Tried using CrossThreadPersistent for workerDebuggerAgents

Source/core/inspector/InspectorWorkerAgent.cpp

Index: Source/core/inspector/InspectorWorkerAgent.cpp
diff --git a/Source/core/inspector/InspectorWorkerAgent.cpp b/Source/core/inspector/InspectorWorkerAgent.cpp
index 3469d9fe4ea5982ce1cb2ee23ea69a001cecf868..46b460447ff66a7d2fb57cbfdd2853a3a1d4e024 100644
--- a/Source/core/inspector/InspectorWorkerAgent.cpp
+++ b/Source/core/inspector/InspectorWorkerAgent.cpp
@@ -105,9 +105,9 @@ private:
 
 int InspectorWorkerAgent::WorkerFrontendChannel::s_nextId = 1;
 
-PassOwnPtr<InspectorWorkerAgent> InspectorWorkerAgent::create()
+PassOwnPtrWillBeRawPtr<InspectorWorkerAgent> InspectorWorkerAgent::create()
 {
-    return adoptPtr(new InspectorWorkerAgent());
+    return adoptPtrWillBeNoop(new InspectorWorkerAgent());
 }
 
 InspectorWorkerAgent::InspectorWorkerAgent()
@@ -118,7 +118,9 @@ InspectorWorkerAgent::InspectorWorkerAgent()
 
 InspectorWorkerAgent::~InspectorWorkerAgent()
 {
+#if !ENABLE(OILPAN)
     m_instrumentingAgents->setInspectorWorkerAgent(0);
+#endif
 }
 
 void InspectorWorkerAgent::init()