Update from https://crrev.com/305340

cc/trees/layer_tree_host_pixeltest_masks.cc

Index: cc/trees/layer_tree_host_pixeltest_masks.cc
diff --git a/cc/trees/layer_tree_host_pixeltest_masks.cc b/cc/trees/layer_tree_host_pixeltest_masks.cc
index 4d0717d4a59c3b5594508aeb139c73576501a4ac..c49491493765143d76611975b1c83e8b4849ef1d 100644
--- a/cc/trees/layer_tree_host_pixeltest_masks.cc
+++ b/cc/trees/layer_tree_host_pixeltest_masks.cc
@@ -51,6 +51,9 @@ class MaskContentLayerClient : public ContentLayerClient {
   gfx::Size bounds_;
 };
 
+// TODO(enne): these time out on Windows.  http://crbug.com/435632
+#if !defined(OS_WIN)
+
 TEST_P(LayerTreeHostMasksPixelTest, MaskOfLayer) {
   scoped_refptr<SolidColorLayer> background = CreateSolidColorLayer(
       gfx::Rect(200, 200), SK_ColorWHITE);
@@ -272,6 +275,8 @@ TEST_P(LayerTreeHostMasksPixelTest, MaskOfReplicaOfClippedLayer) {
                            "mask_of_replica_of_clipped_layer.png")));
 }
 
+#endif  // !defined(OS_WIN)
+
 }  // namespace
 }  // namespace cc