Remove failed entries and skip Android tests for gpu pixel expectations

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 0f7c774dd65ed57d9928f2a76dbf66b3491baac2..2f15bfb4fe9101d4cb2d12787c8f6178acced4e4 100644
--- a/content/test/gpu/gpu_tests/pixel_expectations.py
+++ b/content/test/gpu/gpu_tests/pixel_expectations.py
@@ -12,6 +12,11 @@ class PixelExpectations(GpuTestExpectations):
     # self.Fail('Pixel_Canvas2DRedBox',
     #     ['mac', 'amd', ('nvidia', 0x1234)], bug=123)
 
+    # Software compositing is not supported on Android; so we skip these tests
+    # that disables gpu compositing on Android platforms.
+    self.Skip('Pixel_OffscreenCanvasUnaccelerated2D', ['android'])
+    self.Skip('Pixel_OffscreenCanvasUnaccelerated2DWorker', ['android'])
+
     self.Fail('Pixel_ScissorTestWithPreserveDrawingBuffer',
         ['android'], bug=521588)
 
@@ -31,9 +36,6 @@ class PixelExpectations(GpuTestExpectations):
     self.Fail('Pixel_CSSFilterEffects', ['mac'], bug=581526)
     self.Fail('Pixel_CSSFilterEffects_NoOverlays', ['mac'], bug=581526)
 
-    # TODO(xlai) check / generate reference images.
-    self.Fail('Pixel_OffscreenCanvasUnaccelerated2D', bug=563852)
-    self.Fail('Pixel_OffscreenCanvasUnaccelerated2DWorker', bug=563858)
     self.Fail('Pixel_OffscreenCanvasUnaccelerated2DGPUCompositingWorker',
               ['mac', ('nvidia', 0xfe9)], bug=652931)