Do not reload account picker when device-local account policy changes

ui/login/account_picker/screen_account_picker.js

 // 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.
 
 /**
  * @fileoverview Account picker screen implementation.
  */
 
 login.createScreen('AccountPickerScreen', 'account-picker', function() {
   /**
@@ skipping 18 matching lines @@
       'showAppError',
       'updateUserImage',
       'setCapsLockState',
       'forceLockedUserPodFocus',
       'removeUser',
       'showBannerMessage',
       'showUserPodCustomIcon',
       'hideUserPodCustomIcon',
       'setAuthType',
       'showEasyUnlockBubble',
+      'setPublicSessionDisplayName',
       'setPublicSessionKeyboardLayouts',
     ],
 
     preferredWidth_: 0,
     preferredHeight_: 0,
 
     // Whether this screen is shown for the first time.
     firstShown_: true,
 
     /** @override */
@@ skipping 254 matching lines @@
     },
 
     /**
      * Shows a tooltip bubble explaining Easy Unlock.
      */
     showEasyUnlockBubble: function() {
       $('pod-row').showEasyUnlockBubble();
     },
 
     /**
+     * Updates the display name shown on a public session pod.
+     * @param {string} userID The user ID of the public session
+     * @param {string} displayName The new display name
+     */
+    setPublicSessionDisplayName: function(userID, displayName) {
+      $('pod-row').setPublicSessionDisplayName(userID, displayName);
+    },
+
+    /**
      * Updates the list of available keyboard layouts for a public session pod.
      * @param {string} userID The user ID of the public session
      * @param {!Object} list List of available keyboard layouts
      */
     setPublicSessionKeyboardLayouts: function(userID, list) {
       $('pod-row').setPublicSessionKeyboardLayouts(userID, list);
     }
   };
 });