Layout test suppression for Skia roll

Bug: 630695
Change-Id: I48bb3df0f0a8fb5bcc0fbc2e0ac4a4e1bb90d66e
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1808384
Commit-Queue: Florin Malita <fmalita@chromium.org>
Reviewed-by: Florin Malita <fmalita@chromium.org>
Cr-Commit-Position: refs/heads/master@{#697251}

third_party/blink/web_tests/TestExpectations

@@ -6208,3 +6208,8 @@ crbug.com/731018 [ Mac10.13 Debug ] external/wpt/accelerometer/Accelerometer.htt
 crbug.com/731018 [ Mac10.13 Debug ] external/wpt/gyroscope/Gyroscope.https.html [ Pass Failure ]
 crbug.com/731018 [ Mac10.13 Debug ] external/wpt/orientation-sensor/AbsoluteOrientationSensor.https.html [ Pass Failure ]
 crbug.com/731018 [ Mac10.13 Debug ] external/wpt/orientation-sensor/RelativeOrientationSensor.https.html [ Pass Failure ]
+
+# TODO (csmartdalton): Remove after Skia roll and rebaseline
+crbug.com/630695 css3/filters/effect-blur-hw.html [ Pass Failure ]
+crbug.com/630695 css3/filters/effect-drop-shadow-hw.html [ Pass Failure ]
+crbug.com/630695 virtual/scalefactor200/css3/filters/effect-drop-shadow-hw.html [ Pass Failure ]