<!DOCTYPE html>
<script src="resources/srcset-helper.js"></script>
<style>
    #foo {
        width:90px;
        height:90px;
        background-image: url('resources/deleteButton-2x.png');
        background-repeat: repeat;
        background-size: 30px;
    }
</style>
<div>This test passes if the div below contains 9 evenly spaced delete buttons, and if the high resolution resource is used when the deviceScaleFactor is 2.</div>
<div id=foo></div>