mash: Migrate some system user files to common.

ash/test/test_system_tray_delegate.cc

 // Copyright 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 "ash/test/test_system_tray_delegate.h"
 
 #include <string>
 
+#include "ash/common/login_status.h"
 #include "ash/common/session/session_state_delegate.h"
 #include "ash/shell.h"
-#include "ash/system/user/login_status.h"
 #include "base/message_loop/message_loop.h"
 #include "base/time/time.h"
 
 namespace ash {
 namespace test {
 
 namespace {
 
 bool g_system_update_required = false;
 LoginStatus g_initial_status = LoginStatus::USER;
@@ skipping 83 matching lines @@
     *session_length_limit = session_length_limit_;
   return session_length_limit_set_;
 }
 
 void TestSystemTrayDelegate::SignOut() {
   base::MessageLoop::current()->QuitWhenIdle();
 }
 
 }  // namespace test
 }  // namespace ash