Split OptionsPage into Page and PageManager

chrome/browser/resources/options/hotword_confirm_dialog.js

 // Copyright 2014 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 ConfirmDialog = options.ConfirmDialog;
   /** @const */ var SettingsDialog = options.SettingsDialog;
-  /** @const */ var OptionsPage = options.OptionsPage;
+  /** @const */ var PageManager = cr.ui.pageManager.PageManager;
 
   /**
    * A dialog that will pop up when the user attempts to set the value of the
    * Boolean |pref| to |true|, asking for confirmation. It will first check for
    * any errors and if any exist, not display the dialog but toggle the
    * indicator. Like its superclass, if the user clicks OK, the new value is
    * committed to Chrome. If the user clicks Cancel or leaves the settings page,
    * the new value is discarded.
    * @constructor
    * @extends {ConfirmDialog}
@@ skipping 22 matching lines @@
      * change, depending on whether confirmation is needed.
      * @param {Event} event Change event.
      * @private
      */
     onPrefChanged_: function(event) {
       if (!event.value.uncommitted)
         return;
 
       if (event.value.value && !this.confirmed_) {
         if (!this.indicator.errorText) {
-          OptionsPage.showPageByName(this.name, false);
+          PageManager.showPageByName(this.name, false);
         } else {
           this.indicator.updateBasedOnError();
           this.handleCancel();
         }
       } else {
         Preferences.getInstance().commitPref(this.pref, this.metric);
       }
     },
 
     /**
      * Override the initializePage function so that an updated version of
      * onPrefChanged_ can be used.
      * @override */
     initializePage: function() {
       SettingsDialog.prototype.initializePage.call(this);
 
       this.okButton.onclick = this.handleConfirm.bind(this);
       this.cancelButton.onclick = this.handleCancel.bind(this);
       Preferences.getInstance().addEventListener(
           this.pref, this.onPrefChanged_.bind(this));
     }
   };
 
   return {
     HotwordConfirmDialog: HotwordConfirmDialog
   };
 });