LayoutTests/http/tests/device-orientation/resources/request-motion-events.html - WebKit - Git at Google

 <!DOCTYPE html>
 <html>
 <body>
 <script>
 addEventListener("devicemotion", () => {});

 internals.withUserGesture(() => {
     DeviceMotionEvent.requestPermission().then((result) => {
         top.postMessage(result, "*");
     });
 });
 </script>
 </body>
 </html>
	<!DOCTYPE html>
	<html>
	<body>
	<script>
	addEventListener("devicemotion", () => {});

	internals.withUserGesture(() => {
	DeviceMotionEvent.requestPermission().then((result) => {
	top.postMessage(result, "*");
	});
	});
	</script>
	</body>
	</html>