frame_owner_properties_scrolling.html

<!DOCTYPE html>
<html>
<body>
  <iframe
      id="child-1"
      height="200"
      width="200"
      frameborder="0"
      src="/cross-site/b.com/tall_page.html"></iframe>
</body>
</html>

chromium/content/test/data/frame_owner_properties_scrolling.html