Update SkImageSource to sk_sp

gm/offsetimagefilter.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 "SkImage.h"
 #include "SkImageSource.h"
@@ skipping 29 matching lines @@
                                                       sk_tool_utils::color_to_565(0xFFA0A0A0),
                                                       sk_tool_utils::color_to_565(0xFF404040),
                                                       8));
     }
 
     void onDraw(SkCanvas* canvas) override {
         canvas->clear(SK_ColorBLACK);
         SkPaint paint;
 
         for (int i = 0; i < 4; i++) {
-            SkImage* image = (i & 0x01) ? fCheckerboard.get() : fBitmap.get();
+            sk_sp<SkImage> image = (i & 0x01) ? fCheckerboard : fBitmap;
             SkIRect cropRect = SkIRect::MakeXYWH(i * 12,
                                                  i * 8,
                                                  image->width() - i * 8,
                                                  image->height() - i * 12);
             SkImageFilter::CropRect rect(SkRect::Make(cropRect));
-            SkAutoTUnref<SkImageFilter> tileInput(SkImageSource::Create(image));
+            sk_sp<SkImageFilter> tileInput(SkImageSource::Make(image));
             SkScalar dx = SkIntToScalar(i*5);
             SkScalar dy = SkIntToScalar(i*10);
-            SkAutoTUnref<SkImageFilter> filter(SkOffsetImageFilter::Create(dx, dy, tileInput,
+            SkAutoTUnref<SkImageFilter> filter(SkOffsetImageFilter::Create(dx, dy, tileInput.get(),
                                                                            &rect));
             paint.setImageFilter(filter);
-            DrawClippedImage(canvas, image, paint, 1, cropRect);
+            DrawClippedImage(canvas, image.get(), paint, 1, cropRect);
             canvas->translate(SkIntToScalar(image->width() + MARGIN), 0);
         }
 
         SkIRect cropRect = SkIRect::MakeXYWH(0, 0, 100, 100);
         SkImageFilter::CropRect rect(SkRect::Make(cropRect));
         SkAutoTUnref<SkImageFilter> filter(SkOffsetImageFilter::Create(-5, -10, nullptr, &rect));
         paint.setImageFilter(filter);
         DrawClippedImage(canvas, fBitmap.get(), paint, 2, cropRect);
     }
 private:
@@ skipping 125 matching lines @@
 
         // crop==clip==dst
         canvas->translate(100, 0);
         this->doDraw(canvas, r, SkOffsetImageFilter::Create(40, 0, nullptr, &cr2), &r2);
     }
 
 private:
     typedef skiagm::GM INHERITED;
 };
 DEF_GM( return new SimpleOffsetImageFilterGM; )