chromium/src/third_party/blink/web_tests/screen_orientation/resources/iframe-listen-orientation-change-detach.html - manifest_repos/chromium_src - Git at Google

 <!DOCTYPE html>
 <script>
 window.screen.orientation.addEventListener('change', function() {});
 parent.window.changeOrientationAndDetach();
 </script>
	<!DOCTYPE html>
	<script>
	window.screen.orientation.addEventListener('change', function() {});
	parent.window.changeOrientationAndDetach();
	</script>