Convert SkAutoTUnref<SkData> to sk_sp<SkData>.

tests/CodecTest.cpp

 /*
  * Copyright 2015 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "Resources.h"
 #include "SkAndroidCodec.h"
 #include "SkBitmap.h"
@@ skipping 805 matching lines @@
         }
 
     private:
         skiatest::Reporter* fReporter;  // Unowned
         bool fSeen[3];
     };
 
     ChunkReader chunkReader(r);
 
     // Now read the file with SkCodec.
-    SkAutoTUnref<SkData> data(wStream.copyToData());
-    SkAutoTDelete<SkCodec> codec(SkCodec::NewFromData(data, &chunkReader));
+    sk_sp<SkData> data(wStream.copyToData());
+    SkAutoTDelete<SkCodec> codec(SkCodec::NewFromData(data.get(), &chunkReader));
     REPORTER_ASSERT(r, codec);
     if (!codec) {
         return;
     }
 
     // Now compare to the original.
     SkBitmap decodedBm;
     decodedBm.setInfo(codec->getInfo());
     decodedBm.allocPixels();
     SkCodec::Result result = codec->getPixels(codec->getInfo(), decodedBm.getPixels(),
@@ skipping 197 matching lines @@
     // Perform a sampled decode.
     SkAndroidCodec::AndroidOptions opts;
     opts.fSampleSize = 12;
     codec->getAndroidPixels(codec->getInfo().makeWH(width / 12, height / 12), pixelStorage.get(),
                             rowBytes, &opts);
 
     // Rewind the codec and perform a full image decode.
     SkCodec::Result result = codec->getPixels(codec->getInfo(), pixelStorage.get(), rowBytes);
     REPORTER_ASSERT(r, SkCodec::kSuccess == result);
 }