sk_sp for gpu.

src/core/SkLocalMatrixShader.h

Index: src/core/SkLocalMatrixShader.h
diff --git a/src/core/SkLocalMatrixShader.h b/src/core/SkLocalMatrixShader.h
index 3d590e43e60563d24924a75fc297c1bb01da1b8d..ea784190b4742737e422a7eb4e057bfb09172e15 100644
--- a/src/core/SkLocalMatrixShader.h
+++ b/src/core/SkLocalMatrixShader.h
@@ -12,6 +12,8 @@
 #include "SkReadBuffer.h"
 #include "SkWriteBuffer.h"
 
+class GrFragmentProcessor;
+
 class SkLocalMatrixShader : public SkShader {
 public:
     SkLocalMatrixShader(SkShader* proxy, const SkMatrix& localMatrix)
@@ -24,16 +26,10 @@ public:
     }
 
 #if SK_SUPPORT_GPU
-    const GrFragmentProcessor* asFragmentProcessor(
+    sk_sp<GrFragmentProcessor> asFragmentProcessor(
                                             GrContext* context, const SkMatrix& viewM,
                                             const SkMatrix* localMatrix, SkFilterQuality fq,
-                                            SkSourceGammaTreatment gammaTreatment) const override {
-        SkMatrix tmp = this->getLocalMatrix();
-        if (localMatrix) {
-            tmp.preConcat(*localMatrix);
-        }
-        return fProxyShader->asFragmentProcessor(context, viewM, &tmp, fq, gammaTreatment);
-    }
+                                            SkSourceGammaTreatment gammaTreatment) const override;
 #endif
 
     SkShader* refAsALocalMatrixShader(SkMatrix* localMatrix) const override {