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

 <html>
   <head></head>
   <body>
     <button title="my tooltip">My button</button>
   </body>
 </html>
	<html>
	<head></head>
	<body>
	<button title="my tooltip">My button</button>
	</body>
	</html>