Move the CustomElementDefinition from ElementRareData to Element.

sky/engine/core/dom/Element.h

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2001 Peter Kelly (pmk@post.com)
  *           (C) 2001 Dirk Mueller (mueller@kde.org)
  * Copyright (C) 2003-2011, 2013, 2014 Apple Inc. All rights reserved.
  *
  * 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 356 matching lines @@
     SpellcheckAttributeState spellcheckAttributeState() const;
 
     void createUniqueElementData();
 
     bool shouldInvalidateDistributionWhenAttributeChanged(ElementShadow*, const QualifiedName&, const AtomicString&);
 
     ElementRareData* elementRareData() const;
     ElementRareData& ensureElementRareData();
 
     RefPtr<ElementData> m_elementData;
+    RefPtr<CustomElementDefinition> m_customElementDefinition;
 };
 
 DEFINE_NODE_TYPE_CASTS(Element, isElementNode());
 template <typename T> bool isElementOfType(const Node&);
 template <> inline bool isElementOfType<const Element>(const Node& node) { return node.isElementNode(); }
 template <typename T> inline bool isElementOfType(const Element& element) { return isElementOfType<T>(static_cast<const Node&>(element)); }
 template <> inline bool isElementOfType<const Element>(const Element&) { return true; }
 
 // Type casting.
 template<typename T> inline T& toElement(Node& node)
@@ skipping 197 matching lines @@
     static PassRefPtr<T> create(const QualifiedName&, Document&)
 #define DEFINE_ELEMENT_FACTORY_WITH_TAGNAME(T) \
     PassRefPtr<T> T::create(const QualifiedName& tagName, Document& document) \
     { \
         return adoptRef(new T(tagName, document)); \
     }
 
 } // namespace
 
 #endif  // SKY_ENGINE_CORE_DOM_ELEMENT_H_