chromium/content/test/data/accessibility/regression/reused-map.html

<!--
@BLINK-ALLOW:focus*
@AURALINUX-ALLOW:focus*
@WAIT-FOR:done
-->
<!-- Reusing image map causes serialization error and reset -->
<!-- In addition, reusing a map does not work for non-AT users, therefore, only
  the first time an image map is used should it work -->
<!-- TODO: add DCHECKs around reparenting in the wrong place -->
<img src="data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg'/%3E" alt="star1" usemap="#map">
<img src="data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg'/%3E" alt="star2" usemap="#map">
<map name="map">
  <area shape="rect" coords="0,0,5,5" href="about:blank" alt="Area">
  <area shape="rect" coords="3,3,8,8" href="about:blank" alt="Area2">
</map>

<script>
  document.addEventListener('DOMContentLoaded', () => {
    setTimeout(() => {
      const area1 = document.querySelector('area');
      area1.parentNode.removeChild(area1);
      const area2 = document.querySelector('area');
      area2.focus();
      document.title = 'done';
    }, 50);
  });
</script>