Tried using CrossThreadPersistent for workerDebuggerAgents

Source/core/inspector/InspectorController.h

Index: Source/core/inspector/InspectorController.h
diff --git a/Source/core/inspector/InspectorController.h b/Source/core/inspector/InspectorController.h
index 8fdffd46864231a19475fe22cd345614ac4a8b12..6df1351e85a01b21c8eb889de4414c78157ac742 100644
--- a/Source/core/inspector/InspectorController.h
+++ b/Source/core/inspector/InspectorController.h
@@ -68,20 +68,21 @@ class PlatformMouseEvent;
 class PlatformTouchEvent;
 class Node;
 
-class InspectorController {
+class InspectorController : public NoBaseWillBeGarbageCollectedFinalized<InspectorController> {
     WTF_MAKE_NONCOPYABLE(InspectorController);
-    WTF_MAKE_FAST_ALLOCATED;
+    WTF_MAKE_FAST_ALLOCATED_WILL_BE_REMOVED;
 public:
     ~InspectorController();
+    void trace(Visitor*);
 
-    static PassOwnPtr<InspectorController> create(Page*, InspectorClient*);
+    static PassOwnPtrWillBeRawPtr<InspectorController> create(Page*, InspectorClient*);
 
     // Settings overrides.
     void setTextAutosizingEnabled(bool);
     void setDeviceScaleAdjustment(float);
 
     void willBeDestroyed();
-    void registerModuleAgent(PassOwnPtr<InspectorAgent>);
+    void registerModuleAgent(PassOwnPtrWillBeRawPtr<InspectorAgent>);
 
     void setInspectorFrontendClient(PassOwnPtr<InspectorFrontendClient>);
     void didClearDocumentOfWindowObject(LocalFrame*);
@@ -138,24 +139,24 @@ private:
 
     friend InstrumentingAgents* instrumentationForPage(Page*);
 
-    RefPtr<InstrumentingAgents> m_instrumentingAgents;
+    RefPtrWillBeMember<InstrumentingAgents> m_instrumentingAgents;
     OwnPtr<InjectedScriptManager> m_injectedScriptManager;
     OwnPtr<InspectorCompositeState> m_state;
     OwnPtr<InspectorOverlay> m_overlay;
 
-    InspectorDOMAgent* m_domAgent;
-    InspectorPageAgent* m_pageAgent;
-    InspectorTimelineAgent* m_timelineAgent;
-    InspectorLayerTreeAgent* m_layerTreeAgent;
-    InspectorTracingAgent* m_tracingAgent;
+    RawPtrWillBeMember<InspectorDOMAgent> m_domAgent;
+    RawPtrWillBeMember<InspectorPageAgent> m_pageAgent;
+    RawPtrWillBeMember<InspectorTimelineAgent> m_timelineAgent;
+    RawPtrWillBeMember<InspectorLayerTreeAgent> m_layerTreeAgent;
+    RawPtrWillBeMember<InspectorTracingAgent> m_tracingAgent;
 
     RefPtr<InspectorBackendDispatcher> m_inspectorBackendDispatcher;
     OwnPtr<InspectorFrontendClient> m_inspectorFrontendClient;
     OwnPtr<InspectorFrontend> m_inspectorFrontend;
     Page* m_page;
     InspectorClient* m_inspectorClient;
-    InspectorAgentRegistry m_agents;
-    Vector<InspectorAgent*> m_moduleAgents;
+    OwnPtrWillBeMember<InspectorAgentRegistry> m_agents;
+    WillBeHeapVector<RawPtrWillBeMember<InspectorAgent> > m_moduleAgents;
     bool m_isUnderTest;
     bool m_deferredAgentsInitialized;
 };