Tried using CrossThreadPersistent for workerDebuggerAgents

Source/core/inspector/InspectorResourceAgent.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 55 matching lines @@
 class XHRReplayData;
 class XMLHttpRequest;
 
 class WebSocketHandshakeRequest;
 class WebSocketHandshakeResponse;
 
 typedef String ErrorString;
 
 class InspectorResourceAgent FINAL : public InspectorBaseAgent<InspectorResourceAgent>, public InspectorBackendDispatcher::NetworkCommandHandler {
 public:
-    static PassOwnPtr<InspectorResourceAgent> create(InspectorPageAgent* pageAgent)
+    static PassOwnPtrWillBeRawPtr<InspectorResourceAgent> create(InspectorPageAgent* pageAgent)
     {
-        return adoptPtr(new InspectorResourceAgent(pageAgent));
+        return adoptPtrWillBeNoop(new InspectorResourceAgent(pageAgent));
     }
 
     virtual void setFrontend(InspectorFrontend*) OVERRIDE;
     virtual void clearFrontend() OVERRIDE;
     virtual void restore() OVERRIDE;
 
     virtual ~InspectorResourceAgent();
+    virtual void trace(Visitor*) OVERRIDE;
 
     // Called from instrumentation.
     void willSendRequest(unsigned long identifier, DocumentLoader*, ResourceRequest&, const ResourceResponse& redirectResponse, const FetchInitiatorInfo&);
     void markResourceAsCached(unsigned long identifier);
     void didReceiveResourceResponse(LocalFrame*, unsigned long identifier, DocumentLoader*, const ResourceResponse&, ResourceLoader*);
     void didReceiveData(LocalFrame*, unsigned long identifier, const char* data, int dataLength, int encodedDataLength);
     void didFinishLoading(unsigned long identifier, DocumentLoader*, double monotonicFinishTime, int64_t encodedDataLength);
     void didReceiveCORSRedirectResponse(LocalFrame*, unsigned long identifier, DocumentLoader*, const ResourceResponse&, ResourceLoader*);
     void didFailLoading(unsigned long identifier, const ResourceError&);
     void didCommitLoad(LocalFrame*, DocumentLoader*);
@@ skipping 46 matching lines @@
     virtual void loadResourceForFrontend(ErrorString*, const String& frameId, const String& url, const RefPtr<JSONObject>* requestHeaders, PassRefPtr<LoadResourceForFrontendCallback>) OVERRIDE;
 
     // Called from other agents.
     bool fetchResourceContent(LocalFrame*, const KURL&, String* content, bool* base64Encoded);
 
 private:
     InspectorResourceAgent(InspectorPageAgent*);
 
     void enable();
 
-    InspectorPageAgent* m_pageAgent;
+    RawPtrWillBeMember<InspectorPageAgent> m_pageAgent;
     InspectorFrontend::Network* m_frontend;
     String m_userAgentOverride;
     OwnPtr<NetworkResourcesData> m_resourcesData;
 
     typedef HashMap<ThreadableLoaderClient*, RefPtr<XHRReplayData> > PendingXHRReplayDataMap;
     PendingXHRReplayDataMap m_pendingXHRReplayData;
 
     typedef HashMap<String, RefPtr<TypeBuilder::Network::Initiator> > FrameNavigationInitiatorMap;
     FrameNavigationInitiatorMap m_frameNavigationInitiatorMap;
 
     // FIXME: InspectorResourceAgent should now be aware of style recalculation.
     RefPtr<TypeBuilder::Network::Initiator> m_styleRecalculationInitiator;
     bool m_isRecalculatingStyle;
 };
 
 } // namespace WebCore
 
 
 #endif // !defined(InspectorResourceAgent_h)