chromium/ash/webui/sample_system_web_app_ui/resources/untrusted/untrusted.html

<!-- Copyright 2020 The Chromium Authors
     Use of this source code is governed by a BSD-style license that can be
     found in the LICENSE file. -->

<!DOCTYPE html>
<meta charset="utf-8">
<title>Sample System Web App Untrusted Page</title>

<h1 id='untrusted-title'>Sample System Web App</h1>
<p>Task from parent: <code id="parent-task"></code></p>
<p>Response from parent: <code id="parent-resp"></code></p>

<script type="module" src="untrusted.js"></script>