third_party/WebKit/Source/web/tests/data/wheel-event-handler-passive.html - chromium/src - Git at Google

 <!DOCTYPE html>
 <html>
 <head>
   <script type="text/javascript">
       window.addEventListener('mousewheel', function(event) {
       }, {passive: true});
   </script>
 </head>

 </html>
	<!DOCTYPE html>
	<html>
	<head>
	<script type="text/javascript">
	window.addEventListener('mousewheel', function(event) {
	}, {passive: true});
	</script>
	</head>

	</html>