replace-document-root-and-refocus-window.html

<!doctype html>
<html>
<head>
<meta charset="utf-8">
<script>
document.addEventListener("DOMContentLoaded", () => {
  document.designMode = "on";
  let win;
  try {
    win = top.open("data:text/html,This is new window");
  } catch (e) {
  }
  document.designMode = "off";
  document.documentElement.innerHTML = document.documentElement.innerHTML;
  win?.close();
  focus();
}, {once: true});
</script>
</head>
<body>
<small contenteditable></small>
</body>
</html>

chromium/third_party/blink/web_tests/external/wpt/editing/crashtests/replace-document-root-and-refocus-window.html