Password in user pods clears after minute of idle state.

chrome/browser/resources/chromeos/login/oobe.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 Out of the box experience flow (OOBE).
  * This is the main code for the OOBE WebUI implementation.
  */
 
 var localStrings = new LocalStrings();
@@ skipping 498 matching lines @@
   };
 
   /**
    * Displays the given |termsOfService| on the Terms of Service screen.
    * @param {string} termsOfService The terms of service, as plain text.
    */
   Oobe.setTermsOfService = function(termsOfService) {
     oobe.TermsOfServiceScreen.setTermsOfService(termsOfService);
   };
 
+  /**
+   * Clears password field in user-pod.
+   */
+  Oobe.clearUserPodPassword = function() {
+    DisplayManager.clearUserPodPassword();
+  };
+
   // Export
   return {
     Oobe: Oobe
   };
 });
 
 var Oobe = cr.ui.Oobe;
 
 // Allow selection events on components with editable text (password field)
 // bug (http://code.google.com/p/chromium/issues/detail?id=125863)
 disableTextSelectAndDrag(function(e) {
   var src = e.target;
   return src instanceof HTMLTextAreaElement ||
          src instanceof HTMLInputElement &&
          /text|password|search/.test(src.type);
 });
 
 document.addEventListener('DOMContentLoaded', cr.ui.Oobe.initialize);