| 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 2a054c09b409a6553fe538e4f19a03e834185ab1..da39cb9de1accae236afe2aeab92d8840baf002a 100644 | 
| --- a/content/test/gpu/gpu_tests/pixel_expectations.py | 
| +++ b/content/test/gpu/gpu_tests/pixel_expectations.py | 
| @@ -30,3 +30,6 @@ class PixelExpectations(GpuTestExpectations): | 
| # TODO(erikchen) check / generate reference images. | 
| self.Fail('Pixel.CSSFilterEffects', ['mac'], bug=581526) | 
| self.Fail('Pixel.CSSFilterEffects.NoOverlays', ['mac'], bug=581526) | 
| + | 
| +    # TODO(xidachen) check / generate reference images | 
| +    self.Fail('Pixel.OffscreenCanvasWebGLGreenBox', bug=563852) | 
|  |