Base SkAutoTUnref on skstd::unique_ptr.

tools/CopyTilesRenderer.cpp

 /*
  * Copyright 2012 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "picture_utils.h"
 #include "CopyTilesRenderer.h"
 #include "SkCanvas.h"
@@ skipping 17 matching lines @@
     , fYTilesPerLargeTile(y) { }
 #endif
     void CopyTilesRenderer::init(const SkPicture* pict, const SkString* writePath,
                                  const SkString* mismatchPath, const SkString* inputFilename,
                                  bool useChecksumBasedFilenames, bool useMultiPictureDraw) {
         // Do not call INHERITED::init(), which would create a (potentially large) canvas which is
         // not used by bench_pictures.
         SkASSERT(pict != nullptr);
         // Only work with absolute widths (as opposed to percentages).
         SkASSERT(this->getTileWidth() != 0 && this->getTileHeight() != 0);
-        fPicture.reset(pict)->ref();
+        fPicture.reset(SkRef(pict));
         this->CopyString(&fWritePath, writePath);
         this->CopyString(&fMismatchPath, mismatchPath);
         this->CopyString(&fInputFilename, inputFilename);
         fUseChecksumBasedFilenames = useChecksumBasedFilenames;
         fUseMultiPictureDraw = useMultiPictureDraw;
         this->buildBBoxHierarchy();
         // In order to avoid allocating a large canvas (particularly important for GPU), create one
         // canvas that is a multiple of the tile size, and draw portions of the picture.
         fLargeTileWidth = fXTilesPerLargeTile * this->getTileWidth();
         fLargeTileHeight = fYTilesPerLargeTile * this->getTileHeight();
@@ skipping 60 matching lines @@
                 }
             }
         }
         return success;
     }
 
     SkString CopyTilesRenderer::getConfigNameInternal() {
         return SkString("copy_tiles");
     }
 }