Fix typo in options2 browser_options.js

chrome/browser/resources/options2/browser_options.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 ArrayDataModel = cr.ui.ArrayDataModel;
   var RepeatingButton = cr.ui.RepeatingButton;
 
   //
@@ skipping 503 matching lines @@
       }
 
       $('sync-section').hidden = false;
       this.syncSetupCompleted = syncData.setupCompleted;
       $('customize-sync').hidden = !syncData.setupCompleted;
 
       var startStopButton = $('start-stop-sync');
       startStopButton.disabled = syncData.managed ||
           syncData.setupInProgress;
       startStopButton.hidden =
-          syncData.setupCompleted && cr.isChromeOs;
+          syncData.setupCompleted && cr.isChromeOS;
       startStopButton.textContent =
           syncData.setupCompleted ?
               localStrings.getString('syncButtonTextStop') :
           syncData.setupInProgress ?
               localStrings.getString('syncButtonTextInProgress') :
               localStrings.getString('syncButtonTextStart');
 
 
       // TODO(estade): can this just be textContent?
       $('sync-status-text').innerHTML = syncData.statusText;
@@ skipping 680 matching lines @@
     BrowserOptions.getLoggedInUsername = function() {
       return BrowserOptions.getInstance().username_;
     };
   }
 
   // Export
   return {
     BrowserOptions: BrowserOptions
   };
 });