[WIP][NotForLand] IDL dictionary support

Source/core/testing/Internals.cpp

 /*
  * Copyright (C) 2012 Google Inc. All rights reserved.
  * Copyright (C) 2013 Apple Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
@@ skipping 2330 matching lines @@
     frame()->document()->getTransitionElementData(elementData);
 
     StringBuilder markup;
     Vector<Document::TransitionElementData>::iterator iter = elementData.begin();
     for (; iter != elementData.end(); ++iter)
         markup.append(iter->markup);
 
     return markup.toString();
 }
 
+PassRefPtrWillBeRawPtr<SomeDictionaryUser> Internals::someDictionaryUser()
+{
+    if (!m_someDictionaryUser)
+        m_someDictionaryUser = SomeDictionaryUser::create();
+    return m_someDictionaryUser;
+}
+
 } // namespace blink