switch surface to sk_sp

samplecode/SampleAtlas.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 "SampleCode.h"
 #include "SkAnimTimer.h"
 #include "SkView.h"
@@ skipping 23 matching lines @@
         canvas->save();
         canvas->concat(matrix);
         canvas->drawImageRect(atlas, tex[i], tex[i].makeOffset(-tex[i].x(), -tex[i].y()), paint,
                               SkCanvas::kFast_SrcRectConstraint);
         canvas->restore();
     }
 }
 
 static sk_sp<SkImage> make_atlas(int atlasSize, int cellSize) {
     SkImageInfo info = SkImageInfo::MakeN32Premul(atlasSize, atlasSize);
-    SkAutoTUnref<SkSurface> surface(SkSurface::NewRaster(info));
+    auto surface(SkSurface::MakeRaster(info));
     SkCanvas* canvas = surface->getCanvas();
 
     SkPaint paint;
     paint.setAntiAlias(true);
     SkRandom rand;
 
     const SkScalar half = cellSize * SK_ScalarHalf;
     const char* s = "01234567890!@#$%^&*=+<>?abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ";
     paint.setTextSize(28);
     paint.setTextAlign(SkPaint::kCenter_Align);
@@ skipping 190 matching lines @@
 #endif
 
 private:
     typedef SampleView INHERITED;
 };
 
 //////////////////////////////////////////////////////////////////////////////
 
 DEF_SAMPLE( return new DrawAtlasView("DrawAtlas", draw_atlas); )
 DEF_SAMPLE( return new DrawAtlasView("DrawAtlasSim", draw_atlas_sim); )