chromium/third_party/blink/web_tests/external/wpt/document-picture-in-picture/propagate-user-activation-from-opener.https.html

<!DOCTYPE html>
<title>Test that a user activation in window that owns a document picture-in-picture window is usable in the
  document picture-in-picture window</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/resources/testdriver.js"></script>
<script src="/resources/testdriver-vendor.js"></script>
<body>
<script>
promise_test(async (t) => {
  await test_driver.bless('request PiP window');
  const pipWindow = await documentPictureInPicture.requestWindow();

  assert_false(navigator.userActivation.isActive, 'the opener should initially not have user activation');
  assert_false(pipWindow.navigator.userActivation.isActive, 'the PiP window should initially not have user activation');

  // Activating this window should also activate the picture-in-picture window.
  await test_driver.bless('activate opener window');
  assert_true(navigator.userActivation.isActive, 'the opener should be activated when the PiP window is activated');
  assert_true(pipWindow.navigator.userActivation.isActive, 'the PiP window should be activated');

  // Consuming activation in the opener should also consume it in the picture-in-picture window.
  window.open();
  assert_false(navigator.userActivation.isActive, 'the opener should no longer be active once it consumes activation');
  assert_false(pipWindow.navigator.userActivation.isActive, 'the PiP window should no longer be active once the opener consumes activation');
});
</script>