aria-tooltip.html | Explore in Territory

<!--
@MAC-ALLOW:AXRoleDescription
@MAC-ALLOW:accessibilityCustomContent
@MAC-ALLOW:AXHelp*
@WIN-ALLOW:xml-roles:*
@WIN-DENY:name*
-->
<!DOCTYPE html>
<html>
<body>
  <input type="text" id="username" aria-describedby="username-tip" />
  <div role="tooltip" id="username-tip">Your username should be your email id</div>
</body>
</html>

chromium/content/test/data/accessibility/aria/aria-tooltip.html