chromium/third_party/blink/web_tests/external/wpt/shared-storage/resources/embedder-context-inner.https.html

<!DOCTYPE html>
<html>
<script src="/shared-storage/resources/util.js"></script>
<script src="/fenced-frame/resources/utils.js"></script>
<body>
<script>

async function init() {
  const [ancestorKey] = parseKeylist();

  await addModuleOnce("/shared-storage/resources/embedder-context-module.js");
  await sharedStorage.run("report-context",
                          {
                            data: {'ancestorKey': ancestorKey}
                          });

  await writeValueToServer(ancestorKey, "embedder_context_inner_loaded");
}

init();
</script>
</body>
</html>