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

ash/system/audio/tray_audio.cc

Index: ash/system/audio/tray_audio.cc
diff --git a/ash/system/audio/tray_audio.cc b/ash/system/audio/tray_audio.cc
index ec2fd9c73bc6e66656cbe87044beca9c073cbd97..3fab14001be8c0aed1cf3a8241430d381fa1ebbe 100644
--- a/ash/system/audio/tray_audio.cc
+++ b/ash/system/audio/tray_audio.cc
@@ -69,12 +69,12 @@ bool TrayAudio::GetInitialVisibility() {
   return audio_delegate_->IsOutputAudioMuted();
 }
 
-views::View* TrayAudio::CreateDefaultView(user::LoginStatus status) {
+views::View* TrayAudio::CreateDefaultView(LoginStatus status) {
   volume_view_ = new tray::VolumeView(this, audio_delegate_.get(), true);
   return volume_view_;
 }
 
-views::View* TrayAudio::CreateDetailedView(user::LoginStatus status) {
+views::View* TrayAudio::CreateDetailedView(LoginStatus status) {
   volume_view_ = new tray::VolumeView(this, audio_delegate_.get(), false);
   return volume_view_;
 }