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chromium/third_party/blink/web_tests/external/wpt/webusb/usb.serviceworker.https.html 

<!DOCTYPE html>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/service-workers/service-worker/resources/test-helpers.sub.js"></script>
<div id="log"></div>
<script>
'use strict';

service_worker_test('/webusb/usb.serviceworker.js',
    'Ensure that WebUSB is inaccessible from a service worker.');

</script>