Remove use of deprecated MessageLoop methods in chrome/.

chrome/browser/chromeos/login/session/user_session_manager.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/login/session/user_session_manager.h"
 
 #include <stddef.h>
 
 #include <set>
 #include <string>
 #include <vector>
 
 #include "base/base_paths.h"
 #include "base/bind.h"
 #include "base/command_line.h"
+#include "base/location.h"
 #include "base/logging.h"
 #include "base/memory/ptr_util.h"
-#include "base/message_loop/message_loop.h"
 #include "base/metrics/histogram_macros.h"
 #include "base/path_service.h"
+#include "base/single_thread_task_runner.h"
 #include "base/strings/string16.h"
 #include "base/strings/stringprintf.h"
 #include "base/sys_info.h"
 #include "base/task_runner_util.h"
 #include "base/threading/thread_task_runner_handle.h"
 #include "base/threading/worker_pool.h"
 #include "chrome/browser/about_flags.h"
 #include "chrome/browser/app_mode/app_mode_utils.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/browser_process_platform_part_chromeos.h"
@@ skipping 1545 matching lines @@
     auth_request_context =
         content::BrowserContext::GetDefaultStoragePartition(
             authenticator_->authentication_context())->GetURLRequestContext();
   }
   return auth_request_context;
 }
 
 void UserSessionManager::AttemptRestart(Profile* profile) {
   // Restart unconditionally in case if we are stuck somewhere in a session
   // restore process. http://crbug.com/520346.
-  base::MessageLoop::current()->PostDelayedTask(
+  base::ThreadTaskRunnerHandle::Get()->PostDelayedTask(
       FROM_HERE, base::Bind(RestartOnTimeout),
       base::TimeDelta::FromSeconds(kMaxRestartDelaySeconds));
 
   if (CheckEasyUnlockKeyOps(base::Bind(&UserSessionManager::AttemptRestart,
                                        AsWeakPtr(), profile))) {
     return;
   }
 
   if (session_restore_strategy_ !=
       OAuth2LoginManager::RESTORE_FROM_COOKIE_JAR) {
@@ skipping 234 matching lines @@
   token_handle_util_.reset();
   first_run::GoodiesDisplayer::Delete();
 }
 
 void UserSessionManager::CreateTokenUtilIfMissing() {
   if (!token_handle_util_.get())
     token_handle_util_.reset(new TokenHandleUtil());
 }
 
 }  // namespace chromeos