| Index: third_party/WebKit/LayoutTests/media/video-controls.html
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| diff --git a/third_party/WebKit/LayoutTests/media/video-controls.html b/third_party/WebKit/LayoutTests/media/video-controls.html
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| index e048c8e9b21c888b9461e962aa3d48f30ba6e8ab..c2c26a739aea081ca1a86ed00538a9ac7527137b 100644
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| --- a/third_party/WebKit/LayoutTests/media/video-controls.html
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| +++ b/third_party/WebKit/LayoutTests/media/video-controls.html
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| @@ -1,22 +1,26 @@
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| +<!DOCTYPE html>
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| +<title>Test "controls" attribute.</title>
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| +<script src="../resources/testharness.js"></script>
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| +<script src="../resources/testharnessreport.js"></script>
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| +<script src="media-file.js"></script>
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|  <video controls></video>
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| -<p>Test 'controls' attribute<p>
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| -<script src=media-file.js></script>
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| -<!-- TODO(foolip): Convert test to testharness.js. crbug.com/588956
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| -     (Please avoid writing new tests using video-test.js) -->
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| -<script src=video-test.js></script>
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|  <script>
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| -    testExpected("video.controls", null, '!=');
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| -    waitForEvent('canplaythrough', function () {
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| -        testExpected("video.controls", null, '!=');
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| -        run("video.removeAttribute('controls')");
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| -        testExpected("video.controls", false, '==');
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| -        run("video.controls = true");
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| -        testExpected("video.getAttribute('controls')", "");
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| -        run("video.controls = false");
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| -        testExpected("video.controls", false, '==');
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| -        run("video.setAttribute('controls','controls')");
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| -        testExpected("video.controls", null, '!=');
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| -        endTest();
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| -    } );
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| +async_test(function(t) {
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| +    var video = document.querySelector("video");
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| +    assert_true(video.controls);
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| +
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| +    video.oncanplaythrough = t.step_func_done(function() {
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| +        assert_true(video.controls);
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| +        video.removeAttribute("controls");
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| +        assert_false(video.controls);
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| +        video.controls = true;
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| +        assert_equals(video.getAttribute("controls"), "");
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| +        video.controls = false;
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| +        assert_false(video.controls);
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| +        video.setAttribute("controls", "controls");
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| +        assert_true(video.controls);
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| +    });
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| +
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|      video.src = findMediaFile("video", "content/test");
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| -</script>
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| +});
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| +</script>
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| 
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