sk_sp for gpu.

include/core/SkXfermode.h

 /*
  * Copyright 2006 The Android Open Source Project
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef SkXfermode_DEFINED
 #define SkXfermode_DEFINED
 
@@ skipping 202 matching lines @@
         return IsOpaque(xfer.get(), opacityType);
     }
 
 #if SK_SUPPORT_GPU
     /** Used by the SkXfermodeImageFilter to blend two colors via a GrFragmentProcessor.
         The input to the returned FP is the src color. The dst color is
         provided by the dst param which becomes a child FP of the returned FP. 
         It is legal for the function to return a null output. This indicates that
         the output of the blend is simply the src color.
      */
-    virtual const GrFragmentProcessor* getFragmentProcessorForImageFilter(
-                                                            const GrFragmentProcessor* dst) const;
+    virtual sk_sp<GrFragmentProcessor> makeFragmentProcessorForImageFilter(
+                                                            sk_sp<GrFragmentProcessor> dst) const;
 
     /** A subclass must implement this factory function to work with the GPU backend. 
         The xfermode will return a factory for which the caller will get a ref. It is up 
         to the caller to install it. XferProcessors cannot use a background texture.
       */
-    virtual GrXPFactory* asXPFactory() const;
+    virtual sk_sp<GrXPFactory> asXPFactory() const;
 #endif
 
     SK_TO_STRING_PUREVIRT()
     SK_DECLARE_FLATTENABLE_REGISTRAR_GROUP()
     SK_DEFINE_FLATTENABLE_TYPE(SkXfermode)
 
     enum D32Flags {
         kSrcIsOpaque_D32Flag  = 1 << 0,
         kSrcIsSingle_D32Flag  = 1 << 1,
         kDstIsSRGB_D32Flag    = 1 << 2,
@@ skipping 43 matching lines @@
 
 private:
     enum {
         kModeCount = kLastMode + 1
     };
 
     typedef SkFlattenable INHERITED;
 };
 
 #endif