chromium/chrome/test/data/autofill/autofill_creditcard_form_in_iframe.html

<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01//EN">
<html>
  <head>
 <title>Credit Card Form in an Iframe</title>
 <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
 </head>
 <body>
  <p>Credit Card Form in an Iframe</p>
  <iframe src="autofill_creditcard_form.html" width="100%" height="800px"></iframe>
 </body>
</html>