chrome/test/data/extensions/activity_log/execute_script_ad_injection/background.js

   1 // Copyright 2014 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 // Test that injecting an ad via tabs.executeScript doesn't circumvent
   6 // detection. This is a very simple test, since the methods are tested much
   7 // more extensively in the
   8 // chrome/test/data/extensions/activity_log/ad_injection.
   9 // If this test grows, it could use the same setup as that test, but there's no
  10 // need for that at the time.
  11
  12 var didInject = false;
  13 var code =
  14     "document.body.appendChild(document.createElement('iframe')).src = " +
  15         "'http://www.known-ads.adnetwork';";
  16
  17 /**
  18  * Injects an ad into the tab using chrome.tabs.executeScript().
  19  * @param {number} tabId The id of the tab to inject into.
  20  */
  21 function injectScript(tabId) {
  22   console.log('injectScript');
  23   if (!didInject) {
  24     console.log('injecting');
  25     didInject = true;
  26     chrome.tabs.executeScript(tabId, {code: code}, function() {
  27       console.log('injected');
  28       chrome.test.sendMessage('Done');
  29     });
  30   }
  31 }
  32
  33 // Inject the script when the tab is updated.
  34 chrome.tabs.onUpdated.addListener(injectScript);