Update SkImageSource to sk_sp

gm/tileimagefilter.cpp

 /*
  * Copyright 2013 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "sk_tool_utils.h"
 #include "SkColorFilterImageFilter.h"
 #include "SkColorMatrixFilter.h"
@@ skipping 38 matching lines @@
         canvas->clear(SK_ColorBLACK);
         SkPaint red;
         red.setColor(SK_ColorRED);
         red.setStyle(SkPaint::kStroke_Style);
         SkPaint blue;
         blue.setColor(SK_ColorBLUE);
         blue.setStyle(SkPaint::kStroke_Style);
 
         int x = 0, y = 0;
         for (size_t i = 0; i < 4; i++) {
-            SkImage* image = (i & 0x01) ? fCheckerboard.get() : fBitmap.get();
+            sk_sp<SkImage> image = (i & 0x01) ? fCheckerboard : fBitmap;
             SkRect srcRect = SkRect::MakeXYWH(SkIntToScalar(image->width()/4),
                                               SkIntToScalar(image->height()/4),
                                               SkIntToScalar(image->width()/(i+1)),
                                               SkIntToScalar(image->height()/(i+1)));
             SkRect dstRect = SkRect::MakeXYWH(SkIntToScalar(i * 8),
                                               SkIntToScalar(i * 4),
                                               SkIntToScalar(image->width() - i * 12),
                                               SkIntToScalar(image->height()) - i * 12);
-            SkAutoTUnref<SkImageFilter> tileInput(SkImageSource::Create(image));
-            SkAutoTUnref<SkImageFilter> filter(
-                SkTileImageFilter::Create(srcRect, dstRect, tileInput));
+            sk_sp<SkImageFilter> tileInput(SkImageSource::Make(image));
+            sk_sp<SkImageFilter> filter(SkTileImageFilter::Create(srcRect, dstRect, tileInput.get()));
             canvas->save();
             canvas->translate(SkIntToScalar(x), SkIntToScalar(y));
             SkPaint paint;
-            paint.setImageFilter(filter);
+            paint.setImageFilter(std::move(filter));
             canvas->drawImage(fBitmap.get(), 0, 0, &paint);
             canvas->drawRect(srcRect, red);
             canvas->drawRect(dstRect, blue);
             canvas->restore();
             x += image->width() + MARGIN;
             if (x + image->width() > WIDTH) {
                 x = 0;
                 y += image->height() + MARGIN;
             }
         }
@@ skipping 26 matching lines @@
 private:
     sk_sp<SkImage> fBitmap, fCheckerboard;
 
     typedef GM INHERITED;
 };
 
 //////////////////////////////////////////////////////////////////////////////
 
 DEF_GM(return new TileImageFilterGM;)
 }