replace-body-after-designMode-off-and-making-editing-host.html

<!doctype html>
<html>
<head>
<meta charset="utf-8">
<script>
document.addEventListener("DOMContentLoaded", async () => {
  document.designMode = "on";
  const style = document.createElement("style");
  document.documentElement.appendChild(style);
  document.designMode = "off";
  style.setAttribute("contenteditable", "true");
  document.documentElement.innerHTML = "<div></div>";
}, {once: true});
</script>
</head>
<body></body>
</html>

chromium/third_party/blink/web_tests/external/wpt/editing/crashtests/replace-body-after-designMode-off-and-making-editing-host.html