[cros] Return proxy-settings back to the network menu list for OOBE.

chrome/browser/resources/chromeos/login/oobe_screen_network.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.
 
 /**
  * @fileoverview Oobe network screen implementation.
  */
 
 cr.define('oobe', function() {
   /**
@@ skipping 28 matching lines @@
 
       Oobe.setupSelect($('keyboard-select'),
                        templateData.inputMethodsList,
                        'networkOnInputMethodChanged');
 
       this.dropdown_ = $('networks-list');
       cr.ui.DropDown.decorate(this.dropdown_);
     },
 
     onBeforeShow: function(data) {
-      cr.ui.DropDown.setActive('networks-list', true);
+      cr.ui.DropDown.setActive('networks-list', true, true);
     },
 
     onBeforeHide: function() {
-      cr.ui.DropDown.setActive('networks-list', false);
+      cr.ui.DropDown.setActive('networks-list', false, true);
     },
 
     /**
      * Header text of the screen.
      * @type {string}
      */
     get header() {
       return localStrings.getString('networkScreenTitle');
     },
 
@@ skipping 34 matching lines @@
    * Hides the error notification bubble (if any).
    */
   NetworkScreen.clearErrors = function() {
     $('bubble').hide();
   };
 
   return {
     NetworkScreen: NetworkScreen
   };
 });