chromium/third_party/blink/web_tests/http/tests/permissions-policy/resources/permissions-policy-iframe.xslt

<?xml version="1.0"?>
<xsl:stylesheet version="1.0"
              xmlns:xsl="http://www.w3.org/1999/XSL/Transform">

<xsl:template match="page">
  <html>
    <head>
      <title> Test XSLT </title>
      <script>
        window.onload = () => {
          navigator.geolocation.getCurrentPosition(
            () => { parent.postMessage('geolocation allowed', '*'); },
            () => { parent.postMessage('geolocation disallowed', '*'); }
          );
        };
      </script>
    </head>
    <body></body>
  </html>
</xsl:template>

</xsl:stylesheet>