move setshader to sk_sp

src/core/SkLightingShader.h

Index: src/core/SkLightingShader.h
diff --git a/src/core/SkLightingShader.h b/src/core/SkLightingShader.h
index e918f3b05f71fc00d844b3a9a777127756c0c2a8..30ce6559c51691d2991b3fb444d4de8600e768e0 100644
--- a/src/core/SkLightingShader.h
+++ b/src/core/SkLightingShader.h
@@ -1,4 +1,3 @@
-
 /*
  * Copyright 2015 Google Inc.
  *
@@ -6,7 +5,6 @@
  * found in the LICENSE file.
  */
 
-
 #ifndef SkLightingShader_DEFINED
 #define SkLightingShader_DEFINED
 
@@ -90,9 +88,9 @@ public:
         The +Z axis is thus encoded in RGB as (127, 127, 255) while the -Z axis is
         (127, 127, 0).
     */
-    static SkShader* Create(const SkBitmap& diffuse, const SkBitmap& normal,
-                            const Lights* lights, const SkVector& invNormRotation,
-                            const SkMatrix* diffLocalMatrix, const SkMatrix* normLocalMatrix);
+    static sk_sp<SkShader> Make(const SkBitmap& diffuse, const SkBitmap& normal,
+                                const Lights* lights, const SkVector& invNormRotation,
+                                const SkMatrix* diffLocalMatrix, const SkMatrix* normLocalMatrix);
 
     SK_DECLARE_FLATTENABLE_REGISTRAR_GROUP()
 };