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

chrome/browser/ui/ash/chrome_screenshot_grabber.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/ui/ash/chrome_screenshot_grabber.h"
 
 #include <stddef.h>
 
 #include "ash/common/strings/grit/ash_strings.h"
 #include "ash/common/system/system_notifier.h"
 #include "ash/shell.h"
 #include "base/base64.h"
 #include "base/bind.h"
 #include "base/callback.h"
 #include "base/files/file_util.h"
 #include "base/i18n/time_formatting.h"
 #include "base/macros.h"
 #include "base/strings/stringprintf.h"
 #include "base/strings/utf_string_conversions.h"
-#include "base/threading/sequenced_worker_pool.h"
 #include "build/build_config.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/chromeos/drive/file_system_util.h"
 #include "chrome/browser/chromeos/file_manager/open_util.h"
 #include "chrome/browser/chromeos/note_taking_helper.h"
 #include "chrome/browser/download/download_prefs.h"
 #include "chrome/browser/notifications/notification_ui_manager.h"
 #include "chrome/browser/notifications/notifier_state_tracker.h"
 #include "chrome/browser/notifications/notifier_state_tracker_factory.h"
 #include "chrome/browser/platform_util.h"
@@ skipping 435 matching lines @@
 }
 
 void ChromeScreenshotGrabber::SetProfileForTest(Profile* profile) {
   profile_for_test_ = profile;
 }
 
 Profile* ChromeScreenshotGrabber::GetProfile() {
   return profile_for_test_ ? profile_for_test_
                            : ProfileManager::GetActiveUserProfile();
 }