Clean up forward declarations in WebKit/Source

Source/core/inspector/InjectedScriptManager.h

 /*
  * Copyright (C) 2007 Apple Inc. All rights reserved.
  * Copyright (C) 2012 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:
  *
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
@@ skipping 20 matching lines @@
 #define InjectedScriptManager_h
 
 #include "bindings/core/v8/ScriptState.h"
 #include "wtf/Forward.h"
 #include "wtf/HashMap.h"
 #include "wtf/text/WTFString.h"
 #include <v8.h>
 
 namespace blink {
 
-class LocalDOMWindow;
 class InjectedScript;
 class InjectedScriptHost;
 class ScriptValue;
 
 class InjectedScriptManager : public NoBaseWillBeGarbageCollectedFinalized<InjectedScriptManager> {
     WTF_MAKE_NONCOPYABLE(InjectedScriptManager);
     WTF_MAKE_FAST_ALLOCATED_WILL_BE_REMOVED;
 public:
     struct CallbackData {
         ScopedPersistent<v8::Object> handle;
@@ skipping 42 matching lines @@
     InspectedStateAccessCheck m_inspectedStateAccessCheck;
     typedef HashMap<RefPtr<ScriptState>, int> ScriptStateToId;
     ScriptStateToId m_scriptStateToId;
     HashSet<OwnPtr<CallbackData> > m_callbackDataSet;
     bool m_customObjectFormatterEnabled;
 };
 
 } // namespace blink
 
 #endif // !defined(InjectedScriptManager_h)