Tried using CrossThreadPersistent for workerDebuggerAgents

Source/core/inspector/InspectorDOMDebuggerAgent.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 55 matching lines @@
 static const char webglErrorFiredEventName[] = "webglErrorFired";
 static const char webglWarningFiredEventName[] = "webglWarningFired";
 static const char webglErrorNameProperty[] = "webglErrorName";
 
 namespace DOMDebuggerAgentState {
 static const char eventListenerBreakpoints[] = "eventListenerBreakpoints";
 static const char pauseOnAllXHRs[] = "pauseOnAllXHRs";
 static const char xhrBreakpoints[] = "xhrBreakpoints";
 }
 
-PassOwnPtr<InspectorDOMDebuggerAgent> InspectorDOMDebuggerAgent::create(InspectorDOMAgent* domAgent, InspectorDebuggerAgent* debuggerAgent)
+PassOwnPtrWillBeRawPtr<InspectorDOMDebuggerAgent> InspectorDOMDebuggerAgent::create(InspectorDOMAgent* domAgent, InspectorDebuggerAgent* debuggerAgent)
 {
-    return adoptPtr(new InspectorDOMDebuggerAgent(domAgent, debuggerAgent));
+    return adoptPtrWillBeNoop(new InspectorDOMDebuggerAgent(domAgent, debuggerAgent));
 }
 
 InspectorDOMDebuggerAgent::InspectorDOMDebuggerAgent(InspectorDOMAgent* domAgent, InspectorDebuggerAgent* debuggerAgent)
     : InspectorBaseAgent<InspectorDOMDebuggerAgent>("DOMDebugger")
     , m_domAgent(domAgent)
     , m_debuggerAgent(debuggerAgent)
     , m_pauseInNextEventListener(false)
 {
     m_debuggerAgent->setListener(this);
     m_domAgent->setListener(this);
 }
 
 InspectorDOMDebuggerAgent::~InspectorDOMDebuggerAgent()
 {
+#if !ENABLE(OILPAN)
     ASSERT(!m_debuggerAgent);
     ASSERT(!m_instrumentingAgents->inspectorDOMDebuggerAgent());
+#endif
+}
+
+void InspectorDOMDebuggerAgent::trace(Visitor* visitor)
+{
+    visitor->trace(m_domAgent);
+    visitor->trace(m_debuggerAgent);
+    InspectorBaseAgent::trace(visitor);
 }
 
 // Browser debugger agent enabled only when JS debugger is enabled.
 void InspectorDOMDebuggerAgent::debuggerWasEnabled()
 {
     if (m_domAgent->enabled() && m_debuggerAgent->enabled())
         m_instrumentingAgents->setInspectorDOMDebuggerAgent(this);
 }
 
 void InspectorDOMDebuggerAgent::debuggerWasDisabled()
@@ skipping 38 matching lines @@
 }
 
 void InspectorDOMDebuggerAgent::clearFrontend()
 {
     disable();
 }
 
 void InspectorDOMDebuggerAgent::discardAgent()
 {
     m_debuggerAgent->setListener(0);
-    m_debuggerAgent = 0;
+    m_debuggerAgent = nullptr;
 }
 
 void InspectorDOMDebuggerAgent::setEventListenerBreakpoint(ErrorString* error, const String& eventName)
 {
     setBreakpoint(error, String(listenerEventCategoryType) + eventName);
 }
 
 void InspectorDOMDebuggerAgent::setInstrumentationBreakpoint(ErrorString* error, const String& eventName)
 {
     setBreakpoint(error, String(instrumentationEventCategoryType) + eventName);
@@ skipping 361 matching lines @@
 }
 
 void InspectorDOMDebuggerAgent::clear()
 {
     m_domBreakpoints.clear();
     m_pauseInNextEventListener = false;
 }
 
 } // namespace WebCore