{
-    return m_upgradingElements.contains(element);
-}
-
-}