sk_sp for gpu.

src/gpu/effects/GrDitherEffect.h

Index: src/gpu/effects/GrDitherEffect.h
diff --git a/src/gpu/effects/GrDitherEffect.h b/src/gpu/effects/GrDitherEffect.h
index 64c85f7bf4ff790f06299c8d72a720543f61bbd5..1c30d31c8f1bbfe6576ca2290b1a02c3d3af8565 100644
--- a/src/gpu/effects/GrDitherEffect.h
+++ b/src/gpu/effects/GrDitherEffect.h
@@ -8,6 +8,7 @@
 #ifndef GrDitherEffect_DEFINED
 #define GrDitherEffect_DEFINED
 
+#include "SkRefCnt.h"
 #include "GrTypes.h"
 #include "GrTypesPriv.h"
 
@@ -17,7 +18,7 @@ namespace GrDitherEffect {
     /**
      * Creates an effect that dithers the resulting color to an RGBA8 framebuffer
      */
-    GrFragmentProcessor* Create();
+    sk_sp<GrFragmentProcessor> Make();
 };
 
 #endif