chrome/test/data/chromedriver/subpage_linknav.html - chromium/src - Git at Google

 <!DOCTYPE html>
 <html>
   <head>
     <meta charset="UTF-8">
     <title>Sub Page of Link Navigation</title>
   </head>
   <body>
     <iframe width="200" height="200" src="frame_test.html"></iframe>
     <button id="aa1" onclick="alert('Hi')"> alert</button>
   </body>
 </html>
	<!DOCTYPE html>
	<html>
	<head>
	<meta charset="UTF-8">
	<title>Sub Page of Link Navigation</title>
	</head>
	<body>
	<iframe width="200" height="200" src="frame_test.html"></iframe>
	<button id="aa1" onclick="alert('Hi')"> alert</button>
	</body>
	</html>