<!DOCTYPE HTML>
<html>
<head>
  <meta charset="utf-8">
  <title>Test for Bug 886262</title>
  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
  <script src="/tests/SimpleTest/EventUtils.js"></script>
</head>

<script>
  window.addEventListener("message", function(e){
     window.open("file_iframe_sandbox_a_if18.html", "_self");
  });
</script>

<body>
  I'm just here to navigate to file_iframe_sandbox_a_if18.html after my owning
  iframe has had allow-same-origin added.
</body>
</html>

