cc: Move TextureMailbox::ReleaseCallback to SingleReleaseCallback.

cc/resources/release_callback.h

Index: cc/resources/release_callback.h
diff --git a/cc/resources/release_callback.h b/cc/resources/release_callback.h
new file mode 100644
index 0000000000000000000000000000000000000000..9433f7f6eb919012f814e10b1357e9fc463a3c4a
--- /dev/null
+++ b/cc/resources/release_callback.h
@@ -0,0 +1,17 @@
+// 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_RELEASE_CALLBACK_H_
+#define CC_RESOURCES_RELEASE_CALLBACK_H_
+
+#include "base/callback.h"
+
+namespace cc {
+
+typedef base::Callback<void(unsigned sync_point, bool is_lost)>
+    ReleaseCallback;
+
+}  // namespace cc
+
+#endif  // CC_RESOURCES_RELEASE_CALLBACK_H_