<style>
a { display:block; width:500px; height:500px; }
a:link {
  background:olive;
}

a:visited {
  color: white
}
</style>
<script>
if (window.testRunner) {
    testRunner.waitUntilDone();
    testRunner.keepWebHistory();
}
function waitForStyleChange(failureTime)
{
    var aElement = document.getElementsByTagName('a')[0];
    if (internals.computedStyleIncludingVisitedInfo(aElement).color === 'rgb(255, 255, 255)')
        testRunner.notifyDone();
    else if (Date.now() > failureTime)
        testRunner.notifyDone();
    else
        setTimeout(waitForStyleChange, 5, failureTime);
}
function doTest()
{
    if (window.testRunner)
        waitForStyleChange(Date.now() + 500);
}
</script>
<body onload="doTest()">
<iframe src="resources/dummy.html" style="display:none"></iframe>
<a href="resources/dummy.html">This text should be white on an olive background.</a>
</body>