Triage MediaQueryList handleEvent timeout.

The three last tests time out because handleEvent exceptions are not
passed on.

Bug: 1014421
Change-Id: I2349cb92968e375e5af2befaeea49abd1ec584d6
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1889972Reviewed-by: Stephen Chenney <schenney@chromium.org>
Commit-Queue: Rune Lillesveen <futhark@chromium.org>
Cr-Commit-Position: refs/heads/master@{#710770}

third_party/blink/web_tests/TestExpectations

@@ -42,6 +42,8 @@ crbug.com/887140 hdr/color-jpeg-with-color-profile.html [ Failure ]
 crbug.com/887140 hdr/color-profile-video.html [ Failure ]
 crbug.com/887140 hdr/video-canvas-alpha.html [ Failure ]
 
+crbug.com/1014421 external/wpt/css/cssom-view/MediaQueryList-addListener-handleEvent.html [ Timeout ]
+
 # ====== Site Isolation failures from here ======
 # See also third_party/blink/web_tests/virtual/not-site-per-process/README.md
 #
@@ -2648,9 +2650,7 @@ crbug.com/1012627 [ Win7 ] external/wpt/css/css-text/line-breaking/line-breaking
 crbug.com/626703 [ Linux ] external/wpt/html/infrastructure/safe-passing-of-structured-data/shared-array-buffers/window-iframe-messagechannel.https.html [ Timeout ]
 crbug.com/626703 [ Mac ] external/wpt/html/infrastructure/safe-passing-of-structured-data/shared-array-buffers/window-iframe-messagechannel.https.html [ Timeout ]
 crbug.com/626703 [ Win ] external/wpt/html/infrastructure/safe-passing-of-structured-data/shared-array-buffers/window-iframe-messagechannel.https.html [ Timeout ]
-crbug.com/626703 [ Linux ] external/wpt/css/cssom-view/MediaQueryList-addListener-handleEvent.html [ Timeout ]
-crbug.com/626703 [ Mac ] external/wpt/css/cssom-view/MediaQueryList-addListener-handleEvent.html [ Timeout ]
-crbug.com/626703 [ Win ] external/wpt/css/cssom-view/MediaQueryList-addListener-handleEvent.html [ Timeout ]
+
 crbug.com/626703 [ Linux ] external/wpt/css/css-grid/grid-child-percent-basis-resize-1.html [ Failure ]
 crbug.com/626703 [ Mac ] external/wpt/css/css-grid/grid-child-percent-basis-resize-1.html [ Failure ]
 crbug.com/626703 [ Win ] external/wpt/css/css-grid/grid-child-percent-basis-resize-1.html [ Failure ]