chromium/third_party/blink/web_tests/external/wpt/fenced-frame/resources/csp-fenced-frame-src-blocked-inner.html

<!DOCTYPE html>
<script src="utils.js"></script>
<title>Page embedded as a fenced frame</title>
<script>
  // This file is expected to be unreachable from
  // `csp-fenced-frame-src-blocked.html` in the parent directory because of CSP
  // violation.
  const [key] = parseKeylist();
  writeValueToServer(key, "loaded");
</script>