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

chrome/browser/chromeos/ownership/owner_settings_service_chromeos.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 "chrome/browser/chromeos/ownership/owner_settings_service_chromeos.h"
 
 #include <keyhi.h>
 #include <stdint.h>
 
 #include <algorithm>
 #include <string>
 #include <utility>
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/callback.h"
 #include "base/command_line.h"
 #include "base/memory/ptr_util.h"
-#include "base/threading/sequenced_worker_pool.h"
 #include "base/threading/thread_checker.h"
 #include "chrome/browser/chrome_notification_types.h"
 #include "chrome/browser/chromeos/ownership/owner_settings_service_chromeos_factory.h"
 #include "chrome/browser/chromeos/profiles/profile_helper.h"
 #include "chrome/browser/chromeos/settings/cros_settings.h"
 #include "chrome/browser/chromeos/settings/device_settings_provider.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chromeos/chromeos_switches.h"
 #include "chromeos/dbus/dbus_thread_manager.h"
 #include "chromeos/tpm/tpm_token_loader.h"
@@ skipping 699 matching lines @@
 
 void OwnerSettingsServiceChromeOS::ReportStatusAndContinueStoring(
     bool success) {
   store_settings_factory_.InvalidateWeakPtrs();
   for (auto& observer : observers_)
     observer.OnSignedPolicyStored(success);
   StorePendingChanges();
 }
 
 }  // namespace chromeos