LayoutTests/http/tests/security/contentSecurityPolicy/upgrade-insecure-requests/resources/nested-nested-frame.html

<div>
    <p>The following script is loaded using 'http', but it should be upgraded to 'https' because the
enclosing frame has already upgraded it.</p>
    <script src="http://127.0.0.1:8443/security/contentSecurityPolicy/resources/alert-pass.js"></script>
<div>
<div>
    <p>The following script is loaded using 'http', but should be upgraded to 'https' because the
enclosing frame is set to upgrade.</p>
    <script src="http://localhost:8443/security/contentSecurityPolicy/resources/alert-pass.js"></script>
</div>