popup-coop-by-sw-from-coop.https.html times out occasionally.

TBR=arthursonzogni@chromium.org

Bug: 1112304
Change-Id: Iefdd0e524e06709a58ba23c883eb5995a22921f2
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2334957Reviewed-by: Morten Stenshorne <mstensho@chromium.org>
Reviewed-by: Arthur Sonzogni <arthursonzogni@chromium.org>
Commit-Queue: Morten Stenshorne <mstensho@chromium.org>
Cr-Commit-Position: refs/heads/master@{#794116}

third_party/blink/web_tests/TestExpectations

@@ -2868,7 +2868,6 @@ crbug.com/626703 [ Win ] external/wpt/mathml/presentation-markup/operators/mo-fo
 crbug.com/626703 [ Linux ] external/wpt/mathml/presentation-markup/operators/mo-lspace-rspace-dynamic.html [ Failure ]
 crbug.com/626703 [ Mac ] external/wpt/mathml/presentation-markup/operators/mo-lspace-rspace-dynamic.html [ Failure ]
 crbug.com/626703 [ Win ] external/wpt/mathml/presentation-markup/operators/mo-lspace-rspace-dynamic.html [ Failure ]
-crbug.com/626703 [ Retina ] external/wpt/html/cross-origin-opener-policy/popup-coop-by-sw-from-coop.https.html [ Timeout ]
 crbug.com/626703 [ Mac10.14 ] external/wpt/webrtc/RTCRtpSender-replaceTrack.https.html [ Timeout ]
 crbug.com/626703 [ Win ] external/wpt/webrtc/RTCRtpSender-replaceTrack.https.html [ Timeout ]
 crbug.com/626703 [ Mac10.14 ] external/wpt/preload/onload-event.html [ Timeout ]
@@ -6851,3 +6850,4 @@ crbug.com/1112111 fast/forms/month/month-picker-appearance-step.html [ Pass Fail
 # Sheriff 2020-08-03
 crbug.com/1108423 external/wpt/referrer-policy/gen/worker-classic.http-rp/unset/worker-classic.http.html [ Pass Timeout ]
 crbug.com/1106429 virtual/percent-based-scrolling/max-percent-delta-page-zoom.html [ Pass Failure ]
+crbug.com/1112304 external/wpt/html/cross-origin-opener-policy/popup-coop-by-sw-from-coop.https.html [ Pass Timeout ]