Update network error template to new design

chrome/renderer/resources/neterror.js

 // Copyright 2013 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.
 
 function toggleHelpBox() {
   var helpBoxOuter = document.getElementById('help-box-outer');
   helpBoxOuter.classList.toggle('hidden');
   var detailsButton = document.getElementById('details-button');
   if (helpBoxOuter.classList.contains('hidden'))
     detailsButton.innerText = detailsButton.detailsText;
@@ skipping 108 matching lines @@
     controlButtonDiv.insertBefore(primaryButton, secondaryButton);
   } else {
     buttons.classList.add('suggested-right');
     controlButtonDiv.insertBefore(secondaryButton, primaryButton);
   }
 
   if (reloadButton.style.display == 'none' &&
       staleLoadButton.style.display == 'none') {
     detailsButton.classList.add('singular');
   }
+
+  // Hide the details button if there are no details to show.
+  if (templateData && templateData.summary && !templateData.summary.msg) {
+    document.getElementById('details-button').classList.add('hidden');

[arv (Not doing code reviews), 2014/09/15 17:35:43]

How about just using .hidden instead of class hidden?

[edwardjung, 2014/09/16 13:14:30]

Done. Thanks for the tip.

+    document.getElementById('help-box-outer').style.display = 'block';
+  }
 }
-document.addEventListener('DOMContentLoaded', setButtonLayout);
+
+document.addEventListener('DOMContentLoaded', function() {
+    setButtonLayout();
+    if (document.querySelector('.icon-offline')) {
+      document.body.classList.add('offline');
+      new Runner('.interstitial-wrapper');
+    }
+  });