nested-iframe-1b.html | Explore in Territory

<!DOCTYPE html>
<html>
<script src="autoplay-test.js"></script>
<iframe src="http://127.0.0.1:8000/media/autoplay/resources/nested-iframe-2.html"></iframe>

chromium/third_party/blink/web_tests/http/tests/media/autoplay/resources/nested-iframe-1b.html