blink: Cleanup core class forward declarations

third_party/WebKit/Source/core/inspector/DevToolsHost.h

 /*
  * Copyright (C) 2007 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.
  * 2.  Redistributions in binary form must reproduce the above copyright
@@ skipping 19 matching lines @@
 #define DevToolsHost_h
 
 #include "bindings/core/v8/ScriptWrappable.h"
 #include "core/CoreExport.h"
 #include "wtf/Vector.h"
 #include "wtf/text/WTFString.h"
 
 namespace blink {
 
 class ContextMenuItem;
-class Event;
 class FrontendMenuProvider;
 class InspectorFrontendClient;
 class LocalFrame;
 
 class CORE_EXPORT DevToolsHost final
     : public GarbageCollectedFinalized<DevToolsHost>,
       public ScriptWrappable {
   DEFINE_WRAPPERTYPEINFO();
 
  public:
@@ skipping 37 matching lines @@
   void evaluateScript(const String&);
 
   InspectorFrontendClient* m_client;
   Member<LocalFrame> m_frontendFrame;
   Member<FrontendMenuProvider> m_menuProvider;
 };
 
 }  // namespace blink
 
 #endif  // DevToolsHost_h