http-redirecting-to-https.https.sub.html

<!DOCTYPE html>
<html>
  <head>
    <title>HTTPS Upgrades: HTTP URL redirecting to HTTPS</title>
    <script src="/resources/testharness.js"></script>
    <script src="/resources/testharnessreport.js"></script>
    <script src="/common/get-host-info.sub.js"></script>

  </head>
  <body>
    <script>
      setup({ single_test: true });
      // Loads an HTTP URL that redirects to an HTTPS URL. HTTPS upgrading
      // should upgrade the initial URL.
      //
      // HTTPS upgrading doesn't change custom ports, so this will load
      // correctly if an HTTPS upgrade is performed, and will fail to load
      // otherwise (since the port will be wrong for http).
      var final_url = "https://{{host}}:{{ports[https][0]}}/https-upgrades/resources/pass.html";
      var url = new URL("http://{{host}}:{{ports[https][0]}}/fetch/api/resources/redirect.py?location=" + final_url);
      window.onmessage = function(event) {
          if (event.data === "pass") {
              done();
          }
      }
      win = window.open(url)
    </script>
  </body>
</html>

chromium/third_party/blink/web_tests/external/wpt/https-upgrades/tentative/http-redirecting-to-https.https.sub.html