workers: Move ownership of WebThread from WorkerThread

Source/core/workers/DedicatedWorkerThread.h

 /*
  * Copyright (C) 2009 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 27 matching lines @@
 class WorkerObjectProxy;
 class WorkerThreadStartupData;
 
 class DedicatedWorkerThread final : public WorkerThread {
 public:
     static PassRefPtr<DedicatedWorkerThread> create(PassRefPtr<WorkerLoaderProxy>, WorkerObjectProxy&, double timeOrigin, PassOwnPtr<WorkerThreadStartupData>);
     WorkerObjectProxy& workerObjectProxy() const { return m_workerObjectProxy; }
     virtual ~DedicatedWorkerThread();
 
 protected:
-    virtual PassRefPtrWillBeRawPtr<WorkerGlobalScope> createWorkerGlobalScope(PassOwnPtr<WorkerThreadStartupData>) override;
-    virtual void postInitialize() override;
+    PassRefPtrWillBeRawPtr<WorkerGlobalScope> createWorkerGlobalScope(PassOwnPtr<WorkerThreadStartupData>) override;
+    void postInitialize() override;
+    WebThreadSupportingGC* webThreadSupportingGC() override;

[kinuko, 2015/04/30 02:30:07]

backingThread() may give better context?

[sadrul, 2015/04/30 05:27:40]

Agree. Done.

 
 private:
     DedicatedWorkerThread(PassRefPtr<WorkerLoaderProxy>, WorkerObjectProxy&, double timeOrigin, PassOwnPtr<WorkerThreadStartupData>);
 
     WorkerObjectProxy& m_workerObjectProxy;
     double m_timeOrigin;
+    OwnPtr<WebThreadSupportingGC> m_thread;
 };
 
 } // namespace blink
 
 #endif // DedicatedWorkerThread_h