encryption_keys_recoverability_complete.html

<html>
<head>
<script>
function base64DecodeToArrayBuffer(encoded) {
  // atob() decodes base64 strings into binary string.
  var decoded = atob(encoded);
  var buffer = new ArrayBuffer(decoded.length);
  var view = new Uint8Array(buffer);
  for (var i = 0; i < decoded.length; i++) {
    view[i] = decoded.charCodeAt(i);
  }
  return buffer;
}

window.onload = function() {
  chrome.addTrustedSyncEncryptionRecoveryMethod(
        () => { window.close(); },
        /*gaia_id=*/location.search.substring(1),
        /*public_key=*/base64DecodeToArrayBuffer(location.hash.substring(1)),
        /*method_type_hint=*/2);
}
</script>
</head>
</html>

chromium/chrome/test/data/sync/encryption_keys_recoverability_complete.html