Revert 198844 "Move sequenced_task_runner to base/task"

trunk/src/chrome/browser/policy/cloud/cloud_policy_refresh_scheduler.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/browser/policy/cloud/cloud_policy_refresh_scheduler.h"
 
 #include <algorithm>
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/memory/scoped_ptr.h"
-#include "base/task/sequenced_task_runner.h"
+#include "base/sequenced_task_runner.h"
 #include "base/time/default_tick_clock.h"
 #include "base/time/tick_clock.h"
 #include "chrome/browser/policy/cloud/cloud_policy_constants.h"
 #include "chrome/common/chrome_notification_types.h"
 #include "content/public/browser/notification_details.h"
 
 namespace policy {
 
 namespace {
 
@@ skipping 200 matching lines @@
   base::TimeDelta delay =
       std::max((last_refresh_ + delta) - base::Time::NowFromSystemTime(),
                base::TimeDelta());
   refresh_callback_.Reset(
       base::Bind(&CloudPolicyRefreshScheduler::PerformRefresh,
                  base::Unretained(this)));
   task_runner_->PostDelayedTask(FROM_HERE, refresh_callback_.callback(), delay);
 }
 
 }  // namespace policy