ash: Merge LoginStatus update code path

ash/mus/system_tray_delegate_mus.cc

 // Copyright 2016 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/mus/system_tray_delegate_mus.h"
 
 #include "ash/common/session/session_controller.h"
 #include "ash/common/system/networking_config_delegate.h"
 #include "ash/shell.h"
 
@@ skipping 19 matching lines @@
 
 }  // namespace
 
 SystemTrayDelegateMus::SystemTrayDelegateMus()
     : networking_config_delegate_(new StubNetworkingConfigDelegate) {}
 
 SystemTrayDelegateMus::~SystemTrayDelegateMus() {
 }
 
 LoginStatus SystemTrayDelegateMus::GetUserLoginStatus() const {
-  return Shell::Get()->session_controller()->GetLoginStatus();
+  return Shell::Get()->session_controller()->login_status();
 }
 
 NetworkingConfigDelegate* SystemTrayDelegateMus::GetNetworkingConfigDelegate()
     const {
   return networking_config_delegate_.get();
 }
 
 }  // namespace ash