chromium/content/test/data/accessibility/html/map-unused.html

<!-- Unused map/areas are not rendered, and will not show up in the hierarchy -->
<!DOCTYPE html>
<html>
<body>

<map name="pipe">
  <area shape="rect" coords="0,0,145,126" alt="pipe1" href="fake.htm">
  <area shape="rect" coords="0,0,145,126" alt="pipe2">
</map>

</body>
</html>