Mark more idlharness.js tests on MSan as slow

TBR=robertma@chromium.org
NOTRY=true

Bug: 856601
Change-Id: I8527c9d7c1df382f08620378ac9931634cfdd5aa
Reviewed-on: https://chromium-review.googlesource.com/1172226Reviewed-by: Makoto Shimazu <shimazu@chromium.org>
Commit-Queue: Makoto Shimazu <shimazu@chromium.org>
Cr-Commit-Position: refs/heads/master@{#582519}

third_party/WebKit/LayoutTests/MSANExpectations

@@ -171,6 +171,13 @@ crbug.com/856601 [ Linux ] virtual/outofblink-cors/external/wpt/fetch/cors-rfc19
 crbug.com/856601 [ Linux ] virtual/outofblink-cors/external/wpt/service-workers/service-worker/interfaces-sw.https.html [ Timeout Pass ]
 crbug.com/856601 [ Linux ] virtual/service-worker-servicification/external/wpt/service-workers/service-worker/interfaces-sw.https.html [ Timeout Pass ]
 crbug.com/856601 [ Linux ] virtual/video-surface-layer/external/wpt/picture-in-picture/idlharness.window.html [ Pass Timeout ]
+crbug.com/856601 [ Linux ] external/wpt/fetch/api/idl.any.sharedworker.html [ Pass Timeout ]
+crbug.com/856601 [ Linux ] external/wpt/fetch/cors-rfc1918/idlharness.tentative.https.any.serviceworker.html [ Pass Timeout ]
+crbug.com/856601 [ Linux ] external/wpt/media-capabilities/idlharness.any.html [ Pass Timeout ]
+crbug.com/856601 [ Linux ] external/wpt/orientation-event/idlharness.window.html [ Pass Timeout ]
+crbug.com/856601 [ Linux ] external/wpt/pointerlock/interfaces.window.html [ Pass Timeout ]
+crbug.com/856601 [ Linux ] virtual/outofblink-cors-ns/external/wpt/xhr/idlharness.any.worker.html [ Pass Timeout ]
+crbug.com/856601 [ Linux ] virtual/outofblink-cors/external/wpt/xhr/idlharness.any.sharedworker.html [ Pass Timeout ]
 
 # background-fetch tests crash on MSAN
 crbug.com/869818 [ Linux ] external/wpt/background-fetch/fetch.https.window.html [ Pass Crash ]