chromium/third_party/blink/web_tests/fast/layers/opacity-outline.html

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    <title></title>
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    <p>
        Test for <i><a href="https://bugs.webkit.org/show_bug.cgi?id=9193">http://bugzilla.opendarwin.org/show_bug.cgi?id=9193</a>
        REGRESSION: setting an opacity on an element with an outline causes the outline to disappear completely</i>.
    </p>
    <hr>
    <div style="opacity: 0.5; width: 100px; height: 100px; background: silver; outline: dotted thick;"></div>
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