Regenerate Mac baselines for some css3/filters/ tests

Bug: 658305
Change-Id: Ie7435fef04045b3d3c789584811eec128553db7c
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2056728
Commit-Queue: Fredrik Söderquist <fs@opera.com>
Commit-Queue: Stephen Chenney <schenney@chromium.org>
Auto-Submit: Fredrik Söderquist <fs@opera.com>
Reviewed-by: Stephen Chenney <schenney@chromium.org>
Cr-Commit-Position: refs/heads/master@{#741477}

third_party/blink/web_tests/TestExpectations

@@ -2224,14 +2224,8 @@ crbug.com/636239 [ Win7 ] virtual/audio-service/media/video-zoom-controls.html [
 
 crbug.com/377696 printing/setPrinting.html [ Failure ]
 
-crbug.com/658305 [ Mac ] css3/filters/buffer-offset.html [ Failure Pass ]
-crbug.com/658305 [ Mac ] css3/filters/effect-reference-external.html [ Failure Pass ]
 crbug.com/658305 css3/filters/effect-reference-image.html [ Pass Failure ]
 crbug.com/658305 css3/filters/effect-reference-image-lazy-attach.html [ Pass Failure ]
-crbug.com/658305 [ Mac ] css3/filters/effect-reference-subregion-chained.html [ Failure Pass ]
-crbug.com/658305 [ Mac ] css3/filters/effect-reference-subregion-colormatrix.html [ Failure Pass ]
-crbug.com/658305 [ Mac ] css3/filters/effect-reference-tile.html [ Failure Pass ]
-crbug.com/658305 [ Mac ] css3/filters/effect-reference-tile-hw.html [ Failure Pass ]
 
 crbug.com/524160 [ Debug ] http/tests/media/media-source/stream_memory_tests/mediasource-appendbuffer-quota-exceeded-default-buffers.html [ Timeout ]
 crbug.com/524160 [ Debug ] virtual/audio-service/http/tests/media/media-source/stream_memory_tests/mediasource-appendbuffer-quota-exceeded-default-buffers.html [ Timeout ]