<!DOCTYPE html>
<script src="resources/polyfill.js"></script>

<p>When the AuthorShadowDOM does not have a shadow element, this should be rendered like div.</p>
<form>
    <textarea id="host" style="width: 100px; height: 50px; margin: 0; padding: 0; border: 0; resize: none">Mami</textarea>
    <input id="submit" type="submit" value="Submit">
</form>

<script>
if (window.internals)
    internals.settings.setAuthorShadowDOMForAnyElementEnabled(true);

var shadowRoot = host.webkitCreateShadowRoot();
</script>