[chromium] css3/filters/effect-drop-shadow-hw is sometimes missing an image
http://test-results.appspot.com/dashboards/flakiness_dashboard.html#tests=css3%2Ffilters%2Feffect-drop-shadow-hw.html&showExpectations=true
Committed r108897: <http://trac.webkit.org/changeset/108897>
*** This bug has been marked as a duplicate of bug 79823 ***