[Sync Promo UI] Focus when asked for ASP.

chrome/browser/resources/sync_setup_overlay.js

 // Copyright (c) 2011 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.
 
 cr.define('options', function() {
   const OptionsPage = options.OptionsPage;
 
   // Variable to track if a captcha challenge was issued. If this gets set to
   // true, it stays that way until we are told about successful login from
   // the browser.  This means subsequent errors (like invalid password) are
@@ skipping 574 matching lines @@
     getSignInButton_: function() {
       return $('sign-in');
     },
 
     showAccessCodeRequired_: function() {
       $('password-row').hidden = true;
       $('email-row').hidden = true;
 
       $('access-code-input-row').hidden = false;
       $('access-code').disabled = false;
+      $('access-code').focus();
     },
 
     showCaptcha_: function(args) {
       this.captchaChallengeActive_ = true;
 
       // The captcha takes up lots of space, so make room.
       $('top-blurb-error').hidden = true;
       $('create-account-div').hidden = true;
 
       // It's showtime for the captcha now.
@@ skipping 275 matching lines @@
 
   SyncSetupOverlay.showStopSyncingUI = function() {
     SyncSetupOverlay.getInstance().showStopSyncingUI_();
   };
 
   // Export
   return {
     SyncSetupOverlay: SyncSetupOverlay
   };
 });