[DevTools] Postpone more agents instantiation until attached.

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 107 matching lines @@
 
     // InspectorTracingAgent::Client implementation.
     void enableTracing(const WTF::String& categoryFilter) override;
     void disableTracing() override;
 
     // InspectorEmulationAgent::Client implementation.
     void setCPUThrottlingRate(double) override;
 
     // InspectorRuntimeAgent::Client implementation.
     void resumeStartup() override;
+    bool didCommitLoadFired() override;
 
     // InspectorPageAgent::Client implementation.
     void pageLayoutInvalidated(bool resized) override;
     void setPausedInDebuggerMessage(const String&) override;
     void waitForCreateWindow(LocalFrame*) override;
 
     // protocol::FrontendChannel implementation.
     void sendProtocolResponse(int sessionId, int callId, PassRefPtr<protocol::DictionaryValue> message) override;
     void sendProtocolNotification(PassRefPtr<protocol::DictionaryValue> message) override;
     void flush() override;
@@ skipping 15 matching lines @@
     OwnPtrWillBeMember<InspectorResourceContentLoader> m_resourceContentLoader;
     OwnPtrWillBeMember<InspectorOverlay> m_overlay;
     OwnPtrWillBeMember<InspectedFrames> m_inspectedFrames;
 
     RawPtrWillBeMember<InspectorInspectorAgent> m_inspectorAgent;
     RawPtrWillBeMember<InspectorDOMAgent> m_domAgent;
     RawPtrWillBeMember<InspectorPageAgent> m_pageAgent;
     RawPtrWillBeMember<InspectorResourceAgent> m_resourceAgent;
     RawPtrWillBeMember<InspectorLayerTreeAgent> m_layerTreeAgent;
     RawPtrWillBeMember<InspectorTracingAgent> m_tracingAgent;
+    RawPtrWillBeMember<InspectorWorkerAgent> m_workerAgent;
     RawPtrWillBeMember<PageRuntimeAgent> m_pageRuntimeAgent;
     RawPtrWillBeMember<PageConsoleAgent> m_pageConsoleAgent;
 
+    int m_layerTreeId;
+    bool m_inspectedFrameDidCommitLoad;
+
     RefPtr<protocol::Dispatcher> m_inspectorBackendDispatcher;
     OwnPtr<protocol::Frontend> m_inspectorFrontend;
     InspectorAgentRegistry m_agents;
     bool m_deferredAgentsInitialized;
 
     typedef Vector<std::pair<int, RefPtr<protocol::Value>>> NotificationQueue;
     NotificationQueue m_notificationQueue;
     int m_sessionId;
     String m_stateCookie;
     bool m_stateMuted;
 
     friend class DebuggerTask;
 };
 
 } // namespace blink
 
 #endif