Represent kiosk apps as user pods instead of menu items.

chrome/browser/resources/chromeos/login/screen_account_picker.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.
 
 /**
  * @fileoverview Account picker screen implementation.
  */
 
 login.createScreen('AccountPickerScreen', 'account-picker', function() {
   /**
    * Maximum number of offline login failures before online login.
    * @type {number}
    * @const
    */
   var MAX_LOGIN_ATTEMPTS_IN_POD = 3;
   /**
    * Whether to preselect the first pod automatically on login screen.
    * @type {boolean}
    * @const
    */
   var PRESELECT_FIRST_POD = true;
 
   return {
     EXTERNAL_API: [
       'loadUsers',
+      'setApps',
+      'showAppError',
       'updateUserImage',
       'forceOnlineSignin',
       'setCapsLockState',
       'forceLockedUserPodFocus',
       'removeUser',
       'showBannerMessage',
       'showUserPodButton',
     ],
 
     preferredWidth_: 0,
@@ skipping 139 matching lines @@
       // initially focused.
       var hash = window.location.hash;
       if (hash) {
         var podIndex = hash.substr(1);
         if (podIndex)
           $('pod-row').focusPodByIndex(podIndex, false);
       }
     },
 
     /**
+     * Adds given apps to the pod row.
+     * @param {array} apps Array of apps.
+     */
+    setApps: function(apps) {
+      $('pod-row').setApps(apps);
+    },
+
+    /**
+     * Shows the given kiosk app error message.
+     * @param {!string} message Error message to show.
+     */
+    showAppError: function(message) {
+      // TODO(nkostylev): Figure out a way to show kiosk app launch error
+      // pointing to the kiosk app pod.
+      /** @const */ var BUBBLE_PADDING = 12;
+      $('bubble').showTextForElement($('pod-row'),
+                                     message,
+                                     cr.ui.Bubble.Attachment.BOTTOM,
+                                     $('pod-row').offsetWidth / 2,
+                                     BUBBLE_PADDING);
+    },
+
+    /**
      * Updates current image of a user.
      * @param {string} username User for which to update the image.
      */
     updateUserImage: function(username) {
       $('pod-row').updateUserImage(username);
     },
 
     /**
      * Indicates that the given user must authenticate against GAIA during the
      * next sign-in.
@@ skipping 45 matching lines @@
      * is used by the chrome.screenlockPrivate API.
      * @param {string} username Username of pod to add button
      * @param {string} iconURL URL of the button icon
      */
     showUserPodButton: function(username, iconURL) {
       $('pod-row').showUserPodButton(username, iconURL);
     }
   };
 });