Revert "Delete CC."

cc/resources/single_release_callback.h

+// Copyright 2013 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_RESOURCES_SINGLE_RELEASE_CALLBACK_H_
+#define CC_RESOURCES_SINGLE_RELEASE_CALLBACK_H_
+
+#include "base/memory/scoped_ptr.h"
+#include "cc/resources/release_callback.h"
+
+namespace cc {
+
+class SingleReleaseCallback {
+ public:
+  static scoped_ptr<SingleReleaseCallback> Create(const ReleaseCallback& cb) {
+    return make_scoped_ptr(new SingleReleaseCallback(cb));
+  }
+
+  ~SingleReleaseCallback();
+
+  void Run(uint32 sync_point, bool is_lost);
+
+ private:
+  explicit SingleReleaseCallback(const ReleaseCallback& callback);
+
+  bool has_been_run_;
+  ReleaseCallback callback_;
+};
+
+}  // namespace cc
+
+#endif  // CC_RESOURCES_SINGLE_RELEASE_CALLBACK_H_