Revert of Remove header dependencies from sequence_checker.h to sequenced_worker_pool.h

components/storage_monitor/volume_mount_watcher_win.cc

 // Copyright 2014 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 "components/storage_monitor/volume_mount_watcher_win.h"
 
 #include <windows.h>
 #include <stddef.h>
 #include <stdint.h>
 
 #include <dbt.h>
 #include <fileapi.h>
 #include <shlobj.h>
 #include <winioctl.h>
 
 #include <algorithm>
 
 #include "base/bind_helpers.h"
 #include "base/metrics/histogram_macros.h"
 #include "base/stl_util.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/string_util.h"
 #include "base/strings/stringprintf.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/sys_info.h"
 #include "base/task_runner_util.h"
-#include "base/threading/sequenced_worker_pool.h"
 #include "base/time/time.h"
 #include "base/win/scoped_handle.h"
 #include "components/storage_monitor/media_storage_util.h"
 #include "components/storage_monitor/storage_info.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/user_metrics.h"
 
 using content::BrowserThread;
 
 namespace storage_monitor {
@@ skipping 510 matching lines @@
     callback.Run(StorageMonitor::EJECT_FAILURE);
     return;
   }
 
   device_info_task_runner_->PostTask(
       FROM_HERE, base::Bind(&EjectDeviceInThreadPool, device, callback,
                             device_info_task_runner_, 0));
 }
 
 }  // namespace storage_monitor