Cleanup: better session restore UI.

chrome/browser/resources/options2/session_restore_overlay.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('options', function() {
-  var OptionsPage = options.OptionsPage;
-
-  function SessionRestoreOverlay() {
-    OptionsPage.call(this, 'sessionRestoreOverlay',
-                     loadTimeData.getString('sessionRestoreOverlayTitle'),
-                     'sessionRestoreOverlay');
-  };
-
-  cr.addSingletonGetter(SessionRestoreOverlay);
-
-  SessionRestoreOverlay.prototype = {
-    // Inherit from OptionsPage.
-    __proto__: OptionsPage.prototype,
-
-    initializePage: function() {
-      OptionsPage.prototype.initializePage.call(this);
-
-      $('sessionRestoreOverlayCancel').onclick = function() {
-        BrowserOptions.getInstance().sessionRestoreDialogCancel();
-        OptionsPage.closeOverlay();
-      };
-
-      $('sessionRestoreOverlayOk').onclick = function() {
-        BrowserOptions.getInstance().sessionRestoreDialogOk();
-        OptionsPage.closeOverlay();
-      };
-    },
-  };
-
-  // Export
-  return {
-    SessionRestoreOverlay: SessionRestoreOverlay
-  };
-});