third_party/WebKit/Source/core/testing/data/long_press_object.html - chromium/src - Git at Google

 <body>
   <object data='data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAUAAAAFCAYAAACNbyblAAAAHElEQVQI12P4//8/w38GIAXDIBKE0DHxgljNBAAO9TXL0Y4OHwAAAABJRU5ErkJggg==' width="500" height="500" id="obj">Fallback content</object>
 </body>
	<body>
	<object data='data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAUAAAAFCAYAAACNbyblAAAAHElEQVQI12P4//8/w38GIAXDIBKE0DHxgljNBAAO9TXL0Y4OHwAAAABJRU5ErkJggg==' width="500" height="500" id="obj">Fallback content</object>
	</body>