Make GrFragmentProcessor be non-refcounted and use std::unique_ptr.

Change-Id: I985e54a071338e99292a5aa2f42c92bc115b4008
Reviewed-on: https://skia-review.googlesource.com/32760
Commit-Queue: Brian Salomon <bsalomon@google.com>
Reviewed-by: Brian Osman <brianosman@google.com>
diff --git a/src/gpu/GrTextureMaker.cpp b/src/gpu/GrTextureMaker.cpp
index 2962ddb..7e257d8 100644
--- a/src/gpu/GrTextureMaker.cpp
+++ b/src/gpu/GrTextureMaker.cpp
@@ -76,14 +76,13 @@
     return result;
 }
 
-sk_sp<GrFragmentProcessor> GrTextureMaker::createFragmentProcessor(
-                                        const SkMatrix& textureMatrix,
-                                        const SkRect& constraintRect,
-                                        FilterConstraint filterConstraint,
-                                        bool coordsLimitedToConstraintRect,
-                                        const GrSamplerParams::FilterMode* filterOrNullForBicubic,
-                                        SkColorSpace* dstColorSpace) {
-
+std::unique_ptr<GrFragmentProcessor> GrTextureMaker::createFragmentProcessor(
+        const SkMatrix& textureMatrix,
+        const SkRect& constraintRect,
+        FilterConstraint filterConstraint,
+        bool coordsLimitedToConstraintRect,
+        const GrSamplerParams::FilterMode* filterOrNullForBicubic,
+        SkColorSpace* dstColorSpace) {
     const GrSamplerParams::FilterMode* fmForDetermineDomain = filterOrNullForBicubic;
     if (filterOrNullForBicubic && GrSamplerParams::kMipMap_FilterMode == *filterOrNullForBicubic &&
         kYes_FilterConstraint == filterConstraint) {