Replace chromeos::UserManager::Get() with chromeos::GetUserManager().

chrome/browser/chromeos/kiosk_mode/kiosk_mode_idle_logout_unittest.cc

 // Copyright (c) 2012 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/kiosk_mode/kiosk_mode_idle_logout.h"
 
 #include "ash/shell.h"
 #include "ash/test/ash_test_base.h"
 #include "base/bind.h"
 #include "base/memory/scoped_ptr.h"
@@ skipping 46 matching lines @@
 // http://crbug.com/177918
 TEST_F(KioskModeIdleLogoutTest, DISABLED_CheckObserversBeforeUserLogin) {
   EXPECT_TRUE(LoginUserObserverRegistered());
   EXPECT_FALSE(UserActivityObserverRegistered());
 }
 
 // http://crbug.com/177918
 TEST_F(KioskModeIdleLogoutTest, DISABLED_CheckObserversAfterUserLogin) {
   content::NotificationService::current()->Notify(
       chrome::NOTIFICATION_LOGIN_USER_CHANGED,
-      content::Source<UserManager>(UserManager::Get()),
+      content::Source<UserManager>(GetUserManager()),
       // Ideally this should be the user logged in, but since we won't really be
       // checking for the current logged in user in our observer anyway, giving
       // NoDetails here is fine.
       content::NotificationService::NoDetails());
 
   RunAllPendingInMessageLoop();
   EXPECT_FALSE(LoginUserObserverRegistered());
   EXPECT_TRUE(UserActivityObserverRegistered());
 }
 
 }  // namespace chromeos