Temporarily disable cross-origin-objects.html test until V8 roll

Bug: 793406
Change-Id: Ibce079364e229ddddc9c76fd7929a2e7866f0f14
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2149283
Auto-Submit: Timothy Gu <timothygu@chromium.org>
Commit-Queue: Domenic Denicola <domenic@chromium.org>
Reviewed-by: Domenic Denicola <domenic@chromium.org>
Cr-Commit-Position: refs/heads/master@{#758926}

third_party/blink/web_tests/TestExpectations

@@ -6124,7 +6124,9 @@ crbug.com/1015187 external/wpt/html/cross-origin-embedder-policy/none.https.html
 # Sheriff 2019-11-29
 crbug.com/1019079 virtual/gpu/fast/canvas/OffscreenCanvas-placeholder-createImageBitmap.html [ Pass Failure ]
 crbug.com/1019079 fast/canvas/OffscreenCanvas-placeholder-createImageBitmap.html [ Pass Failure ]
-crbug.com/1027434 external/wpt/html/browsers/origin/cross-origin-objects/cross-origin-objects.html [ Pass Timeout ]
+#crbug.com/1027434 external/wpt/html/browsers/origin/cross-origin-objects/cross-origin-objects.html [ Pass Timeout ]
+# Temporarily disabled until V8 roll
+crbug.com/793406 external/wpt/html/browsers/origin/cross-origin-objects/cross-origin-objects.html [ Skip ]
 crbug.com/1027434 virtual/not-site-per-process/external/wpt/html/browsers/origin/cross-origin-objects/cross-origin-objects.html [ Pass Timeout ]
 
 # Sheriff 2019-12-02