Switch SkSpecialImage & SkSpecialSurface classes over to smart pointers

src/core/SkDevice.cpp

 /*
  * Copyright 2011 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "SkColorFilter.h"
 #include "SkDevice.h"
 #include "SkDraw.h"
@@ skipping 398 matching lines @@
     SkImageFilter* filter = paint.getImageFilter();
     if (filter && !this->canHandleImageFilter(filter)) {
         SkImageFilter::DeviceProxy proxy(this);
         SkIPoint offset = SkIPoint::Make(0, 0);
         SkMatrix matrix = *draw.fMatrix;
         matrix.postTranslate(SkIntToScalar(-x), SkIntToScalar(-y));
         const SkIRect clipBounds = draw.fClip->getBounds().makeOffset(-x, -y);
         SkAutoTUnref<SkImageFilter::Cache> cache(this->getImageFilterCache());
         SkImageFilter::Context ctx(matrix, clipBounds, cache.get());
 
-        SkAutoTUnref<SkSpecialImage> srcImg(SkSpecialImage::internal_fromBM(&proxy, bitmap));
+        sk_sp<SkSpecialImage> srcImg(SkSpecialImage::internal_fromBM(&proxy, bitmap));
         if (!srcImg) {
             return; // something disastrous happened
         }
 
-        SkAutoTUnref<SkSpecialImage> resultImg(filter->filterImage(srcImg, ctx, &offset));
+        SkAutoTUnref<SkSpecialImage> resultImg(filter->filterImage(srcImg.get(), ctx, &offset));
         if (resultImg) {
             SkPaint tmpUnfiltered(paint);
             tmpUnfiltered.setImageFilter(nullptr);
             SkBitmap resultBM;
             if (resultImg->internal_getBM(&resultBM)) {
                 // TODO: add drawSprite(SkSpecialImage) to SkDevice? (see skbug.com/5073)
                 this->drawSprite(draw, resultBM, x + offset.x(), y + offset.y(), tmpUnfiltered);
             }
         }
     } else {
@@ skipping 11 matching lines @@
     if (kUnknown_SkPixelGeometry == fSurfaceProps.pixelGeometry()
         || this->onShouldDisableLCD(paint)) {
 
         flags &= ~SkPaint::kLCDRenderText_Flag;
         flags |= SkPaint::kGenA8FromLCD_Flag;
     }
 
     return flags;
 }