Tried using CrossThreadPersistent for workerDebuggerAgents

Source/core/inspector/PageDebuggerAgent.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 26 matching lines @@
 #include "core/frame/FrameConsole.h"
 #include "core/frame/LocalFrame.h"
 #include "core/inspector/InspectorOverlay.h"
 #include "core/inspector/InspectorPageAgent.h"
 #include "core/inspector/InstrumentingAgents.h"
 #include "core/loader/DocumentLoader.h"
 #include "core/page/Page.h"
 
 namespace WebCore {
 
-PassOwnPtr<PageDebuggerAgent> PageDebuggerAgent::create(PageScriptDebugServer* pageScriptDebugServer, InspectorPageAgent* pageAgent, InjectedScriptManager* injectedScriptManager, InspectorOverlay* overlay)
+PassOwnPtrWillBeRawPtr<PageDebuggerAgent> PageDebuggerAgent::create(PageScriptDebugServer* pageScriptDebugServer, InspectorPageAgent* pageAgent, InjectedScriptManager* injectedScriptManager, InspectorOverlay* overlay)
 {
-    return adoptPtr(new PageDebuggerAgent(pageScriptDebugServer, pageAgent, injectedScriptManager, overlay));
+    return adoptPtrWillBeNoop(new PageDebuggerAgent(pageScriptDebugServer, pageAgent, injectedScriptManager, overlay));
 }
 
 PageDebuggerAgent::PageDebuggerAgent(PageScriptDebugServer* pageScriptDebugServer, InspectorPageAgent* pageAgent, InjectedScriptManager* injectedScriptManager, InspectorOverlay* overlay)
     : InspectorDebuggerAgent(injectedScriptManager)
     , m_pageScriptDebugServer(pageScriptDebugServer)
     , m_pageAgent(pageAgent)
     , m_overlay(overlay)
 {
     m_overlay->overlayHost()->setListener(this);
 }
 
 PageDebuggerAgent::~PageDebuggerAgent()
 {
 }
 
+void PageDebuggerAgent::trace(Visitor* visitor)
+{
+    visitor->trace(m_pageAgent);
+    InspectorDebuggerAgent::trace(visitor);
+}
+
 void PageDebuggerAgent::enable()
 {
     InspectorDebuggerAgent::enable();
     m_instrumentingAgents->setPageDebuggerAgent(this);
 }
 
 void PageDebuggerAgent::disable()
 {
     InspectorDebuggerAgent::disable();
     m_instrumentingAgents->setPageDebuggerAgent(0);
@@ skipping 82 matching lines @@
 
 void PageDebuggerAgent::didCommitLoad(LocalFrame* frame, DocumentLoader* loader)
 {
     LocalFrame* mainFrame = frame->page()->mainFrame();
     if (loader->frame() == mainFrame)
         pageDidCommitLoad();
 }
 
 } // namespace WebCore