<!DOCTYPE html>
<html>
<head>
    <style>
        img {
            display: block;
            height: 120px;
            width: 200px;
            margin: 20px 50px;
        }
        .composited {
            -webkit-transform: translateZ(0);
        }
    </style>
    <script>
        if (window.testRunner)
            testRunner.dumpAsText();

        function doTest()
        {
            if (window.internals)
                document.getElementById('results').innerText = window.internals.layerTreeAsText(document, internals.LAYER_TREE_INCLUDES_CONTENT_LAYERS);
        }
        window.addEventListener('load', doTest, false);
    </script>
</head>
<body>
    <img class="composited" src="../../fast/css/resources/circles-landscape.png" style="object-fit: cover"></div>
    <img class="composited" src="../../fast/css/resources/circles-landscape.png" style="object-fit: contain"></div>
    <img class="composited" src="../../fast/css/resources/circles-landscape.png" style="object-fit: none"></div>
<pre id="results"></pre>
</body>
</html>