src/gpu: s/SkAutoTUnref/sk_sp/g

GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=4527

Change-Id: I23f0548f98e7c355da05e143e8baa330d4bc04cc
Reviewed-on: https://skia-review.googlesource.com/4527
Reviewed-by: Ben Wagner <bungeman@google.com>
Commit-Queue: Hal Canary <halcanary@google.com>
diff --git a/src/gpu/batches/GrDrawPathBatch.h b/src/gpu/batches/GrDrawPathBatch.h
index 79b8b57..3a46f46 100644
--- a/src/gpu/batches/GrDrawPathBatch.h
+++ b/src/gpu/batches/GrDrawPathBatch.h
@@ -184,8 +184,8 @@
             fY = y;
         }
 
-        SkAutoTUnref<const InstanceData>    fInstanceData;
-        SkScalar                            fX, fY;
+        sk_sp<const InstanceData> fInstanceData;
+        SkScalar                  fX, fY;
     };
 
     typedef GrPendingIOResource<const GrPathRange, kRead_GrIOType> PendingPathRange;