Add Reset to ScopedClosureRunner.

chrome/common/cancelable_task_tracker.cc

 // Copyright (c) 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.
 
 #include "chrome/common/cancelable_task_tracker.h"
 
 #include <utility>
 
 #include "base/bind.h"
-#include "base/bind_helpers.h"
+#include "base/callback_helpers.h"
 #include "base/compiler_specific.h"
 #include "base/location.h"
 #include "base/memory/ref_counted.h"
 #include "base/message_loop/message_loop_proxy.h"
 #include "base/synchronization/cancellation_flag.h"
 #include "base/task_runner.h"
 
 using base::Bind;
 using base::CancellationFlag;
 using base::Closure;
@@ skipping 153 matching lines @@
 
   bool success = task_flags_.insert(std::make_pair(id, flag)).second;
   DCHECK(success);
 }
 
 void CancelableTaskTracker::Untrack(TaskId id) {
   DCHECK(thread_checker_.CalledOnValidThread());
   size_t num = task_flags_.erase(id);
   DCHECK_EQ(1u, num);
 }