Remove suppression for css filter test

Bug: 915735
Change-Id: Ie574420c2c6bda5da5cc3ba531e2ca3cdcae6b56
Reviewed-on: https://chromium-review.googlesource.com/c/1391305
Commit-Queue: Michael Ludwig <michaelludwig@google.com>
Reviewed-by: Kenneth Russell <kbr@chromium.org>
Cr-Commit-Position: refs/heads/master@{#619517}

content/test/gpu/gpu_tests/pixel_expectations.py

@@ -49,16 +49,11 @@ class PixelExpectations(GpuTestExpectations):
     # TODO(vmiura) check / generate reference images for Android devices
     self.Fail('Pixel_SolidColorBackground', ['mac', 'android'], bug=624256)
 
-    # TODO(michaelludwig): restore after Skia roll (see below)
-    #self.Fail('Pixel_CSSFilterEffects', ['mac', ('nvidia', 0xfe9)], bug=690277)
+    self.Fail('Pixel_CSSFilterEffects', ['mac', ('nvidia', 0xfe9)], bug=690277)
 
     # Became flaky on 10.13.6. When it flakes, it flakes 3 times, so
     # mark failing, unfortunately.
-    # TODO(michaelludwig): restore after Skia roll (see below)
-    #self.Fail('Pixel_CSSFilterEffects', ['highsierra', 'amd'], bug=872423)
-
-    # TODO(michaelludwig): remove after Skia roll
-    self.Fail('Pixel_CSSFilterEffects', bug=915735)
+    self.Fail('Pixel_CSSFilterEffects', ['highsierra', 'amd'], bug=872423)
 
     # TODO(kbr): flakily timing out on this configuration.
     self.Flaky('*', ['linux', 'intel', 'debug'], bug=648369)