Oilpan: move core/workers to oilpan's heap.

Source/core/workers/WorkerThread.h

 /*
  * Copyright (C) 2008 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 11 matching lines @@
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  *
  */
 
 #ifndef WorkerThread_h
 #define WorkerThread_h
 
 #include "core/frame/ContentSecurityPolicy.h"
 #include "core/workers/WorkerRunLoop.h"
+#include "heap/Handle.h"
 #include "platform/weborigin/SecurityOrigin.h"
 #include "wtf/Forward.h"
 #include "wtf/OwnPtr.h"
 #include "wtf/PassRefPtr.h"
 #include "wtf/RefCounted.h"
 
 namespace blink {
 class WebWaitableEvent;
 }
 
 namespace WebCore {
 
     class KURL;
     class NotificationClient;
     class WorkerGlobalScope;
     class WorkerLoaderProxy;
     class WorkerReportingProxy;
-    struct WorkerThreadStartupData;
+    class WorkerThreadStartupData;
 
     enum WorkerThreadStartMode { DontPauseWorkerGlobalScopeOnStart, PauseWorkerGlobalScopeOnStart };
 
-    class WorkerThread : public RefCounted<WorkerThread> {
+    class WorkerThread : public RefCountedWillBeGarbageCollectedFinalized<WorkerThread> {
+        DECLARE_GC_INFO;
     public:
         virtual ~WorkerThread();
 
         bool start();
         void stop();
 
         // Can be used to wait for this worker thread to shut down.
         // (This is signalled on the main thread, so it's assumed to be waited on the worker context thread)
         blink::WebWaitableEvent* shutdownEvent() { return m_shutdownEvent.get(); }
 
         bool isCurrentThread() const;
         WorkerRunLoop& runLoop() { return m_runLoop; }
         WorkerLoaderProxy& workerLoaderProxy() const { return m_workerLoaderProxy; }
         WorkerReportingProxy& workerReportingProxy() const { return m_workerReportingProxy; }
 
         // Number of active worker threads.
         static unsigned workerThreadCount();
         static void releaseFastMallocFreeMemoryInAllThreads();
 
         NotificationClient* getNotificationClient() { return m_notificationClient; }
         void setNotificationClient(NotificationClient* client) { m_notificationClient = client; }
 
+        void trace(Visitor*);

[Mads Ager (chromium), 2014/02/24 13:27:53]

Please make this virtual and make sure to implement it in subclasses with
explicit dispatching to the superclass trace method.

+
     protected:
-        WorkerThread(WorkerLoaderProxy&, WorkerReportingProxy&, PassOwnPtr<WorkerThreadStartupData>);
+        WorkerThread(WorkerLoaderProxy&, WorkerReportingProxy&, PassOwnPtrWillBeRawPtr<WorkerThreadStartupData>);
 
         // Factory method for creating a new worker context for the thread.
-        virtual PassRefPtr<WorkerGlobalScope> createWorkerGlobalScope(PassOwnPtr<WorkerThreadStartupData>) = 0;
+        virtual PassRefPtrWillBeRawPtr<WorkerGlobalScope> createWorkerGlobalScope(PassOwnPtrWillBeRawPtr<WorkerThreadStartupData>) = 0;
 
         // Executes the event loop for the worker thread. Derived classes can override to perform actions before/after entering the event loop.
         virtual void runEventLoop();
 
         WorkerGlobalScope* workerGlobalScope() { return m_workerGlobalScope.get(); }
 
     private:
         // Static function executed as the core routine on the new thread. Passed a pointer to a WorkerThread object.
         static void workerThreadStart(void*);
 
         void workerThread();
 
         ThreadIdentifier m_threadID;
         WorkerRunLoop m_runLoop;
         WorkerLoaderProxy& m_workerLoaderProxy;
         WorkerReportingProxy& m_workerReportingProxy;
 
-        RefPtr<WorkerGlobalScope> m_workerGlobalScope;
+        RefPtrWillBeMember<WorkerGlobalScope> m_workerGlobalScope;
         Mutex m_threadCreationMutex;
 
-        OwnPtr<WorkerThreadStartupData> m_startupData;
+        OwnPtrWillBeMember<WorkerThreadStartupData> m_startupData;
 
         NotificationClient* m_notificationClient;
 
         // Used to signal thread shutdown.
         OwnPtr<blink::WebWaitableEvent> m_shutdownEvent;
     };
 
 } // namespace WebCore
 
 #endif // WorkerThread_h