Password in user pods clears after minute of idle state.

chrome/browser/resources/chromeos/login/display_manager.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 Display manager for WebUI OOBE and login.
  */
 
 // TODO(xiyuan): Find a better to share those constants.
 /** @const */ var SCREEN_OOBE_NETWORK = 'connect';
@@ skipping 669 matching lines @@
    * @param {boolean} disable true to disable
    */
   DisplayManager.updateAddUserButtonStatus = function(disable) {
     $('add-user-button').disabled = disable;
     $('add-user-button').classList[
         disable ? 'add' : 'remove']('button-restricted');
     $('add-user-button').title = disable ?
         localStrings.getString('disabledAddUserTooltip') : '';
   }
 
+  /**
+   * Clears password field in user-pod.
+   */
+  DisplayManager.clearUserPodPassword = function() {
+    $('pod-row').clearFocusedPod();
+  };
+
   // Export
   return {
     DisplayManager: DisplayManager
   };
 });