mash: Move user_switch_util to chrome.

chrome/browser/ui/ash/session_state_delegate_chromeos.cc

 // Copyright (c) 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/ui/ash/session_state_delegate_chromeos.h"
 
 #include "ash/aura/wm_window_aura.h"
 #include "ash/common/session/session_state_observer.h"
 #include "ash/content/shell_content_state.h"
-#include "ash/system/chromeos/multi_user/user_switch_util.h"
 #include "base/bind.h"
 #include "base/callback.h"
 #include "base/command_line.h"
 #include "base/logging.h"
 #include "chrome/browser/chromeos/login/lock/screen_locker.h"
 #include "chrome/browser/chromeos/login/ui/user_adding_screen.h"
 #include "chrome/browser/chromeos/login/users/multi_profile_user_controller.h"
 #include "chrome/browser/chromeos/profiles/profile_helper.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/profiles/profile_manager.h"
 #include "chrome/browser/ui/ash/multi_user/multi_user_window_manager.h"
+#include "chrome/browser/ui/ash/multi_user/user_switch_util.h"
 #include "chrome/browser/ui/ash/session_util.h"
 #include "chrome/common/pref_names.h"
 #include "chromeos/chromeos_switches.h"
 #include "chromeos/dbus/dbus_thread_manager.h"
 #include "chromeos/dbus/session_manager_client.h"
 #include "chromeos/login/login_state.h"
 #include "components/prefs/pref_service.h"
 #include "components/signin/core/account_id/account_id.h"
 #include "components/user_manager/user.h"
 #include "components/user_manager/user_info.h"
@@ skipping 237 matching lines @@
                     session_state_observer_list_,
                     SessionStateChanged(session_state_));
 }
 
 void DoSwitchUser(const AccountId& account_id) {
   user_manager::UserManager::Get()->SwitchActiveUser(account_id);
 }
 
 void SessionStateDelegateChromeos::TryToSwitchUser(
     const AccountId& account_id) {
-  ash::TrySwitchingActiveUser(base::Bind(&DoSwitchUser, account_id));
+  TrySwitchingActiveUser(base::Bind(&DoSwitchUser, account_id));
 }