Update chrome for new prefs location.

chrome/browser/chromeos/login/ui/user_adding_screen_browsertest.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 "ash/session/session_state_delegate.h"
 #include "ash/shell.h"
 #include "base/macros.h"
-#include "base/prefs/pref_service.h"
 #include "chrome/browser/chrome_notification_types.h"
 #include "chrome/browser/chromeos/login/lock/screen_locker.h"
 #include "chrome/browser/chromeos/login/lock/screen_locker_tester.h"
 #include "chrome/browser/chromeos/login/login_manager_test.h"
 #include "chrome/browser/chromeos/login/startup_utils.h"
 #include "chrome/browser/chromeos/login/ui/login_display_host.h"
 #include "chrome/browser/chromeos/login/ui/user_adding_screen.h"
 #include "chrome/browser/chromeos/login/ui/webui_login_view.h"
 #include "chrome/browser/chromeos/login/users/multi_profile_user_controller.h"
 #include "chrome/browser/chromeos/profiles/profile_helper.h"
 #include "chrome/common/pref_names.h"
 #include "chrome/test/base/in_process_browser_test.h"
+#include "components/prefs/pref_service.h"
 #include "components/user_manager/user_manager.h"
 #include "content/public/browser/notification_service.h"
 #include "content/public/test/test_utils.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 using namespace testing;
 
 namespace {
 
 const char* const kTestUsers[] = {"test-user1@gmail.com",
@@ skipping 233 matching lines @@
       content::NotificationService::AllSources()).Wait();
 
   UserAddingScreen::Get()->Start();
   content::RunAllPendingInMessageLoop();
   CheckScreenIsVisible();
   UserAddingScreen::Get()->Cancel();
   content::RunAllPendingInMessageLoop();
 }
 
 }  // namespace chromeos