chromium/third_party/blink/web_tests/external/wpt/html/webappapis/dynamic-markup-insertion/html-unsafe-methods/resources/parseHTMLUnsafe-iframe-base.html

<!DOCTYPE html>
<meta charset="utf-8">
<title>An iframe that does parseHTMLUnsafe stuff with base</title>
<base href="/fake/base-from-iframe">

<script src="/html/webappapis/dynamic-markup-insertion/html-unsafe-methods/resources/parseHTMLUnsafe-iframe.js"></script>