chromium/third_party/blink/web_tests/external/wpt/fedcm/support/lfedcm-identity.provider-delete.sub.html

<!doctype html>
<head>
<title>Helper to delete 'identity' credentials for discovery</title>
</head>
<script>
'use strict';

// we delete a credential by storing a credential with the same ID but
// that is effective for no use. There isn't a native delete in the
// credential manager, so this is how it must be done
async function deleteCredentials() {
  const queryString = window.location.search;
  const params = new URLSearchParams(queryString);
  let identityData = {
    id: params.get("id"),
  }
  await navigator.credentials.store(await navigator.credentials.create({
    identity: identityData
  }));
}

deleteCredentials().then(() => {
  window.opener.postMessage("deleted", "*");
})


</script>