[Sheriff] Mark...

[Sheriff] Mark external/wpt/css/vendor-imports/mozilla/mozilla-central-reftests/counter-styles-3/system-alphabetic-invalid.html as failure on Mac

Bug: 935689
Tbr: xiaochengh@chromium.org
NoTry: True
Change-Id: Iaf8fc68d5fa7aeea1f81cff12ae165d1fe92f206
Reviewed-on: https://chromium-review.googlesource.com/c/1489306Reviewed-by: Xiaocheng Hu <xiaochengh@chromium.org>
Commit-Queue: Xiaocheng Hu <xiaochengh@chromium.org>
Cr-Commit-Position: refs/heads/master@{#635588}

third_party/blink/web_tests/TestExpectations

@@ -5888,6 +5888,9 @@ crbug.com/935689 [ Mac ] external/wpt/css/vendor-imports/mozilla/mozilla-central
 crbug.com/935689 [ Mac ] external/wpt/css/vendor-imports/mozilla/mozilla-central-reftests/counter-styles-3/system-symbolic-invalid.html [ Failure ]
 crbug.com/935690 [ Mac ] virtual/video-surface-layer/media/video-played-ranges-1.html [ Failure ]
 
+# Sheriff 2019-02-26
+crbug.com/935689 [ Mac ] external/wpt/css/vendor-imports/mozilla/mozilla-central-reftests/counter-styles-3/system-alphabetic-invalid.html [ Failure ]
+
 # Device Sensor Events are being restricted to secure browsing contexts, but the change is still gated on a runtime flag.
 crbug.com/932078 http/tests/security/powerfulFeatureRestrictions/device-orientation-future-behavior-on-insecure-origin.html [ Skip ]
 crbug.com/932078 virtual/secure-device-sensor-events/http/tests/security/powerfulFeatureRestrictions/device-orientation-on-insecure-origin.html [ Skip ]