Remove desktop auto-login since we don't plan on shipping it.

chrome/browser/resources/options/browser_options.js

 // Copyright (c) 2012 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() {
   var OptionsPage = options.OptionsPage;
   var ArrayDataModel = cr.ui.ArrayDataModel;
   var RepeatingButton = cr.ui.RepeatingButton;
   var HotwordSearchSettingIndicator = options.HotwordSearchSettingIndicator;
 
@@ skipping 893 matching lines @@
       else
         $('sync-status').classList.remove('sync-error');
 
       // Disable the "customize / set up sync" button if sync has an
       // unrecoverable error. Also disable the button if sync has not been set
       // up and the user is being presented with a link to re-auth.
       // See crbug.com/289791.
       customizeSyncButton.disabled =
           syncData.hasUnrecoverableError ||
           (!syncData.setupCompleted && !$('sync-action-link').hidden);
-
-      // Move #enable-auto-login-checkbox to a different location on CrOS.
-      if (cr.isChromeOs) {
-        $('sync-general').insertBefore($('sync-status').nextSibling,
-                                       $('enable-auto-login-checkbox'));
-      }
-      $('enable-auto-login-checkbox').hidden = !syncData.autoLoginVisible;
     },
 
     /**
      * Update the UI depending on whether the current profile has a pairing for
      * Easy Unlock.
      * @param {boolean} hasPairing True if the current profile has a pairing.
      */
     updateEasyUnlock_: function(hasPairing) {
       $('easy-unlock-setup').hidden = hasPairing;
       $('easy-unlock-enable').hidden = !hasPairing;
@@ skipping 859 matching lines @@
     BrowserOptions.getLoggedInUsername = function() {
       return BrowserOptions.getInstance().username_;
     };
   }
 
   // Export
   return {
     BrowserOptions: BrowserOptions
   };
 });