Rename "managed (mode|user)" to "supervised user" (part 7)

ash/system/user/tray_user.cc

Index: ash/system/user/tray_user.cc
diff --git a/ash/system/user/tray_user.cc b/ash/system/user/tray_user.cc
index 91dce33b6292da407c64df33a359d3435af4b790..1d26441d600fcf140df9cfb9e11b58e11d934bb5 100644
--- a/ash/system/user/tray_user.cc
+++ b/ash/system/user/tray_user.cc
@@ -140,7 +140,7 @@ void TrayUser::UpdateAfterLoginStatusChange(user::LoginStatus status) {
     case user::LOGGED_IN_PUBLIC:
       need_avatar = true;
       break;
-    case user::LOGGED_IN_LOCALLY_MANAGED:
+    case user::LOGGED_IN_SUPERVISED:
       need_avatar = true;
       need_label = true;
       break;
@@ -171,7 +171,7 @@ void TrayUser::UpdateAfterLoginStatusChange(user::LoginStatus status) {
     }
   }
 
-  if (status == user::LOGGED_IN_LOCALLY_MANAGED) {
+  if (status == user::LOGGED_IN_SUPERVISED) {
     label_->SetText(
         l10n_util::GetStringUTF16(IDS_ASH_STATUS_TRAY_LOCALLY_MANAGED_LABEL));
   } else if (status == user::LOGGED_IN_GUEST) {