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/gm/convexpolyeffect.cpp b/gm/convexpolyeffect.cpp
index 414acaa..dcde104 100644
--- a/gm/convexpolyeffect.cpp
+++ b/gm/convexpolyeffect.cpp
@@ -191,7 +191,7 @@
                 path->transform(m, &p);
 
                 GrPrimitiveEdgeType edgeType = (GrPrimitiveEdgeType) et;
-                sk_sp<GrFragmentProcessor> fp(GrConvexPolyEffect::Make(edgeType, p));
+                std::unique_ptr<GrFragmentProcessor> fp(GrConvexPolyEffect::Make(edgeType, p));
                 if (!fp) {
                     continue;
                 }
@@ -231,7 +231,7 @@
                 SkRect rect = *iter.get();
                 rect.offset(x, y);
                 GrPrimitiveEdgeType edgeType = (GrPrimitiveEdgeType) et;
-                sk_sp<GrFragmentProcessor> fp(GrConvexPolyEffect::Make(edgeType, rect));
+                std::unique_ptr<GrFragmentProcessor> fp(GrConvexPolyEffect::Make(edgeType, rect));
                 if (!fp) {
                     continue;
                 }