Clean up forward declarations and include files in Source/bindings

Source/bindings/core/v8/DOMWrapperWorld.h

 /*
  * Copyright (C) 2009 Google 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:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 19 matching lines @@
 
 #ifndef DOMWrapperWorld_h
 #define DOMWrapperWorld_h
 
 #include "bindings/core/v8/ScriptState.h"
 #include "platform/weborigin/SecurityOrigin.h"
 #include "wtf/MainThread.h"
 #include "wtf/PassRefPtr.h"
 #include "wtf/RefCounted.h"
 #include "wtf/RefPtr.h"
-#include "wtf/text/WTFString.h"
 #include <v8.h>
 
 namespace blink {
 
 class DOMDataStore;
-class ExecutionContext;
-class ScriptController;
 
 enum WorldIdConstants {
     MainWorldId = 0,
     // Embedder isolated worlds can use IDs in [1, 1<<29).
     EmbedderWorldIdLimit = (1 << 29),
     ScriptPreprocessorIsolatedWorldId,
     PrivateScriptIsolatedWorldId,
     IsolatedWorldIdLimit,
     WorkerWorldId,
     TestingWorldId,
@@ skipping 129 matching lines @@
 
     const int m_worldId;
     const int m_extensionGroup;
     OwnPtr<DOMDataStore> m_domDataStore;
     HashSet<OwnPtr<DOMObjectHolderBase> > m_domObjectHolders;
 };
 
 } // namespace blink
 
 #endif // DOMWrapperWorld_h