[css-pseudo] Retriage ::marker WPT failures that bug 457718 won't fix

Lack of support for ::before::marker and ::after::marker, and some
problems with legacy markers with 'content: normal'.

Bug: 1097992, 1101034, 1101040
Change-Id: Iabd75e6d6e0fb8dd483f7b7415e26d51f9b2335c
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2274605Reviewed-by: Rune Lillesveen <futhark@chromium.org>
Commit-Queue: Oriol Brufau <obrufau@igalia.com>
Cr-Commit-Position: refs/heads/master@{#784375}

third_party/blink/web_tests/FlagExpectations/disable-layout-ng

@@ -90,9 +90,9 @@ crbug.com/457718 external/wpt/css/css-pseudo/marker-content-005.html [ Failure ]
 crbug.com/457718 external/wpt/css/css-pseudo/marker-content-006.html [ Failure ]
 crbug.com/457718 external/wpt/css/css-pseudo/marker-content-012.html [ Failure ]
 crbug.com/457718 external/wpt/css/css-pseudo/marker-content-015.html [ Failure ]
-crbug.com/457718 external/wpt/css/css-pseudo/marker-content-016.html [ Failure ]
+crbug.com/1101040 external/wpt/css/css-pseudo/marker-content-016.html [ Failure ]
 crbug.com/457718 external/wpt/css/css-pseudo/marker-content-017.html [ Failure ]
-crbug.com/457718 external/wpt/css/css-pseudo/marker-content-018.html [ Failure ]
+crbug.com/1101034 external/wpt/css/css-pseudo/marker-content-018.html [ Failure ]
 crbug.com/457718 external/wpt/css/css-pseudo/marker-content-021.html [ Failure ]
 crbug.com/1012289 external/wpt/css/css-pseudo/marker-unicode-bidi-default.html [ Failure ]
 crbug.com/1012289 external/wpt/css/css-pseudo/marker-unicode-bidi-normal.html [ Failure ]

third_party/blink/web_tests/TestExpectations

@@ -3646,7 +3646,7 @@ crbug.com/1031667 external/wpt/css/css-pseudo/marker-content-007.tentative.html
 crbug.com/1031667 external/wpt/css/css-pseudo/marker-content-008.tentative.html [ Failure ]
 crbug.com/1031667 external/wpt/css/css-pseudo/marker-content-009.tentative.html [ Failure ]
 crbug.com/1031667 external/wpt/css/css-pseudo/marker-content-011.tentative.html [ Failure ]
-crbug.com/457718 external/wpt/css/css-pseudo/marker-font-variant-numeric-normal.html [ Failure ]
+crbug.com/1097992 external/wpt/css/css-pseudo/marker-font-variant-numeric-normal.html [ Failure ]
 crbug.com/1060007 external/wpt/css/css-pseudo/marker-text-combine-upright.html [ Failure ]
 
 # iframe tests time out if the request is blocked as mixed content.