Moves ash::user::LoginStatus to ash/common

ash/system/chromeos/audio/tray_audio_chromeos.h

 // 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.
 
 #ifndef ASH_SYSTEM_CHROMEOS_AUDIO_TRAY_AUDIO_CHROMEOS_H_
 #define ASH_SYSTEM_CHROMEOS_AUDIO_TRAY_AUDIO_CHROMEOS_H_
 
 #include <stdint.h>
 
 #include "ash/ash_export.h"
@@ skipping 12 matching lines @@
  public:
   explicit TrayAudioChromeOs(SystemTray* system_tray);
   ~TrayAudioChromeOs() override;
 
  protected:
   // Overridden from TrayAudio
   void Update() override;
 
  private:
   // Overridden from SystemTrayItem.
-  views::View* CreateDetailedView(user::LoginStatus status) override;
+  views::View* CreateDetailedView(LoginStatus status) override;
   void DestroyDetailedView() override;
 
   // Overridden from display::DisplayObserver.
   void OnDisplayAdded(const display::Display& new_display) override;
   void OnDisplayRemoved(const display::Display& old_display) override;
   void OnDisplayMetricsChanged(const display::Display& display,
                                uint32_t changed_metrics) override;
 
   // Overriden from chromeos::PowerManagerClient::Observer.
   void SuspendDone(const base::TimeDelta& sleep_duration) override;
 
   tray::AudioDetailedView* audio_detail_view_;
 
   DISALLOW_COPY_AND_ASSIGN(TrayAudioChromeOs);
 };
 
 }  // namespace ash
 
 #endif  // ASH_SYSTEM_CHROMEOS_AUDIO_TRAY_AUDIO_CHROMEOS_H_