Revert 198844 "Move sequenced_task_runner to base/task"

trunk/src/chrome/browser/policy/cloud/rate_limiter.cc

 // Copyright (c) 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 "chrome/browser/policy/cloud/rate_limiter.h"
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/location.h"
 #include "base/logging.h"
-#include "base/task/sequenced_task_runner.h"
+#include "base/sequenced_task_runner.h"
 #include "base/time/tick_clock.h"
 
 namespace policy {
 
 RateLimiter::RateLimiter(size_t max_requests,
                          const base::TimeDelta& duration,
                          const base::Closure& callback,
                          scoped_refptr<base::SequencedTaskRunner> task_runner,
                          scoped_ptr<base::TickClock> clock)
     : max_requests_(max_requests),
@@ skipping 27 matching lines @@
     const base::TimeDelta time_until_next_callback =
         invocation_times_.front() - period_start;
     delayed_callback_.Reset(
         base::Bind(&RateLimiter::PostRequest, base::Unretained(this)));
     task_runner_->PostDelayedTask(
         FROM_HERE, delayed_callback_.callback(), time_until_next_callback);
   }
 }
 
 }  // namespace policy