LayoutTests/http/tests/security/mixedContent/resources/frame-with-insecure-script-secure-cookies.html

<script>
document.cookie = "secureCookie=yes;secure";
console.log(document.cookie);
</script>
<script src="http://127.0.0.1:8080/security/mixedContent/resources/script.js"></script>
<script>
window.onload = function() {
    if (window.opener)
        window.opener.postMessage('done', '*');
};
</script>