Unload Easy Unlock app when ChromeOS suspends and reload on wake up.

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 2333 matching lines @@
      * @param {string} username Username of pod to remove button
      */
     hideUserPodCustomIcon: function(username) {
       var pod = this.getPodWithUsername_(username);
       if (pod == null) {
         console.error('Unable to hide user pod button for ' + username +
                       ': user pod not found.');
         return;
       }
 
-      pod.customIconElement.fadeOut();
+      // TODO(tengs): Allow option for a fading transition.
+      pod.customIconElement.hidden = true;

[tbarzic, 2014/09/03 21:40:37]

why is this needed?

[Tim Song, 2014/09/03 21:53:39]

Changed to use hide() instead.

     },
 
     /**
      * Sets the authentication type used to authenticate the user.
      * @param {string} username Username of selected user
      * @param {number} authType Authentication type, must be one of the
      *                          values listed in AUTH_TYPE enum.
      * @param {string} value The initial value to use for authentication.
      */
     setAuthType: function(username, authType, value) {
@@ skipping 622 matching lines @@
        if (pod && pod.multiProfilesPolicyApplied) {
          pod.userTypeBubbleElement.classList.remove('bubble-shown');
        }
      }
   };
 
   return {
     PodRow: PodRow
   };
 });