Enable Active Directory shortcut on the welcome screen

chrome/browser/ui/webui/chromeos/login/signin_screen_handler.cc

 // Copyright (c) 2013 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/ui/webui/chromeos/login/signin_screen_handler.h"
 
 #include <stddef.h>
 
 #include <algorithm>
 #include <vector>
@@ skipping 1188 matching lines @@
   // crbug.com/668491).
   if (chrome::GetChannel() == version_info::Channel::BETA ||
       chrome::GetChannel() == version_info::Channel::STABLE) {
     return;
   }
   base::CommandLine::ForCurrentProcess()->AppendSwitch(
       chromeos::switches::kEnableAd);
   chromeos::DBusThreadManager::Get()
       ->GetUpstartClient()
       ->StartAuthPolicyService();
-  HandleToggleEnrollmentScreen();
 }
 
 void SigninScreenHandler::HandleToggleEnableDebuggingScreen() {
   if (delegate_)
     delegate_->ShowEnableDebuggingScreen();
 }
 
 void SigninScreenHandler::HandleToggleKioskEnableScreen() {
   policy::BrowserPolicyConnectorChromeOS* connector =
       g_browser_process->platform_part()->browser_policy_connector_chromeos();
@@ skipping 313 matching lines @@
 }
 
 void SigninScreenHandler::OnFeedbackFinished() {
   CallJS("login.UnrecoverableCryptohomeErrorScreen.resumeAfterFeedbackUI");
 
   // Recreate user's cryptohome after the feedback is attempted.
   HandleResyncUserData();
 }
 
 }  // namespace chromeos