blink: Cleanup class/struct forward declarations

third_party/WebKit/Source/web/WebDevToolsAgentImpl.h

 /*
  * Copyright (C) 2010 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 33 matching lines @@
 #include <memory>
 
 namespace blink {
 
 class GraphicsLayer;
 class InspectedFrames;
 class InspectorOverlay;
 class InspectorResourceContainer;
 class InspectorResourceContentLoader;
 class LocalFrame;
-class Page;
 class WebDevToolsAgentClient;
 class WebFrameWidgetImpl;
 class WebLayerTreeView;
 class WebLocalFrameImpl;
 class WebString;
 class WebViewImpl;
 
 class WebDevToolsAgentImpl final
     : public GarbageCollectedFinalized<WebDevToolsAgentImpl>,
       public WebDevToolsAgent,
@@ skipping 98 matching lines @@
   Member<InspectorTracingAgent> m_tracingAgent;
 
   Member<InspectorSession> m_session;
   bool m_includeViewAgents;
   int m_layerTreeId;
 };
 
 }  // namespace blink
 
 #endif