Implement restart on Idle for Kiosk Mode.

chrome/browser/resources/chromeos/retail_mode_logout_dialog.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.
+
+cr.define('retailModeLogoutDialog', function() {
+  'use strict';
+  var timeToRestart = 20; // seconds
+  var localStrings;
+  var countdownTimer = -1;

[flackr, 2012/02/08 21:23:44]

nit: leave value undefined.

+
+  /**
+   * Decrements the countdown timer and updates the display on the dialog.
+   */
+  function decrementTimer() {
+    if (timeToRestart > 0) {
+      --timeToRestart;
+      $('warning').innerHTML = localStrings.getStringF('warning',
+                                                       timeToRestart);
+    } else {
+      clearInterval(countdownTimer);
+      chrome.send('requestRestart');
+    }
+  }
+
+  /**
+   * Inserts translated strings on loading.
+   */
+  function initialize() {
+    localStrings = new LocalStrings();
+
+    i18nTemplate.process(document, templateData);
+
+    $('warning').innerHTML = localStrings.getStringF('warning', timeToRestart);
+    countdownTimer = setInterval(decrementTimer, 1000);
+  }
+
+  return {
+    initialize: initialize,
+  };
+});
+
+document.addEventListener('DOMContentLoaded',
+                          retailModeLogoutDialog.initialize);