chrome/test/data/extensions/api_test/active_tab/iframe.js

   1 // Copyright 2015 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 function canXhr(url) {
   6   var xhr = new XMLHttpRequest();
   7   xhr.open('GET', url, false);
   8   var success = true;
   9   try {
  10     xhr.send();
  11   } catch(e) {
  12     assertEq('NetworkError', e.name);
  13     success = false;
  14   }
  15   return success;
  16 }
  17
  18 document.addEventListener('DOMContentLoaded', function() {
  19   chrome.runtime.sendMessage({message:'xhr'}, function(response) {
  20     var success = canXhr(response.url);
  21     chrome.runtime.sendMessage({success:success});
  22   });
  23 });