Gamma-correctness pushed into Skia, top-down.

src/gpu/GrLayerHoister.cpp

Index: src/gpu/GrLayerHoister.cpp
diff --git a/src/gpu/GrLayerHoister.cpp b/src/gpu/GrLayerHoister.cpp
index 80ea3cdc50270ad4682cc34895a4bb36b499a8c2..dd8a48547ac0c311e9d097e5f0531fbc59a459a4 100644
--- a/src/gpu/GrLayerHoister.cpp
+++ b/src/gpu/GrLayerHoister.cpp
@@ -306,7 +306,8 @@ void GrLayerHoister::FilterLayer(GrContext* context,
     const SkIRect subset = SkIRect::MakeWH(layer->texture()->width(), layer->texture()->height());
     sk_sp<SkSpecialImage> img(SkSpecialImage::MakeFromGpu(&proxy, subset,
                                                           kNeedNewImageUniqueID_SpecialImage,
-                                                          layer->texture()));
+                                                          layer->texture(),
+                                                          &device->surfaceProps()));
 
     SkIPoint offset = SkIPoint::Make(0, 0);
     sk_sp<SkSpecialImage> result(layer->filter()->filterImage(img.get(),