Preference dis/allowing supervised users creation is now available as owner setting, not only as de…

chrome/browser/chromeos/login/existing_user_controller.cc

Index: chrome/browser/chromeos/login/existing_user_controller.cc
diff --git a/chrome/browser/chromeos/login/existing_user_controller.cc b/chrome/browser/chromeos/login/existing_user_controller.cc
index 08eb483255d7040c32169d6121d2642147a2169a..bc37caeaee2a3dae0d9848bb286e3a4f5f5c2277 100644
--- a/chrome/browser/chromeos/login/existing_user_controller.cc
+++ b/chrome/browser/chromeos/login/existing_user_controller.cc
@@ -160,6 +160,10 @@ ExistingUserController::ExistingUserController(LoginDisplayHost* host)
       kAccountsPrefAllowGuest,
       base::Bind(&ExistingUserController::DeviceSettingsChanged,
                  base::Unretained(this)));
+  allow_supervised_user_subscription_ = cros_settings_->AddSettingsObserver(
+      kAccountsPrefSupervisedUsersEnabled,
+      base::Bind(&ExistingUserController::DeviceSettingsChanged,
+                 base::Unretained(this)));
   users_subscription_ = cros_settings_->AddSettingsObserver(
       kAccountsPrefUsers,
       base::Bind(&ExistingUserController::DeviceSettingsChanged,
@@ -211,8 +215,12 @@ void ExistingUserController::UpdateLoginDisplay(const UserList& users) {
   cros_settings_->GetBoolean(kAccountsPrefShowUserNamesOnSignIn, &show_users);
   show_guest &= !filtered_users.empty();
   bool show_new_user = true;
+  bool show_supervised;
+  cros_settings_->GetBoolean(kAccountsPrefSupervisedUsersEnabled,
+                             &show_supervised);
   login_display_->set_parent_window(GetNativeWindow());
-  login_display_->Init(filtered_users, show_guest, show_users, show_new_user);
+  login_display_->Init(
+      filtered_users, show_guest, show_supervised, show_users, show_new_user);
   host_->OnPreferencesChanged();
 }