Revert "Hide web notification tray when LoginStatus is locked"

ash/common/system/web_notification/web_notification_tray.cc

Index: ash/common/system/web_notification/web_notification_tray.cc
diff --git a/ash/common/system/web_notification/web_notification_tray.cc b/ash/common/system/web_notification/web_notification_tray.cc
index 787c46e05a20a95089516f1ab861fcb40bcea7f9..559315152a255131592dc7ca3497b877e01975ec 100644
--- a/ash/common/system/web_notification/web_notification_tray.cc
+++ b/ash/common/system/web_notification/web_notification_tray.cc
@@ -516,9 +516,8 @@ message_center::MessageCenter* WebNotificationTray::message_center() const {
 
 bool WebNotificationTray::IsLoggedIn() const {
   WmShell* shell = WmShell::Get();
-  LoginStatus status = shell->system_tray_delegate()->GetUserLoginStatus();
-  return status != LoginStatus::NOT_LOGGED_IN &&
-         status != LoginStatus::LOCKED &&
+  return shell->system_tray_delegate()->GetUserLoginStatus() !=
+             LoginStatus::NOT_LOGGED_IN &&
          !shell->GetSessionStateDelegate()->IsInSecondaryLoginScreen();
 }