Tried using CrossThreadPersistent for workerDebuggerAgents

Source/core/inspector/InspectorResourceAgent.cpp

 /*
  * 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 269 matching lines @@
 
     return responseObject;
 }
 
 InspectorResourceAgent::~InspectorResourceAgent()
 {
     if (m_state->getBoolean(ResourceAgentState::resourceAgentEnabled)) {
         ErrorString error;
         disable(&error);
     }
+#if !ENABLE(OILPAN)
     ASSERT(!m_instrumentingAgents->inspectorResourceAgent());
+#endif
+}
+
+void InspectorResourceAgent::trace(Visitor* visitor)
+{
+    visitor->trace(m_pageAgent);
+    InspectorBaseAgent::trace(visitor);
 }
 
 void InspectorResourceAgent::willSendRequest(unsigned long identifier, DocumentLoader* loader, ResourceRequest& request, const ResourceResponse& redirectResponse, const FetchInitiatorInfo& initiatorInfo)
 {
     // Ignore the request initiated internally.
     if (initiatorInfo.name == FetchInitiatorTypeNames::internal)
         return;
     String requestId = IdentifiersFactory::requestId(identifier);
     m_resourcesData->resourceCreated(requestId, m_pageAgent->loaderId(loader));
 
@@ skipping 511 matching lines @@
 InspectorResourceAgent::InspectorResourceAgent(InspectorPageAgent* pageAgent)
     : InspectorBaseAgent<InspectorResourceAgent>("Network")
     , m_pageAgent(pageAgent)
     , m_frontend(0)
     , m_resourcesData(adoptPtr(new NetworkResourcesData()))
     , m_isRecalculatingStyle(false)
 {
 }
 
 } // namespace WebCore