Remove MicroData implementation

Source/WebCore/html/HTMLIFrameElement.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2000 Simon Hausmann (hausmann@kde.org)
  *           (C) 2001 Dirk Mueller (mueller@kde.org)
  * Copyright (C) 2004, 2006, 2008, 2009 Apple Inc. All rights reserved.
  * Copyright (C) 2009 Ericsson AB. 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
@@ skipping 121 matching lines @@
 
 void HTMLIFrameElement::didRecalcStyle(StyleChange styleChange)
 {
     if (!shouldDisplaySeamlessly())
         return;
     Document* childDocument = contentDocument();
     if (styleChange >= Inherit || childDocument->childNeedsStyleRecalc() || childDocument->needsStyleRecalc())
         contentDocument()->recalcStyle(styleChange);
 }
 
-#if ENABLE(MICRODATA)
-String HTMLIFrameElement::itemValueText() const
-{
-    return getURLAttribute(srcAttr);
 }
-
-void HTMLIFrameElement::setItemValueText(const String& value, ExceptionCode&)
-{
-    setAttribute(srcAttr, value);
-}
-#endif
-
-}