[cros] User images are updated on the login screen.

chrome/browser/resources/chromeos/login/screen_account_picker.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 Account picker screen implementation.
  */
 
 cr.define('login', function() {
   /**
@@ skipping 63 matching lines @@
     // If this is showing for the lock screen display the sign out button, hide
     // the add user button and activate the locked user's pod.
     var lockedPod = $('pod-row').lockedPod;
     $('add-user-header-bar-item').hidden = !!lockedPod;
     $('sign-out-user-item').hidden = !lockedPod;
     if (lockedPod)
       lockedPod.activate();
   };
 
   /**
+   * Updates current image of a user.
+   * @param {string} email Email of the user for which to update the image.
+   * @public
+   */
+  AccountPickerScreen.updateUserImage = function(email) {
+    console.log('updateUserImage ' + email);
+    $('pod-row').updateUserImage(email);
+  };
+
+  /**
    * Updates Caps Lock state (for Caps Lock hint in password input field).
    * @param {boolean} enabled Whether Caps Lock is on.
    * @public
    */
   AccountPickerScreen.setCapsLockState = function(enabled) {
     $('pod-row').classList[enabled ? 'add' : 'remove']('capslock-on');
   };
 
   return {
     AccountPickerScreen: AccountPickerScreen
   };
 });