Revert of DevTools: use per-LocalFrame instrumenting agents instead of per-Page ones.

Source/core/inspector/InspectorController.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 119 matching lines @@
     void willComposite();
     void didComposite();
 
     void processGPUEvent(double timestamp, int phase, bool foreign, uint64_t usedGPUMemoryBytes, uint64_t limitGPUMemoryBytes);
 
     void scriptsEnabled(bool);
 
     void willAddPageOverlay(const GraphicsLayer*);
     void didRemovePageOverlay(const GraphicsLayer*);
 
-    InstrumentingAgents* instrumentingAgents() { return m_instrumentingAgents.get(); }
-
 private:
     InspectorController(Page*, InspectorClient*);
 
     void initializeDeferredAgents();
 
+    friend InstrumentingAgents* instrumentationForPage(Page*);
+
     RefPtrWillBeMember<InstrumentingAgents> m_instrumentingAgents;
     OwnPtrWillBeMember<InjectedScriptManager> m_injectedScriptManager;
     OwnPtrWillBeMember<InspectorCompositeState> m_state;
     OwnPtrWillBeMember<InspectorOverlay> m_overlay;
     OwnPtrWillBeMember<AsyncCallTracker> m_asyncCallTracker;
 
     RawPtrWillBeMember<InspectorDOMAgent> m_domAgent;
     RawPtrWillBeMember<InspectorPageAgent> m_pageAgent;
     RawPtrWillBeMember<InspectorTimelineAgent> m_timelineAgent;
     RawPtrWillBeMember<InspectorCSSAgent> m_cssAgent;
     RawPtrWillBeMember<InspectorResourceAgent> m_resourceAgent;
     RawPtrWillBeMember<InspectorLayerTreeAgent> m_layerTreeAgent;
     RawPtrWillBeMember<InspectorTracingAgent> m_tracingAgent;
     RawPtrWillBeMember<InspectorAnimationAgent> m_animationAgent;
 
     RefPtrWillBeMember<InspectorBackendDispatcher> m_inspectorBackendDispatcher;
     InspectorFrontendClient* m_inspectorFrontendClient;
     OwnPtr<InspectorFrontend> m_inspectorFrontend;
+    RawPtrWillBeMember<Page> m_page;
     InspectorClient* m_inspectorClient;
     InspectorAgentRegistry m_agents;
     bool m_isUnderTest;
     bool m_deferredAgentsInitialized;
     String m_hostId;
 };
 
 }
 
 
 #endif // InspectorController_h