Delete CC.

cc/resources/single_release_callback.cc

Index: cc/resources/single_release_callback.cc
diff --git a/cc/resources/single_release_callback.cc b/cc/resources/single_release_callback.cc
deleted file mode 100644
index 4565963a59fdb8aa7ec0db0707930b17b95a0d69..0000000000000000000000000000000000000000
--- a/cc/resources/single_release_callback.cc
+++ /dev/null
@@ -1,29 +0,0 @@
-// 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.
-
-#include "cc/resources/single_release_callback.h"
-
-#include "base/callback_helpers.h"
-#include "base/logging.h"
-
-namespace cc {
-
-SingleReleaseCallback::SingleReleaseCallback(const ReleaseCallback& callback)
-    : has_been_run_(false), callback_(callback) {
-  DCHECK(!callback_.is_null())
-      << "Use a NULL SingleReleaseCallback for an empty callback.";
-}
-
-SingleReleaseCallback::~SingleReleaseCallback() {
-  DCHECK(callback_.is_null() || has_been_run_)
-      << "SingleReleaseCallback was never run.";
-}
-
-void SingleReleaseCallback::Run(uint32 sync_point, bool is_lost) {
-  DCHECK(!has_been_run_) << "SingleReleaseCallback was run more than once.";
-  has_been_run_ = true;
-  callback_.Run(sync_point, is_lost);
-}
-
-}  // namespace cc