[uber page] Convert 'Under the Hood' page to a sub-page.

chrome/browser/resources/options2/browser_options.js

 // Copyright (c) 2011 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 OptionsPage = options.OptionsPage;
   const ArrayDataModel = cr.ui.ArrayDataModel;
 
   //
   // BrowserOptions class
@@ skipping 35 matching lines @@
 
       // Wire up controls.
       $('startupUseCurrentButton').onclick = function(event) {
         chrome.send('setStartupPagesToCurrentPages');
       };
       $('defaultSearchManageEnginesButton').onclick = function(event) {
         OptionsPage.navigateToPage('searchEngines');
         chrome.send('coreOptionsUserMetricsAction',
             ['Options_ManageSearchEngines']);
       };
+      $('advancedOptionsButton').onclick = function(event) {
+        OptionsPage.navigateToPage('advanced');
+        chrome.send('coreOptionsUserMetricsAction',
+            ['Options_OpenUnderTheHood']);
+      };
       $('defaultSearchEngine').onchange = this.setDefaultSearchEngine_;
 
       var self = this;
       $('instantEnabledCheckbox').customChangeHandler = function(event) {
         if (this.checked) {
           if (self.instantConfirmDialogShown_)
             chrome.send('enableInstant');
           else
             OptionsPage.navigateToPage('instantConfirm');
         } else {
@@ skipping 291 matching lines @@
   BrowserOptions.setInstantFieldTrialStatus = function(enabled) {
     BrowserOptions.getInstance().setInstantFieldTrialStatus_(enabled);
   };
 
   // Export
   return {
     BrowserOptions: BrowserOptions
   };
 
 });