sk_sp for gpu.

src/gpu/effects/GrGammaEffect.h

 /*
  * Copyright 2016 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef GrGammaEffect_DEFINED
 #define GrGammaEffect_DEFINED
 
 #include "GrFragmentProcessor.h"
 
 class GrGammaEffect : public GrFragmentProcessor {
 public:
     enum class Mode {
         kLinearToSRGB,
         kSRGBToLinear,
         kExponential,
     };
 
     /**
     * Creates an effect that applies a gamma curve.
     */
-    static const GrFragmentProcessor* Create(SkScalar gamma);
+    static sk_sp<GrFragmentProcessor> Make(SkScalar gamma);
 
     const char* name() const override { return "Gamma"; }
 
     Mode mode() const { return fMode; }
     SkScalar gamma() const { return fGamma; }
 
 private:
     GrGammaEffect(Mode mode, SkScalar gamma);
 
     GrGLSLFragmentProcessor* onCreateGLSLInstance() const override;
     void onGetGLSLProcessorKey(const GrGLSLCaps&, GrProcessorKeyBuilder*) const override;
     bool onIsEqual(const GrFragmentProcessor&) const override;
     void onComputeInvariantOutput(GrInvariantOutput* inout) const override;
 
     Mode fMode;
     SkScalar fGamma;
 
     GR_DECLARE_FRAGMENT_PROCESSOR_TEST;
 
     typedef GrFragmentProcessor INHERITED;
 };
 
 #endif