frame-ancestors-and-x-frame-options.sub.html

<!DOCTYPE html>
<html>
<body>
    <p>This is an IFrame sending a Content Security Policy header containing "frame-ancestors {{GET[policy]}}" and "X-Frame-Options: {{GET[xfo]}}".</p>
    <script>
        // This is an IFrame sending a Content Security Policy header containing "frame-ancestors {{GET[policy]}}" and "X-Frame-Options: {{GET[xfo]}}".
    </script>
</body>
</html>

chromium/third_party/blink/web_tests/external/wpt/content-security-policy/frame-ancestors/support/frame-ancestors-and-x-frame-options.sub.html