media/media-document-audio-repaint.html is flaky

BUG=353934
TBR=enne@chromium.org

Review URL: https://codereview.chromium.org/197873036

git-svn-id: svn://svn.chromium.org/blink/trunk@169528 bbb929c8-8fbe-4397-9dbb-9b2b20218538

third_party/WebKit/LayoutTests/TestExpectations

@@ -922,7 +922,7 @@ crbug.com/353087 w3c/web-platform-tests/shadow-dom/elements-and-dom-objects/the-
 crbug.com/353087 w3c/web-platform-tests/shadow-dom/styles/test-012.html [ Failure ]
 crbug.com/353727 virtual/threaded/animations/keyframe-timing-functions-multiple-properties.html [ Pass Timeout ]
 crbug.com/24182 [ Win ] jquery/manipulation.html [ Pass Timeout ]
-
+crbug.com/353934 media/media-document-audio-repaint.html [ Pass Failure ]
 crbug.com/353736 [ Linux ] fast/forms/number/number-appearance-spinbutton-disabled-readonly.html [ Pass ImageOnlyFailure ]
 crbug.com/353736 [ Linux ] fast/forms/select/listbox-appearance-basic.html [ Pass ImageOnlyFailure ]
 crbug.com/353751 http/tests/security/contentSecurityPolicy/1.1/frame-ancestors/frame-ancestors-nested-same-in-same-none-block.html [ Pass Failure ]