[cros] Add checkbox for toggling data roaming setting.

chrome/browser/resources/options/chromeos_internet_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() {
   var OptionsPage = options.OptionsPage;
 
   /////////////////////////////////////////////////////////////////////////////
   // InternetOptions class:
 
@@ skipping 148 matching lines @@
     if (data.cellularAvailable) {
       if (data.cellularEnabled) {
         $('disableCellular').disabled = false;
         $('disableCellular').classList.remove('hidden');
         $('enableCellular').classList.add('hidden');
       } else {
         $('enableCellular').disabled = false;
         $('enableCellular').classList.remove('hidden');
         $('disableCellular').classList.add('hidden');
       }
+      if (!AccountsOptions.currentUserIsOwner())
+        $('internetOwnerOnlyWarning').classList.remove('hidden');

[arv (Not doing code reviews), 2011/03/16 17:04:12]

Or if you used hidden attribute

$('internetOwnerOnlyWarning').hidden = false;

I see that the rest of the code here uses a class name but code cleanup is
always welcome.

[Nikita (slow), 2011/03/17 10:45:57]

Done.

     } else {
       $('enableCellular').classList.add('hidden');
       $('disableCellular').classList.add('hidden');
+      $('enableDataRoaming').classList.add('hidden');
     }
 
     InternetOptions.useSettingsUI = data.networkUseSettingsUI;
   };
 
   // Prevent clobbering of password input field.
   InternetOptions.lockUpdates = function () {
     InternetOptions.updateLocked = true;
   };
 
@@ skipping 215 matching lines @@
       page.removeAttribute('gsm');
     }
     OptionsPage.navigateToPage('detailsInternetPage');
   };
 
   // Export
   return {
     InternetOptions: InternetOptions
   };
 });