window-controls-overlay-origin-trial-interfaces.html

<!DOCTYPE html>
<meta charset="utf-8">
<!-- Generate token with the command:
generate_token.py http://127.0.0.1:8000 WebAppWindowControlsOverlay --expire-timestamp=2000000000
-->
<meta http-equiv="origin-trial" content="A575gUHU1CTce2Sm57yw18bSHkyVyRYy1TVVF8rbyNfSLqkQV0lyZ8eNtu7pSoiG1jHlsf+1GZif6861vtTmpwgAAABjeyJvcmlnaW4iOiAiaHR0cDovLzEyNy4wLjAuMTo4MDAwIiwgImZlYXR1cmUiOiAiV2ViQXBwV2luZG93Q29udHJvbHNPdmVybGF5IiwgImV4cGlyeSI6IDIwMDAwMDAwMDB9" />
<title>Window Controls Overlay API - interfaces exposed by origin trial</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/resources/origin-trials-helper.js"></script>
<script src="/serviceworker/resources/test-helpers.js"></script>
<script>
'use strict'

test(t => {
  OriginTrialsHelper.check_properties_exist(this, {
    'WindowControlsOverlay': ['visible', 'getTitlebarAreaRect', 'ongeometrychange']
  });
}, 'Window Controls Overlay API interfaces and properties in Origin-Trial enabled document.');

</script>

chromium/third_party/blink/web_tests/http/tests/origin_trials/webexposed/window-controls-overlay-origin-trial-interfaces.html