[DevTools] Destroy agents on detach.

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 119 matching lines @@
 
     // protocol::FrontendChannel implementation.
     void sendProtocolResponse(int sessionId, int callId, PassOwnPtr<protocol::DictionaryValue> message) override;
     void sendProtocolNotification(PassOwnPtr<protocol::DictionaryValue> message) override;
     void flush() override;
 
     // WebThread::TaskObserver implementation.
     void willProcessTask() override;
     void didProcessTask() override;
 
-    void initializeDeferredAgents();
+    void initializeAgents();
+    void destroyAgents();
 
     friend class WebDevToolsAgent;
     static void runDebuggerTask(int sessionId, PassOwnPtr<WebDevToolsAgent::MessageDescriptor>);
 
     WebDevToolsAgentClient* m_client;
     Member<WebLocalFrameImpl> m_webLocalFrameImpl;
     bool m_attached;
 #if DCHECK_IS_ON()
     bool m_hasBeenDisposed;
 #endif
 
     Member<InstrumentingAgents> m_instrumentingAgents;
     Member<InspectorResourceContentLoader> m_resourceContentLoader;
     Member<InspectorOverlay> m_overlay;
     Member<InspectedFrames> m_inspectedFrames;
     Member<InspectorResourceContainer> m_resourceContainer;
     OwnPtr<V8InspectorSession> m_v8Session;
 
     Member<InspectorDOMAgent> m_domAgent;
     Member<InspectorPageAgent> m_pageAgent;
     Member<InspectorResourceAgent> m_resourceAgent;
     Member<InspectorLayerTreeAgent> m_layerTreeAgent;
     Member<InspectorTracingAgent> m_tracingAgent;
 
     OwnPtr<protocol::Dispatcher> m_inspectorBackendDispatcher;
     OwnPtr<protocol::Frontend> m_inspectorFrontend;
     InspectorAgentRegistry m_agents;
-    bool m_deferredAgentsInitialized;
     bool m_includeViewAgents;
 
     typedef Vector<std::pair<int, OwnPtr<protocol::Value>>> NotificationQueue;
     NotificationQueue m_notificationQueue;
     int m_sessionId;
     String m_stateCookie;
     bool m_stateMuted;
     int m_layerTreeId;
 };
 
 } // namespace blink
 
 #endif