Change WokerThread to use a blink::WebThread

Source/core/workers/WorkerRunLoop.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
- * copyright notice, this list of conditions and the following disclaimer
- * in the documentation and/or other materials provided with the
- * distribution.
- *     * Neither the name of Google Inc. nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (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 WorkerRunLoop_h
-#define WorkerRunLoop_h
-
-#include "core/dom/ExecutionContext.h"
-#include "core/dom/ExecutionContextTask.h"
-#include "public/platform/WebThread.h"
-#include "wtf/Functional.h"
-#include "wtf/MessageQueue.h"
-#include "wtf/OwnPtr.h"
-#include "wtf/PassOwnPtr.h"
-
-namespace blink {
-
-    class WorkerGlobalScope;
-    class WorkerSharedTimer;
-
-    class WorkerRunLoop {
-    public:
-        WorkerRunLoop();
-        ~WorkerRunLoop();
-
-        void setWorkerGlobalScope(WorkerGlobalScope*);
-
-        // Blocking call. Waits for tasks and timers, invokes the callbacks.
-        void run();
-
-        enum WaitMode { WaitForMessage, DontWaitForMessage };
-
-        // Waits for a single debugger task and returns.
-        MessageQueueWaitResult runDebuggerTask(WaitMode = WaitForMessage);
-
-        void terminate();
-        bool terminated() const { return m_messageQueue.killed(); }
-
-        WorkerGlobalScope* context() const { return m_context; }
-
-        // Returns true if the loop is still alive, false if it has been terminated.
-        bool postTask(PassOwnPtr<ExecutionContextTask>);
-
-        void postTaskAndTerminate(PassOwnPtr<ExecutionContextTask>);
-
-        // Returns true if the loop is still alive, false if it has been terminated.
-        bool postDebuggerTask(PassOwnPtr<ExecutionContextTask>);
-
-    private:
-        friend class RunLoopSetup;
-        MessageQueueWaitResult run(MessageQueue<blink::WebThread::Task>&, WaitMode);
-
-        // Runs any clean up tasks that are currently in the queue and returns.
-        // This should only be called when the context is closed or loop has been terminated.
-        void runCleanupTasks();
-
-        MessageQueue<blink::WebThread::Task> m_messageQueue;
-        MessageQueue<blink::WebThread::Task> m_debuggerMessageQueue;
-        OwnPtr<WorkerSharedTimer> m_sharedTimer;
-        WorkerGlobalScope* m_context;
-        int m_nestedCount;
-    };
-
-} // namespace blink
-
-#endif // WorkerRunLoop_h