chromium/third_party/blink/web_tests/external/wpt/html/browsers/history/the-history-interface/traverse_the_history_write_onload_2-1.html

<!doctype html>
3
<script>
  onunload = function() {}
  opener.pages.push(3);
  onload = function() {
    document.write("<!doctype html>4<script>opener.pages.push(4); if(!opener.started) {opener.started = true; history.go(-1);}<\/script>");
  }
</script>