chromium/content/test/data/accessibility/html/input-suggestions-source-element.html

<!--
@MAC-ALLOW:AXRoleDescription
@MAC-ALLOW:AXHasPopup
@MAC-ALLOW:AXPopupValue
@WIN-ALLOW:haspopup*
@AURALINUX-ALLOW:haspopup*
@AURALINUX-ALLOW:supports-autocompletion
@AURALINUX-ALLOW:editable
@AURALINUX-ALLOW:focus*
@BLINK-ALLOW:haspopup*
@BLINK-ALLOW:inputType=*
-->
<!DOCTYPE html>
<html>
  <body>
    <input type="text" list="datalist1">
    <datalist id="datalist1">
     <option>Option1</option>
     <option>Option2</option>
    </datalist>
  </body>
</html>