Split OptionsPage into Page and PageManager

chrome/browser/resources/options/home_page_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() {
-  /** @const */ var OptionsPage = options.OptionsPage;
+  /** @const */ var Page = cr.ui.pageManager.Page;
   /** @const */ var SettingsDialog = options.SettingsDialog;
 
   /**
    * HomePageOverlay class
    * Dialog that allows users to set the home page.
    * @extends {SettingsDialog}
    */
   function HomePageOverlay() {
     SettingsDialog.call(this, 'homePageOverlay',
                         loadTimeData.getString('homePageOverlayTabTitle'),
@@ skipping 10 matching lines @@
      * An autocomplete list that can be attached to the home page URL field.
      * @type {cr.ui.AutocompleteList}
      * @private
      */
     autocompleteList_: null,
 
     /**
      * Initialize the page.
      */
     initializePage: function() {
-      // Call base class implementation to start preference initialization.
       SettingsDialog.prototype.initializePage.call(this);
 
       var self = this;
       options.Preferences.getInstance().addEventListener(
           'homepage_is_newtabpage',
           this.handleHomepageIsNTPPrefChange.bind(this));
 
       var urlField = $('homepage-url-field');
       urlField.addEventListener('keydown', function(event) {
         // Don't auto-submit when the user selects something from the
@@ skipping 98 matching lines @@
   HomePageOverlay.updateAutocompleteSuggestions = function() {
     var instance = HomePageOverlay.getInstance();
     instance.updateAutocompleteSuggestions_.apply(instance, arguments);
   };
 
   // Export
   return {
     HomePageOverlay: HomePageOverlay
   };
 });