Rebaseline for GPU dither fixes

Bug: 1087413
Change-Id: If59a27697f3e2b3aa0049c56f9e7f28bad6e9437
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2220877
Auto-Submit: Michael Ludwig <michaelludwig@google.com>
Reviewed-by: Jonathan Ross <jonross@chromium.org>
Commit-Queue: Jonathan Ross <jonross@chromium.org>
Cr-Commit-Position: refs/heads/master@{#774246}

third_party/blink/web_tests/FlagExpectations/enable-features=UseSkiaRenderer

@@ -3,6 +3,9 @@
 # tags: [ Release Debug ]
 # results: [ Timeout Crash Pass Failure Slow Skip ]
 
+# Needs rebaseline, but images depend on multiple flags.
+crbug.com/1087413 css3/blending/background-blend-mode-gradient-gradient.html [ Failure Pass ]
+
 # One portion of the image is offset.
 crbug.com/1002522 fast/canvas/canvas-toDataURL-webp.html [ Skip ]
 

third_party/blink/web_tests/TestExpectations

@@ -5844,13 +5844,6 @@ crbug.com/1070747 external/wpt/webrtc-quic/* [ Skip ]
 # Stale revalidation shouldn't be blocked:
 crbug.com/1079188 external/wpt/fetch/stale-while-revalidate/revalidate-not-blocked-by-csp.html [ Timeout ]
 
-# TODO(michaelludwig) - Suppressed for Skia rebaseline
-crbug.com/1087413 virtual/gpu/fast/canvas/canvas-text-alignment.html [ Pass Failure ]
-crbug.com/1087413 virtual/gpu/fast/canvas/fillrect_gradient.html [ Pass Failure ]
-crbug.com/1087413 virtual/gpu-rasterization/images/cross-fade-overflow-position.html [ Pass Failure ]
-crbug.com/1087413 virtual/gpu/fast/canvas/gradient-add-second-start-end-stop.html [ Pass Failure ]
-crbug.com/1087413 css3/blending/background-blend-mode-gradient-gradient.html [ Pass Failure ]
-
 # Web Audio active processing tests
 crbug.com/1073247 external/wpt/webaudio/the-audio-api/the-audiobuffersourcenode-interface/active-processing.https.html [ Pass Failure Crash ]
 crbug.com/1073247 external/wpt/webaudio/the-audio-api/the-channelmergernode-interface/active-processing.https.html [ Pass Failure Crash ]