| <html> |
| <body> |
| <script src="ad_iframe_writer.js"></script> |
| |
| <script> |
| window.addEventListener('message', function(e) { |
| window.domAutomationController.send(e.data); |
| }); |
| |
| adIframe = createAdIframe(); |
| adIframe.id = "slow_frame"; |
| adIframe.src = "/slow?100"; |
| |
| // slow takes 100 seconds to load, plenty of time to overwrite the |
| // provisional load. |
| let doc = adIframe.contentDocument; |
| doc.open(); |
| doc.write("<html>Rewritten. <img src=pixel.png> <img src=pixel2.png> <img src=pixel3.png onload='parent.postMessage("loaded", "*");'></html>"); |
| doc.close(); |
| </script> |
| </body> |
| </html> |
