Remove MicroData implementation

Source/WebCore/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 346 matching lines @@
 
     const AtomicString& usemap = fastGetAttribute(usemapAttr);
     
     // If the usemap attribute starts with '#', it refers to a map element in the document.
     if (usemap.string()[0] == '#')
         return false;
 
     return document()->completeURL(stripLeadingAndTrailingHTMLSpaces(usemap)).isEmpty();
 }
 
-#if ENABLE(MICRODATA)
-String HTMLImageElement::itemValueText() const
-{
-    return getURLAttribute(srcAttr);
-}
-
-void HTMLImageElement::setItemValueText(const String& value, ExceptionCode&)
-{
-    setAttribute(srcAttr, value);
-}
-#endif
-
 void HTMLImageElement::reportMemoryUsage(MemoryObjectInfo* memoryObjectInfo) const
 {
     MemoryClassInfo info(memoryObjectInfo, this, WebCoreMemoryTypes::DOM);
     HTMLElement::reportMemoryUsage(memoryObjectInfo);
     info.addMember(m_imageLoader, "imageLoader");
     info.addMember(m_form, "form");
 }
 
 }