Convert SkAutoTUnref<SkData> to sk_sp<SkData>.

fuzz/Fuzz.h

 /*
  * Copyright 2016 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef Fuzz_DEFINED
 #define Fuzz_DEFINED
 
@@ skipping 29 matching lines @@
      */
     float    nextRangeF(float    min, float    max);
 
     void signalBug   ();  // Tell afl-fuzz these inputs found a bug.
     void signalBoring();  // Tell afl-fuzz these inputs are not worth testing.
 
 private:
     template <typename T>
     T nextT();
 
-    SkAutoTUnref<SkData> fBytes;
+    sk_sp<SkData> fBytes;
     int fNextByte;
 };
 
 template <typename T>
 bool Fuzz::next(T* n) {
     if (fNextByte + sizeof(T) > fBytes->size()) {
         return false;
     }
 
     memcpy(n, fBytes->bytes() + fNextByte, sizeof(T));
     fNextByte += sizeof(T);
     return true;
 }
 
 struct Fuzzable {
     const char* name;
     void (*fn)(Fuzz*);
 };
 
 #define DEF_FUZZ(name, f)                                        \
     static void fuzz_##name(Fuzz*);                              \
     SkTRegistry<Fuzzable> register_##name({#name, fuzz_##name}); \
     static void fuzz_##name(Fuzz* f)
 
 #endif//Fuzz_DEFINED