blink: Cleanup class/struct forward declarations

third_party/WebKit/Source/core/inspector/MainThreadDebugger.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:
  *
  *     * 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 24 matching lines @@
 #include "core/CoreExport.h"
 #include "core/inspector/InspectorTaskRunner.h"
 #include "core/inspector/ThreadDebugger.h"
 #include "platform/heap/Handle.h"
 #include <memory>
 #include <v8-inspector.h>
 #include <v8.h>
 
 namespace blink {
 
-class ConsoleMessage;
 class ErrorEvent;
 class LocalFrame;
 class SecurityOrigin;
 class SourceLocation;
 
 class CORE_EXPORT MainThreadDebugger final : public ThreadDebugger {
   WTF_MAKE_NONCOPYABLE(MainThreadDebugger);
 
  public:
   class ClientMessageLoop {
@@ skipping 65 matching lines @@
 
   std::unique_ptr<ClientMessageLoop> m_clientMessageLoop;
   std::unique_ptr<InspectorTaskRunner> m_taskRunner;
   bool m_paused;
   static MainThreadDebugger* s_instance;
 };
 
 }  // namespace blink
 
 #endif  // MainThreadDebugger_h