Remove WebKit::Platform dependencies from cc

webkit/compositor_bindings/ccthread_impl.h

-// Copyright 2011 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#include "base/memory/scoped_ptr.h"
-#include "base/threading/platform_thread.h"
-#include "cc/thread.h"
-#include <wtf/OwnPtr.h>
-#include <wtf/PassOwnPtr.h>
-
-#ifndef CCThreadImpl_h
-#define CCThreadImpl_h
-
-namespace WebKit {
-
-class WebThread;
-
-// Implements Thread in terms of WebThread.
-class CCThreadImpl : public cc::Thread {
-public:
-    // Creates a CCThreadImpl wrapping the current thread.
-    static scoped_ptr<cc::Thread> createForCurrentThread();
-
-    // Creates a Thread wrapping a non-current WebThread.
-    static scoped_ptr<cc::Thread> createForDifferentThread(WebThread*);
-
-    virtual ~CCThreadImpl();
-    virtual void postTask(PassOwnPtr<cc::Thread::Task>);
-    virtual void postDelayedTask(PassOwnPtr<cc::Thread::Task>, long long delayMs);
-    base::PlatformThreadId threadID() const;
-
-private:
-    CCThreadImpl(WebThread*, bool currentThread);
-
-    WebThread* m_thread;
-    base::PlatformThreadId m_threadID;
-};
-
-} // namespace WebKit
-
-#endif