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

chrome/browser/renderer_host/chrome_extension_message_filter.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/renderer_host/chrome_extension_message_filter.h"
 
 #include <stdint.h>
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/files/file_path.h"
 #include "base/logging.h"
 #include "base/macros.h"
 #include "base/memory/ptr_util.h"
 #include "base/strings/utf_string_conversions.h"
-#include "base/threading/sequenced_worker_pool.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/chrome_notification_types.h"
 #include "chrome/browser/extensions/activity_log/activity_action_constants.h"
 #include "chrome/browser/extensions/activity_log/activity_actions.h"
 #include "chrome/browser/extensions/activity_log/activity_log.h"
 #include "chrome/browser/extensions/api/activity_log_private/activity_log_private_api.h"
 #include "chrome/browser/extensions/api/messaging/message_service.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/profiles/profile_manager.h"
 #include "chrome/common/extensions/chrome_extension_messages.h"
@@ skipping 260 matching lines @@
 bool ChromeExtensionMessageFilter::ShouldLogExtensionAction(
     const std::string& extension_id) const {
   // We only send these IPCs if activity logging is enabled, but due to race
   // conditions (e.g. logging gets disabled but the renderer sends the message
   // before it gets updated), we still need this check here.
   DCHECK_CURRENTLY_ON(BrowserThread::UI);
   return profile_ &&
          g_browser_process->profile_manager()->IsValidProfile(profile_) &&
          activity_log_ && activity_log_->ShouldLog(extension_id);
 }