<!DOCTYPE html>
<meta charset="utf-8">
<title>HTML Test: child browsing contexts created by iframe elements</title>
<link rel="author" title="Intel" href="http://www.intel.com/" />
<table id="tbl">
  <tr>
    <td>
      <iframe id="fr4" src=""></iframe>
    </td>
  </tr>
  <iframe id="fr5" src="about:blank"></iframe>
</table>