DevTools: migrate protocol dispatcher off RefPtr.

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 150 matching lines @@
     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::Dispatcher> m_inspectorBackendDispatcher;
     OwnPtr<protocol::Frontend> m_inspectorFrontend;
     InspectorAgentRegistry m_agents;
     bool m_deferredAgentsInitialized;
 
     typedef Vector<std::pair<int, OwnPtr<protocol::Value>>> NotificationQueue;
     NotificationQueue m_notificationQueue;
     int m_sessionId;
     String m_stateCookie;
     bool m_stateMuted;
 
     friend class DebuggerTask;
 };
 
 } // namespace blink
 
 #endif