Remove pixel test suppressions now that they've been rebaselined

content/test/gpu/gpu_tests/pixel_expectations.py

Index: content/test/gpu/gpu_tests/pixel_expectations.py
diff --git a/content/test/gpu/gpu_tests/pixel_expectations.py b/content/test/gpu/gpu_tests/pixel_expectations.py
index f5e9a844ba33fe8bb02c9140ee851495857a2380..328a2e6799e621b6dd571c160c2ec5aa529cb066 100644
--- a/content/test/gpu/gpu_tests/pixel_expectations.py
+++ b/content/test/gpu/gpu_tests/pixel_expectations.py
@@ -12,10 +12,6 @@ class PixelExpectations(GpuTestExpectations):
     # self.Fail('Pixel_Canvas2DRedBox',
     #     ['mac', 'amd', ('nvidia', 0x1234)], bug=123)
 
-    # TODO(robertphillips) remove once rebaselines are complete
-    self.Fail('Pixel_CSSFilterEffects', bug=672527)
-    self.Fail('Pixel_CSSFilterEffects_NoOverlays', bug=672527)
-
     # Software compositing is not supported on Android; so we skip these tests
     # that disables gpu compositing on Android platforms.
     self.Skip('Pixel_OffscreenCanvasUnaccelerated2D', ['android'])