Tried using CrossThreadPersistent for workerDebuggerAgents

Source/core/inspector/InspectorResourceAgent.cpp

Index: Source/core/inspector/InspectorResourceAgent.cpp
diff --git a/Source/core/inspector/InspectorResourceAgent.cpp b/Source/core/inspector/InspectorResourceAgent.cpp
index d53640c8abffa34e8c78f0130c6e29ee9251fa6a..b24aab799f8bd4f73fe2a5fdde97bdb6f4b18ee9 100644
--- a/Source/core/inspector/InspectorResourceAgent.cpp
+++ b/Source/core/inspector/InspectorResourceAgent.cpp
@@ -287,7 +287,15 @@ InspectorResourceAgent::~InspectorResourceAgent()
         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)