Password in user pods clears after minute of idle state.

chrome/browser/resources/chromeos/login/user_pod_row.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 User pod row implementation.
  */
 
 cr.define('login', function() {
   /**
@@ skipping 936 matching lines @@
      * Resets input UI.
      * @param {boolean} takeFocus True to take focus.
      */
     reset: function(takeFocus) {
       this.disabled = false;
       if (this.activatedPod_)
         this.activatedPod_.reset(takeFocus);
     },
 
     /**
+     * Clears focused pod password field.
+     */
+    clearFocusedPod: function() {
+      if (!this.disabled && this.focusedPod_)
+        this.focusedPod_.reset(true);
+    },
+
+    /**
      * Shows signin UI.
      * @param {string} email Email for signin UI.
      */
     showSigninUI: function(email) {
       // Clear any error messages that might still be around.
       Oobe.clearErrors();
       this.disabled = true;
       this.lastFocusedPod_ = this.getPodWithUsername_(email);
       Oobe.showSigninUI(email);
     },
@@ skipping 188 matching lines @@
         this.classList.remove('images-loading');
         chrome.send('userImagesLoaded');
       }
     }
   };
 
   return {
     PodRow: PodRow
   };
 });