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<!DOCTYPE html>
<title>A page that uses fencedframe to set the login status to signed in</title>
<fencedframe></fencedframe>
<script>
// If this page was opened as a popup, notify the opener when we are done loading.
if (window.opener) {
window.onload = function() {
window.opener.postMessage("done_loading", "*");
};
}
// This code is intentionally after the onload listener registration
// because it can throw if FencedFrameConfig is not defined. In that
// case, we still want to notify the opener to avoid a test timeout.
const url = new URL("mark_signedin", location.href);
document.querySelector("fencedframe").config = new FencedFrameConfig(url);
</script>