Clean up forward declarations in Source/core/inspector

Source/core/inspector/InspectorConsoleAgent.h

 /*
  * Copyright (C) 2011 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.
  * 2.  Redistributions in binary form must reproduce the above copyright
  *     notice, this list of conditions and the following disclaimer in the
@@ skipping 25 matching lines @@
 #include "wtf/HashMap.h"
 #include "wtf/Noncopyable.h"
 #include "wtf/Vector.h"
 #include "wtf/text/StringHash.h"
 
 namespace blink {
 
 class ConsoleMessage;
 class ConsoleMessageStorage;
 class DocumentLoader;
-class LocalDOMWindow;
 class LocalFrame;
-class InspectorConsoleMessage;
 class InspectorFrontend;
 class InjectedScriptManager;
 class InspectorTimelineAgent;
-class InstrumentingAgents;
-class ResourceError;
-class ResourceLoader;
-class ResourceResponse;
-class ScriptArguments;
-class ScriptCallStack;
 class ScriptProfile;
 class ThreadableLoaderClient;
-class WorkerGlobalScopeProxy;
 class XMLHttpRequest;
 
 typedef String ErrorString;
 
 class InspectorConsoleAgent : public InspectorBaseAgent<InspectorConsoleAgent>, public InspectorBackendDispatcher::ConsoleCommandHandler {
     WTF_MAKE_NONCOPYABLE(InspectorConsoleAgent);
 public:
     InspectorConsoleAgent(InspectorTimelineAgent*, InjectedScriptManager*);
     virtual ~InspectorConsoleAgent();
     virtual void trace(Visitor*) override;
@@ skipping 34 matching lines @@
     InspectorFrontend::Console* m_frontend;
     bool m_enabled;
 private:
     static int s_enabledAgentCount;
 };
 
 } // namespace blink
 
 
 #endif // !defined(InspectorConsoleAgent_h)