Missing script was added for marker test.

Tests should no longer time out.

TBR=obrufau@igalia.com

Bug: 1034846
Change-Id: I66de46a238562a7e031ef6e7c3a3b40a87a8c0fd
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1970313Reviewed-by: Rune Lillesveen <futhark@chromium.org>
Reviewed-by: Oriol Brufau <obrufau@igalia.com>
Commit-Queue: Rune Lillesveen <futhark@chromium.org>
Commit-Queue: Oriol Brufau <obrufau@igalia.com>
Auto-Submit: Rune Lillesveen <futhark@chromium.org>
Cr-Commit-Position: refs/heads/master@{#725535}

third_party/blink/web_tests/TestExpectations

@@ -2669,9 +2669,6 @@ crbug.com/1012627 [ Win7 ] external/wpt/css/css-text/line-breaking/line-breaking
 crbug.com/1029514 external/wpt/html/semantics/embedded-content/the-video-element/resize-during-playback.html [ Pass Failure ]
 
 # ====== New tests from wpt-importer added here ======
-crbug.com/626703 [ Linux ] external/wpt/css/css-pseudo/marker-content-013.html [ Timeout ]
-crbug.com/626703 [ Mac ] external/wpt/css/css-pseudo/marker-content-013.html [ Timeout ]
-crbug.com/626703 [ Win ] external/wpt/css/css-pseudo/marker-content-013.html [ Timeout ]
 crbug.com/626703 [ Linux ] external/wpt/css/motion/offset-anchor-transform-box-fill-box-003.html [ Failure ]
 crbug.com/626703 [ Mac ] external/wpt/css/motion/offset-anchor-transform-box-fill-box-003.html [ Failure ]
 crbug.com/626703 [ Win ] external/wpt/css/motion/offset-anchor-transform-box-fill-box-003.html [ Failure ]