Remove use of deprecated MessageLoop methods in chrome/.

chrome/browser/apps/app_launch_for_metro_restart_win.cc

 // Copyright 2013 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/apps/app_launch_for_metro_restart_win.h"
 
 #include "apps/launcher.h"
 #include "base/bind.h"
 #include "base/files/file_path.h"
-#include "base/message_loop/message_loop.h"
+#include "base/location.h"
+#include "base/single_thread_task_runner.h"
+#include "base/threading/thread_task_runner_handle.h"
 #include "base/time/time.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/extensions/extension_service.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/profiles/profile_manager.h"
 #include "chrome/common/pref_names.h"
 #include "components/prefs/pref_registry_simple.h"
 #include "components/prefs/pref_service.h"
 #include "extensions/browser/api/app_runtime/app_runtime_api.h"
 #include "extensions/browser/extension_system.h"
@@ skipping 44 matching lines @@
   if (!prefs->HasPrefPath(prefs::kAppLaunchForMetroRestart))
     return;
 
   std::string extension_id = prefs->GetString(prefs::kAppLaunchForMetroRestart);
   if (extension_id.empty())
     return;
 
   prefs->ClearPref(prefs::kAppLaunchForMetroRestart);
 
   const int kRestartAppLaunchDelayMs = 1000;
-  base::MessageLoop::current()->PostDelayedTask(
-      FROM_HERE,
-      base::Bind(&LaunchAppWithId, profile, extension_id),
+  base::ThreadTaskRunnerHandle::Get()->PostDelayedTask(
+      FROM_HERE, base::Bind(&LaunchAppWithId, profile, extension_id),
       base::TimeDelta::FromMilliseconds(kRestartAppLaunchDelayMs));
 }
 
 void SetAppLaunchForMetroRestart(Profile* profile,
                                  const std::string& extension_id) {
   PrefService* prefs = g_browser_process->local_state();
   prefs->SetString(prefs::kAppLaunchForMetroRestartProfile,
                    profile->GetPath().BaseName().MaybeAsASCII());
   prefs->SetString(prefs::kAppLaunchForMetroRestart, extension_id);
 }
 
 void RegisterPrefs(PrefRegistrySimple* registry) {
   registry->RegisterStringPref(prefs::kAppLaunchForMetroRestart, "");
   registry->RegisterStringPref(prefs::kAppLaunchForMetroRestartProfile, "");
 }
 
 }  // namespace app_metro_launch