Rebaseline after Skia roll

Bug: 915735
Change-Id: I2637ff932cbe090e41cf71d4ad0b02eff141f2b2
Reviewed-on: https://chromium-review.googlesource.com/c/1388547Reviewed-by: Florin Malita <fmalita@chromium.org>
Commit-Queue: Michael Ludwig <michaelludwig@google.com>
Cr-Commit-Position: refs/heads/master@{#618652}

third_party/blink/web_tests/TestExpectations

@@ -5955,7 +5955,6 @@ crbug.com/v8/8381 http/tests/devtools/coverage/multiple-instances-merge.js [ Pas
 crbug.com/v8/8381 http/tests/devtools/coverage/coverage-export.js [ Pass Failure ]
 
 # TODO (michaelludwig): Todo after Skia roll and rebaseline
-crbug.com/915735 compositing/masks/mask-with-added-filters.html [ Pass Failure ]
 crbug.com/917379 media/video-layer-crash.html [ Pass Failure ]
 crbug.com/917379 virtual/gpu-rasterization/images/color-profile-background-image-cover.html [ Pass Failure ]
 crbug.com/917379 virtual/gpu-rasterization/images/color-profile-background-image-space.html [ Pass Failure ]