dom/base/test/referrer_header.sjs

   1 function handleRequest(request, response) {
   2   response.setHeader("Referrer-Policy", "same-origin");
   3   response.write(
   4     '<!DOCTYPE HTML><html><body>Loaded</body><script>parent.postMessage(document.referrer, "*");</script></html>'
   5   );
   6 }