Oilpan: move WorkerGlobalScope to oilpan's heap.

Source/core/workers/WorkerGlobalScope.h

 /*
  * Copyright (C) 2008, 2009 Apple 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:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 39 matching lines @@
     class Blob;
     class ExceptionState;
     class ScheduledAction;
     class WorkerClients;
     class WorkerConsole;
     class WorkerInspectorController;
     class WorkerLocation;
     class WorkerNavigator;
     class WorkerThread;
 
-    class WorkerGlobalScope : public RefCounted<WorkerGlobalScope>, public ScriptWrappable, public SecurityContext, public ExecutionContext, public ExecutionContextClient, public WorkerSupplementable, public EventTargetWithInlineData {
-        REFCOUNTED_EVENT_TARGET(WorkerGlobalScope);
+    class WorkerGlobalScope : public RefCountedWillBeRefCountedGarbageCollected<WorkerGlobalScope>, public ScriptWrappable, public SecurityContext, public ExecutionContext, public ExecutionContextClient, public WorkerSupplementable, public EventTargetWithInlineData {
+        DEFINE_EVENT_TARGET_REFCOUNTING(RefCountedWillBeRefCountedGarbageCollected<WorkerGlobalScope>);
     public:
         virtual ~WorkerGlobalScope();
 
         virtual bool isWorkerGlobalScope() const OVERRIDE FINAL { return true; }
 
         virtual ExecutionContext* executionContext() const OVERRIDE FINAL;
 
         virtual bool isSharedWorkerGlobalScope() const { return false; }
         virtual bool isDedicatedWorkerGlobalScope() const { return false; }
         virtual bool isServiceWorkerGlobalScope() const { return false; }
 
         const KURL& url() const { return m_url; }
         KURL completeURL(const String&) const;
 
         virtual String userAgent(const KURL&) const OVERRIDE FINAL;
         virtual void disableEval(const String& errorMessage) OVERRIDE FINAL;
 
         WorkerScriptController* script() { return m_script.get(); }
         void clearScript() { m_script.clear(); }
         void clearInspector();
 
+        void detach();
+
         WorkerThread* thread() const { return m_thread; }
+        void clearThread() { m_thread = 0; }
 
         virtual void postTask(PassOwnPtr<ExecutionContextTask>) OVERRIDE FINAL; // Executes the task on context's thread asynchronously.
 
         // WorkerGlobalScope
         WorkerGlobalScope* self() { return this; }
         WorkerConsole* console();
         WorkerLocation* location() const;
         void close();
 
         DEFINE_ATTRIBUTE_EVENT_LISTENER(error);
@@ skipping 22 matching lines @@
 
         bool idleNotification();
 
         double timeOrigin() const { return m_timeOrigin; }
 
         WorkerClients* clients() { return m_workerClients.get(); }
 
         using SecurityContext::securityOrigin;
         using SecurityContext::contentSecurityPolicy;
 
+        virtual void trace(Visitor*);
+
     protected:
         WorkerGlobalScope(const KURL&, const String& userAgent, WorkerThread*, double timeOrigin, PassOwnPtr<WorkerClients>);
         void applyContentSecurityPolicyFromString(const String& contentSecurityPolicy, ContentSecurityPolicy::HeaderType);
 
         virtual void logExceptionToConsole(const String& errorMessage, const String& sourceURL, int lineNumber, int columnNumber, PassRefPtr<ScriptCallStack>) OVERRIDE;
         void addMessageToWorkerConsole(MessageSource, MessageLevel, const String& message, const String& sourceURL, unsigned lineNumber, PassRefPtr<ScriptCallStack>, ScriptState*);
 
     private:
         virtual void refExecutionContext() OVERRIDE FINAL { ref(); }
         virtual void derefExecutionContext() OVERRIDE FINAL { deref(); }
 
         virtual const KURL& virtualURL() const OVERRIDE FINAL;
         virtual KURL virtualCompleteURL(const String&) const OVERRIDE FINAL;
 
         virtual void reportBlockedScriptExecutionToInspector(const String& directiveText) OVERRIDE FINAL;
         virtual void addMessage(MessageSource, MessageLevel, const String& message, const String& sourceURL, unsigned lineNumber, ScriptState* = 0) OVERRIDE FINAL;
 
         virtual EventTarget* errorEventTarget() OVERRIDE FINAL;
         virtual void didUpdateSecurityOrigin() OVERRIDE FINAL { }
 
         KURL m_url;
         String m_userAgent;
 
-        mutable RefPtr<WorkerConsole> m_console;
-        mutable RefPtr<WorkerLocation> m_location;
-        mutable RefPtr<WorkerNavigator> m_navigator;
+        mutable RefPtrWillBeMember<WorkerConsole> m_console;
+        mutable RefPtrWillBeMember<WorkerLocation> m_location;
+        mutable RefPtrWillBeMember<WorkerNavigator> m_navigator;
 
         OwnPtr<WorkerScriptController> m_script;
         WorkerThread* m_thread;
 
         OwnPtr<WorkerInspectorController> m_workerInspectorController;
         bool m_closing;
 
-        HashSet<Observer*> m_workerObservers;
-
         OwnPtr<WorkerEventQueue> m_eventQueue;
 
         OwnPtr<WorkerClients> m_workerClients;
 
         double m_timeOrigin;
     };
 
 DEFINE_TYPE_CASTS(WorkerGlobalScope, ExecutionContext, context, context->isWorkerGlobalScope(), context.isWorkerGlobalScope());
 
 } // namespace WebCore
 
 #endif // WorkerGlobalScope_h