Hide/Disable several (meaningless) options in Settings uber-page for Guest.

chrome/browser/resources/options2/content_settings.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() {
   const OptionsPage = options.OptionsPage;
 
   //////////////////////////////////////////////////////////////////////////////
   // ContentSettings class:
 
@@ skipping 49 matching lines @@
         };
       }
 
       var manageHandlersButton = $('manage-handlers-button');
       if (manageHandlersButton) {
         manageHandlersButton.onclick = function(event) {
           OptionsPage.navigateToPage('handlers');
         };
       }
 
+      // Chrome-OS specific part.

[James Hawkins, 2012/03/05 17:07:12]

Optional nit: This comment is superfluous.

[Denis Kuznetsov (DE-MUC), 2012/03/12 10:32:15]

Done.

+      if (cr.isChromeOS && AccountsOptions.loggedInAsGuest()) {
+        AccountsOptions.disableElementsForGuest(
+            $('clear-cookies-on-exit-group'));
+      }
+
       // Cookies filter page ---------------------------------------------------
       $('show-cookies-button').onclick = function(event) {
         chrome.send('coreOptionsUserMetricsAction', ['Options_ShowCookies']);
         OptionsPage.navigateToPage('cookies');
       };
 
       // Remove from DOM instead of hiding so :last-of-type applies the style
       // correctly.
       var intentsSection = $('intents-section');
       if (!templateData.enable_web_intents && intentsSection)
@@ skipping 128 matching lines @@
                                'list[mode=' + mode + ']');
     exceptionsList.patternValidityCheckComplete(pattern, valid);
   };
 
   // Export
   return {
     ContentSettings: ContentSettings
   };
 
 });