Remove calls to MessageLoop::current() in chrome.

chrome/browser/chromeos/login/users/chrome_user_manager_impl.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/users/chrome_user_manager_impl.h"
 
 #include <stddef.h>
 
 #include <cstddef>
 #include <set>
@@ skipping 171 matching lines @@
                  chrome::NOTIFICATION_OWNERSHIP_STATUS_CHANGED,
                  content::NotificationService::AllSources());
   registrar_.Add(this,
                  chrome::NOTIFICATION_LOGIN_USER_PROFILE_PREPARED,
                  content::NotificationService::AllSources());
   registrar_.Add(this,
                  chrome::NOTIFICATION_PROFILE_CREATED,
                  content::NotificationService::AllSources());
 
   // Since we're in ctor postpone any actions till this is fully created.
-  if (base::MessageLoop::current()) {
+  if (base::ThreadTaskRunnerHandle::IsSet()) {
     base::ThreadTaskRunnerHandle::Get()->PostTask(
         FROM_HERE,
         base::Bind(&ChromeUserManagerImpl::RetrieveTrustedDevicePolicies,
                    weak_factory_.GetWeakPtr()));
   }
 
   local_accounts_subscription_ = cros_settings_->AddSettingsObserver(
       kAccountsPrefDeviceLocalAccounts,
       base::Bind(&ChromeUserManagerImpl::RetrieveTrustedDevicePolicies,
                  weak_factory_.GetWeakPtr()));
@@ skipping 1120 matching lines @@
       break;
     default:
       NOTREACHED();
       break;
   }
 
   return user;
 }
 
 }  // namespace chromeos