LayoutTests/compositing/iframes/iframe-copy-on-scroll.html - WebKit - Git at Google

 <!DOCTYPE html>
 <html>
 <head>
   <style type="text/css" media="screen">
     .container {
       position: absolute;
       padding: 10px;
       z-index: 1;
     }
     .composited {
       position: absolute;
       -webkit-transform: translateZ(0);
     }
   </style>
   <script type="text/javascript" charset="utf-8">
     if (window.testRunner)
         testRunner.waitUntilDone();

         function doTest()
         {
             // Need to wait for compositing layers to be updated.
             window.setTimeout(function() {
                 document.getElementById('iframe').contentWindow.scrollTo(0, 120);
                 if (window.testRunner)
                     testRunner.notifyDone();
             }, 0);
         }

         window.addEventListener('load', doTest, false);
   </script>
 </head>
 <body>
   <p>In pixel results, the blue box should be scrolled out of view.</p>
   <div class="container">
     <iframe id="iframe" src="resources/subframe.html" style="width: 300px; height: 200px;"></iframe>
   </div>
   <div class="composited">
   </div>

 </body>
 </html>
	<!DOCTYPE html>
	<html>
	<head>
	<style type="text/css" media="screen">
	.container {
	position: absolute;
	padding: 10px;
	z-index: 1;
	}
	.composited {
	position: absolute;
	-webkit-transform: translateZ(0);
	}
	</style>
	<script type="text/javascript" charset="utf-8">
	if (window.testRunner)
	testRunner.waitUntilDone();

	function doTest()
	{
	// Need to wait for compositing layers to be updated.
	window.setTimeout(function() {
	document.getElementById('iframe').contentWindow.scrollTo(0, 120);
	if (window.testRunner)
	testRunner.notifyDone();
	}, 0);
	}

	window.addEventListener('load', doTest, false);
	</script>
	</head>
	<body>
	<p>In pixel results, the blue box should be scrolled out of view.</p>
	<div class="container">
	<iframe id="iframe" src="resources/subframe.html" style="width: 300px; height: 200px;"></iframe>
	</div>
	<div class="composited">
	</div>

	</body>
	</html>