Remove WebPageSerialzier related code.

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 166 matching lines @@
 
     void synchronizeStyleAttributeInternal() const;
 
     enum AttributeModificationReason {
         ModifiedDirectly,
         ModifiedByCloning
     };
 
     virtual void parseAttribute(const QualifiedName&, const AtomicString&);
 
-    virtual bool hasLegalLinkAttribute(const QualifiedName&) const;
-    virtual const QualifiedName& subResourceAttributeName() const;
-
     // Only called by the parser immediately after element construction.
     void parserSetAttributes(const Vector<Attribute>&);
 
     bool sharesSameElementData(const Element& other) const { return elementData() == other.elementData(); }
 
     // Clones attributes only.
     void cloneAttributesFromElement(const Element&);
 
     // Clones all attribute-derived data, including subclass specifics (through copyNonAttributeProperties.)
     void cloneDataFromElement(const Element&);
@@ skipping 404 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 // Element_h