Delete CC.

cc/base/completion_event.h

Index: cc/base/completion_event.h
diff --git a/cc/base/completion_event.h b/cc/base/completion_event.h
deleted file mode 100644
index 6bae765dd20e2173065bccab670afd2618547a95..0000000000000000000000000000000000000000
--- a/cc/base/completion_event.h
+++ /dev/null
@@ -1,63 +0,0 @@
-// 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.
-
-#ifndef CC_BASE_COMPLETION_EVENT_H_
-#define CC_BASE_COMPLETION_EVENT_H_
-
-#include "base/logging.h"
-#include "base/synchronization/waitable_event.h"
-#include "base/threading/thread_restrictions.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 CompletionEvent {
- public:
-  CompletionEvent()
-      : event_(false /* manual_reset */, false /* initially_signaled */) {
-#if DCHECK_IS_ON()
-    waited_ = false;
-    signaled_ = false;
-#endif
-  }
-
-  ~CompletionEvent() {
-#if DCHECK_IS_ON()
-    DCHECK(waited_);
-    DCHECK(signaled_);
-#endif
-  }
-
-  void Wait() {
-#if DCHECK_IS_ON()
-    DCHECK(!waited_);
-    waited_ = true;
-#endif
-    base::ThreadRestrictions::ScopedAllowWait allow_wait;
-    event_.Wait();
-  }
-
-  void Signal() {
-#if DCHECK_IS_ON()
-    DCHECK(!signaled_);
-    signaled_ = true;
-#endif
-    event_.Signal();
-  }
-
- private:
-  base::WaitableEvent event_;
-#if DCHECK_IS_ON()
-  // Used to assert that Wait() and Signal() are each called exactly once.
-  bool waited_;
-  bool signaled_;
-#endif
-};
-
-}  // namespace cc
-
-#endif  // CC_BASE_COMPLETION_EVENT_H_