third_party/WebKit/LayoutTests/compositing/overflow/overflow-scroll-with-local-image-background.html

<script>
if (window.testRunner)
    testRunner.waitUntilDone();
onload = function() {
    // Double rAF to ensure content is painted before scroll.
    requestAnimationFrame(function() {
        requestAnimationFrame(function() {
            document.getElementById('scroller').scrollTop = 200;
            if (window.testRunner)
                window.testRunner.notifyDone();
        })
    });
}
</script>
<style>
#scroller {
    background: url('../resources/apple.jpg') local;
    border: 10px solid rgba(0, 255, 0, 0.5);
    overflow: scroll;
    padding: 10px;
    width: 200px;
    height: 200px;
    will-change: transform;
}

.spacer {
    height: 300px;
}
</style>
<!-- This scroller has a locally attached background image which should
    scroll with the content. -->
<div id="scroller">
    <div class="spacer"></div>
</div>