cros: Merge SystemTrayDelegate::GetUserLoginStatus

ash/system/tray/system_tray_delegate.cc

Index: ash/system/tray/system_tray_delegate.cc
diff --git a/ash/system/tray/system_tray_delegate.cc b/ash/system/tray/system_tray_delegate.cc
index ef9087988b6ccec0cb3b8b2c4151669b1726b3c5..e8f58c74b9b33c10352afbe3570d99a51468d7ac 100644
--- a/ash/system/tray/system_tray_delegate.cc
+++ b/ash/system/tray/system_tray_delegate.cc
@@ -15,10 +15,6 @@ SystemTrayDelegate::~SystemTrayDelegate() {}
 
 void SystemTrayDelegate::Initialize() {}
 
-LoginStatus SystemTrayDelegate::GetUserLoginStatus() const {
-  return LoginStatus::NOT_LOGGED_IN;
-}
-
 void SystemTrayDelegate::ShowUserLogin() {}
 
 void SystemTrayDelegate::GetCurrentIME(IMEInfo* info) {}