user_manager component: Add UserManagerBase class.

chrome/browser/chromeos/accessibility/magnification_manager_browsertest.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 <string>
 
 #include "ash/magnifier/magnification_controller.h"
 #include "ash/shell.h"
 #include "base/command_line.h"
 #include "base/prefs/pref_service.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/chrome_notification_types.h"
 #include "chrome/browser/chromeos/accessibility/accessibility_manager.h"
 #include "chrome/browser/chromeos/accessibility/magnification_manager.h"
 #include "chrome/browser/chromeos/login/helper.h"
 #include "chrome/browser/chromeos/login/login_utils.h"
 #include "chrome/browser/chromeos/login/users/user_manager.h"
-#include "chrome/browser/chromeos/login/users/user_manager_impl.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/profiles/profile_manager.h"
 #include "chrome/common/chrome_switches.h"
 #include "chrome/common/pref_names.h"
 #include "chrome/test/base/in_process_browser_test.h"
 #include "chrome/test/base/testing_profile.h"
 #include "chromeos/chromeos_switches.h"
 #include "components/user_prefs/user_prefs.h"
 #include "content/public/browser/notification_details.h"
 #include "content/public/browser/notification_service.h"
@@ skipping 506 matching lines @@
   observer.reset();
 
   // Set full screen magnifier again, and confirm the observer is not called.
   SetMagnifierType(ash::MAGNIFIER_FULL);
   EXPECT_FALSE(observer.observed());
   EXPECT_EQ(GetMagnifierType(), ash::MAGNIFIER_FULL);
   observer.reset();
 }
 
 }  // namespace chromeos