[cc] Rename all cc/ filenames to Chromium style

cc/CCCompletionEvent.h

-// Copyright 2011 The Chromium Authors. All rights reserved.
+// Copyright 2012 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.
 
-#ifndef CCCompletionEvent_h
-#define CCCompletionEvent_h
-
-#include "base/synchronization/waitable_event.h"
-
-namespace cc {
-
-// Used for making blocking calls from one thread to another. Use only when
-// absolutely certain that doing-so will not lead to a deadlock.
-//
-// It is safe to destroy this object as soon as wait() returns.
-class CCCompletionEvent {
-public:
-    CCCompletionEvent()
-        : m_event(false /* manual_reset */, false /* initially_signaled */)
-    {
-#ifndef NDEBUG
-        m_waited = false;
-        m_signaled = false;
-#endif
-    }
-
-    ~CCCompletionEvent()
-    {
-        ASSERT(m_waited);
-        ASSERT(m_signaled);
-    }
-
-    void wait()
-    {
-        ASSERT(!m_waited);
-#ifndef NDEBUG
-        m_waited = true;
-#endif
-        m_event.Wait();
-    }
-
-    void signal()
-    {
-        ASSERT(!m_signaled);
-#ifndef NDEBUG
-        m_signaled = true;
-#endif
-        m_event.Signal();
-    }
-
-private:
-    base::WaitableEvent m_event;
-#ifndef NDEBUG
-    // Used to assert that wait() and signal() are each called exactly once.
-    bool m_waited;
-    bool m_signaled;
-#endif
-};
-
-}
-
-#endif
+// Temporary forwarding header
+#include "cc/completion_event.h"