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

ui/login/account_picker/user_pod_row.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 User pod row implementation.
  */
 
 cr.define('login', function() {
   /**
@@ skipping 1143 matching lines @@
       if (this.parentNode.disabled)
         return;
 
       this.parentNode.focusPod(this);
       this.parentNode.setActivatedPod(this, e);
       // Prevent default so that we don't trigger 'focus' event.
       e.preventDefault();
     },
 
     /**
+     * Updates the display name shown on the pod.
+     * @param {string} displayName The new display name
+     */
+    setDisplayName: function(displayName) {
+      this.user_.displayName = displayName;
+      this.update();
+    },
+
+    /**
      * Handle mouse and keyboard events for the learn more button. Triggering
      * the button causes information about public sessions to be shown.
      * @param {Event} event Mouse or keyboard event.
      */
     handleLearnMoreEvent: function(event) {
       switch (event.type) {
         // Show informaton on left click. Let any other clicks propagate.
         case 'click':
           if (event.button != 0)
             return;
@@ skipping 660 matching lines @@
       /** @const */ var BUBBLE_OFFSET = 20;
       /** @const */ var BUBBLE_PADDING = 8;
       $('bubble').showContentForElement(attachElement,
                                         cr.ui.Bubble.Attachment.RIGHT,
                                         bubbleContent,
                                         BUBBLE_OFFSET,
                                         BUBBLE_PADDING);
     },
 
     /**
+     * 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) {
+      var pod = this.getPodWithUsername_(userID);
+      if (pod != null)
+        pod.setDisplayName(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) {
       var pod = this.getPodWithUsername_(userID);
       if (pod != null)
         pod.populateKeyboardSelect_(list);
     },
 
@@ skipping 557 matching lines @@
       if (this.podsWithPendingImages_.length == 0) {
         this.classList.remove('images-loading');
       }
     }
   };
 
   return {
     PodRow: PodRow
   };
 });