sandboxed-iframe-navigation-parent.html

<html>
<body>
    <iframe sandbox="allow-scripts allow-same-origin"
            src="sandboxed-iframe-navigation-source.html">
    </iframe>
    <p id='innocent_content'>innocent content</p>
</body>
</html>

chromium/third_party/blink/web_tests/fast/frames/resources/sandboxed-iframe-navigation-parent.html