Don't allow restarting to apply custom flags when supervised user creation flow is active

chrome/browser/chromeos/login/supervised/supervised_user_creation_flow.cc

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/chromeos/login/supervised/supervised_user_creation_flow.h"
 
 #include "base/logging.h"
 #include "base/values.h"
 #include "chrome/browser/chromeos/login/supervised/supervised_user_creation_screen.h"
 #include "chrome/browser/chromeos/login/ui/login_display_host_impl.h"
@@ skipping 34 matching lines @@
 }
 
 bool SupervisedUserCreationFlow::ShouldLaunchBrowser() {
   return false;
 }
 
 bool SupervisedUserCreationFlow::ShouldSkipPostLoginScreens() {
   return true;
 }
 
+bool SupervisedUserCreationFlow::SupportsEarlyRestartToApplyFlags() {
+  return false;
+}
+
 void SupervisedUserCreationFlow::HandleOAuthTokenStatusChange(
     user_manager::User::OAuthTokenStatus status) {
   if (status == user_manager::User::OAUTH_TOKEN_STATUS_UNKNOWN)
     return;
   if (status == user_manager::User::OAUTH2_TOKEN_STATUS_INVALID) {
     GetScreen(host())->ShowManagerInconsistentStateErrorScreen();
     return;
   }
   DCHECK(status == user_manager::User::OAUTH2_TOKEN_STATUS_VALID);
   // We expect that LaunchExtraSteps is called by this time (local
@@ skipping 33 matching lines @@
   if (token_validated_ && logged_in_) {
     if (!session_started_)
       GetScreen(host())->OnManagerFullyAuthenticated(manager_profile_);
     session_started_ = true;
   } else {
     GetScreen(host())->OnManagerCryptohomeAuthenticated();
   }
 }
 
 }  // namespace chromeos