Split OptionsPage into Page and PageManager

chrome/browser/resources/options/import_data_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;
+  var Page = cr.ui.pageManager.Page;
+  var PageManager = cr.ui.pageManager.PageManager;
 
   /**
    * ImportDataOverlay class
    * Encapsulated handling of the 'Import Data' overlay page.
    * @class
    */
   function ImportDataOverlay() {
-    OptionsPage.call(this,
-                     'importData',
-                     loadTimeData.getString('importDataOverlayTabTitle'),
-                     'import-data-overlay');
+    Page.call(this,
+              'importData',
+              loadTimeData.getString('importDataOverlayTabTitle'),
+              'import-data-overlay');
   }
 
   cr.addSingletonGetter(ImportDataOverlay);
 
   ImportDataOverlay.prototype = {
-    // Inherit from OptionsPage.
-    __proto__: OptionsPage.prototype,
+    // Inherit from Page.
+    __proto__: Page.prototype,
 
     /**
      * Initialize the page.
      */
     initializePage: function() {
-      // Call base class implementation to start preference initialization.
-      OptionsPage.prototype.initializePage.call(this);
+      Page.prototype.initializePage.call(this);
 
       var self = this;
       var checkboxes =
           document.querySelectorAll('#import-checkboxes input[type=checkbox]');
       for (var i = 0; i < checkboxes.length; i++) {
         checkboxes[i].onchange = function() {
           self.validateCommitButton_();
         };
       }
 
@@ skipping 193 matching lines @@
     $('import-browsers').disabled = importing;
     $('import-throbber').style.visibility = importing ? 'visible' : 'hidden';
     ImportDataOverlay.getInstance().validateCommitButton_();
   };
 
   /**
    * Remove the import overlay from display.
    */
   ImportDataOverlay.dismiss = function() {
     ImportDataOverlay.clearUserPrefs();
-    OptionsPage.closeOverlay();
+    PageManager.closeOverlay();
   };
 
   /**
    * Show a message confirming the success of the import operation.
    */
   ImportDataOverlay.confirmSuccess = function() {
     var showBookmarksMessage = $('import-favorites').checked;
     ImportDataOverlay.setImportingState(false);
     $('import-find-your-bookmarks').hidden = !showBookmarksMessage;
     ImportDataOverlay.getInstance().updateSuccessState_(true);
   };
 
   /**
    * Show the import data overlay.
    */
   ImportDataOverlay.show = function() {
     // Make sure that any previous import success message is hidden, and
     // we're showing the UI to import further data.
     ImportDataOverlay.getInstance().updateSuccessState_(false);
     ImportDataOverlay.getInstance().validateCommitButton_();
 
-    OptionsPage.navigateToPage('importData');
+    PageManager.navigateToPage('importData');
   };
 
   // Export
   return {
     ImportDataOverlay: ImportDataOverlay
   };
 });