<!DOCTYPE HTML>
<html>
<head><meta charset="utf-8"></head>
<body onload="checkResults()">
<b>Sub Frame 2 Navigated</b><br/>

<script type='application/javascript'>
  function checkResults() {
  	// query the uri of the loadingPrincipal and the TriggeringPrincipal and pass
  	// that information on to the parent for verification.
    var channel = SpecialPowers.wrap(document).docShell.currentDocumentChannel;
    var triggeringPrincipalURI = channel.loadInfo.triggeringPrincipal.URI.asciiSpec;
    var loadingPrincipalURI = channel.loadInfo.loadingPrincipal.URI.asciiSpec;
    var referrerURI = document.referrer;
    window.parent.parent.postMessage({triggeringPrincipalURI,
    	                              loadingPrincipalURI,
    	                              referrerURI}, '*');
  }
</script>
</body>
</html>