Remove WebPageSerialzier related code.

sky/engine/core/html/HTMLImageElement.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2010 Apple Inc. All rights reserved.
  * Copyright (C) 2010 Google 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
  * version 2 of the License, or (at your option) any later version.
@@ skipping 359 matching lines @@
 
 bool HTMLImageElement::isURLAttribute(const Attribute& attribute) const
 {
     return attribute.name() == HTMLNames::srcAttr
         || attribute.name() == HTMLNames::lowsrcAttr
         || attribute.name() == HTMLNames::longdescAttr
         || (attribute.name() == HTMLNames::usemapAttr && attribute.value().string()[0] != '#')
         || HTMLElement::isURLAttribute(attribute);
 }
 
-bool HTMLImageElement::hasLegalLinkAttribute(const QualifiedName& name) const
-{
-    return name == HTMLNames::srcAttr || HTMLElement::hasLegalLinkAttribute(name);
-}
-
-const QualifiedName& HTMLImageElement::subResourceAttributeName() const
-{
-    return HTMLNames::srcAttr;
-}
-
 void HTMLImageElement::setHeight(int value)
 {
     setIntegralAttribute(HTMLNames::heightAttr, value);
 }
 
 KURL HTMLImageElement::src() const
 {
     return document().completeURL(getAttribute(HTMLNames::srcAttr));
 }
 
@@ skipping 141 matching lines @@
     }
     imageLoader().updateFromElement(behavior);
 }
 
 const KURL& HTMLImageElement::sourceURL() const
 {
     return cachedImage()->response().url();
 }
 
 }