file_blob_top_nav_block_modals.html

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<!DOCTYPE HTML>

<html>

<head>

  <meta charset="utf-8">

</head>

<body>

<script>

  // If the alert box is blocked correctly by the CSP then postMessage will

  // send the message and test passes.

  var text = "<script>alert(document.domain);window.opener.postMessage("+

             "{\"test\": \"block_top_nav_alert_test\", \"msg\": "+

             "\"blob top nav alert blocked by CSP\"}, \"*\")<\/script>";

  var blob = new Blob([text], {type : 'text/html'});

  var url = URL.createObjectURL(blob);

  location.href=url;

</script>

</body>

</html>