Switch SkSpecialImage & SkSpecialSurface classes over to smart pointers

GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1812023002

Review URL: https://codereview.chromium.org/1812023002
diff --git a/src/core/SkCanvas.cpp b/src/core/SkCanvas.cpp
index d60e0e9..3acb913 100644
--- a/src/core/SkCanvas.cpp
+++ b/src/core/SkCanvas.cpp
@@ -1407,12 +1407,13 @@
             SkAutoTUnref<SkImageFilter::Cache> cache(dstDev->getImageFilterCache());
             SkImageFilter::Context ctx(matrix, clipBounds, cache.get());
 
-            SkAutoTUnref<SkSpecialImage> srcImg(SkSpecialImage::internal_fromBM(&proxy, srcBM));
+            sk_sp<SkSpecialImage> srcImg(SkSpecialImage::internal_fromBM(&proxy, srcBM));
             if (!srcImg) {
                 continue; // 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);
diff --git a/src/core/SkDevice.cpp b/src/core/SkDevice.cpp
index aff1551..90be52b 100644
--- a/src/core/SkDevice.cpp
+++ b/src/core/SkDevice.cpp
@@ -416,12 +416,12 @@
         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);
diff --git a/src/core/SkImageFilter.cpp b/src/core/SkImageFilter.cpp
index 85f4e46..1a4c876 100644
--- a/src/core/SkImageFilter.cpp
+++ b/src/core/SkImageFilter.cpp
@@ -275,12 +275,12 @@
         return true;
     }
 
-    SkAutoTUnref<SkSpecialImage> specialSrc(SkSpecialImage::internal_fromBM(proxy, src));
+    sk_sp<SkSpecialImage> specialSrc(SkSpecialImage::internal_fromBM(proxy, src));
     if (!specialSrc) {
         return false;
     }
 
-    SkAutoTUnref<SkSpecialImage> tmp(input->onFilterImage(specialSrc,
+    SkAutoTUnref<SkSpecialImage> tmp(input->onFilterImage(specialSrc.get(),
                                                           this->mapContext(ctx),
                                                           offset));
     if (!tmp) {
@@ -367,7 +367,7 @@
         return nullptr;
     }
 
-    return SkSpecialImage::internal_fromBM(src->internal_getProxy(), resultBM);
+    return SkSpecialImage::internal_fromBM(src->internal_getProxy(), resultBM).release();
 }
 
 bool SkImageFilter::canFilterImageGPU() const {
@@ -484,11 +484,11 @@
 
 // Return a larger (newWidth x newHeight) copy of 'src' with black padding
 // around it.
-static SkSpecialImage* pad_image(SkSpecialImage* src,
-                                 int newWidth, int newHeight, int offX, int offY) {
+static sk_sp<SkSpecialImage> pad_image(SkSpecialImage* src,
+                                       int newWidth, int newHeight, int offX, int offY) {
 
     SkImageInfo info = SkImageInfo::MakeN32Premul(newWidth, newHeight);
-    SkAutoTUnref<SkSpecialSurface> surf(src->newSurface(info));
+    sk_sp<SkSpecialSurface> surf(src->makeSurface(info));
     if (!surf) {
         return nullptr;
     }
@@ -500,7 +500,7 @@
 
     src->draw(canvas, offX, offY, nullptr);
 
-    return surf->newImageSnapshot();
+    return surf->makeImageSnapshot();
 }
 
 SkSpecialImage* SkImageFilter::applyCropRect(const Context& ctx,
@@ -520,12 +520,12 @@
     if (srcBounds.contains(*bounds)) {
         return SkRef(src);
     } else {
-        SkSpecialImage* img = pad_image(src,
-                                        bounds->width(), bounds->height(),
-                                        srcOffset->x() - bounds->x(),
-                                        srcOffset->y() - bounds->y());
+        sk_sp<SkSpecialImage> img(pad_image(src,
+                                            bounds->width(), bounds->height(),
+                                            srcOffset->x() - bounds->x(),
+                                            srcOffset->y() - bounds->y()));
         *srcOffset = SkIPoint::Make(bounds->x(), bounds->y());
-        return img;
+        return img.release();
     }
 }
 
@@ -609,12 +609,12 @@
         return true;
     }
 
-    SkAutoTUnref<SkSpecialImage> specialSrc(SkSpecialImage::internal_fromBM(proxy, src));
+    sk_sp<SkSpecialImage> specialSrc(SkSpecialImage::internal_fromBM(proxy, src));
     if (!specialSrc) {
         return false;
     }
 
-    SkAutoTUnref<SkSpecialImage> tmp(input->onFilterImage(specialSrc,
+    SkAutoTUnref<SkSpecialImage> tmp(input->onFilterImage(specialSrc.get(),
                                                           this->mapContext(ctx),
                                                           offset));
     if (!tmp) {
diff --git a/src/core/SkSpecialImage.cpp b/src/core/SkSpecialImage.cpp
index b17d5d4..e90c655 100644
--- a/src/core/SkSpecialImage.cpp
+++ b/src/core/SkSpecialImage.cpp
@@ -29,9 +29,9 @@
     // Delete this entry point ASAP (see skbug.com/4965)
     virtual bool getBitmapDeprecated(SkBitmap* result) const = 0;
 
-    virtual SkSpecialSurface* onNewSurface(const SkImageInfo& info) const = 0;
+    virtual sk_sp<SkSpecialSurface> onMakeSurface(const SkImageInfo& info) const = 0;
 
-    virtual SkSpecialImage* onExtractSubset(const SkIRect& subset) const = 0;
+    virtual sk_sp<SkSpecialImage> onMakeSubset(const SkIRect& subset) const = 0;
 
 private:
     typedef SkSpecialImage INHERITED;
@@ -58,12 +58,12 @@
     return as_SIB(this)->testingOnlyOnGetROPixels(result);
 }
 
-SkSpecialSurface* SkSpecialImage::newSurface(const SkImageInfo& info) const {
-    return as_SIB(this)->onNewSurface(info);
+sk_sp<SkSpecialSurface> SkSpecialImage::makeSurface(const SkImageInfo& info) const {
+    return as_SIB(this)->onMakeSurface(info);
 }
 
-SkSpecialImage* SkSpecialImage::extractSubset(const SkIRect& subset) const {
-    return as_SIB(this)->onExtractSubset(subset);
+sk_sp<SkSpecialImage> SkSpecialImage::makeSubset(const SkIRect& subset) const {
+    return as_SIB(this)->onMakeSubset(subset);
 }
 
 #if SK_SUPPORT_GPU
@@ -71,17 +71,17 @@
 #include "SkGrPixelRef.h"
 #endif
 
-SkSpecialImage* SkSpecialImage::internal_fromBM(SkImageFilter::Proxy* proxy,
-                                                const SkBitmap& src) {
+sk_sp<SkSpecialImage> SkSpecialImage::internal_fromBM(SkImageFilter::Proxy* proxy,
+                                                       const SkBitmap& src) {
     // Need to test offset case! (see skbug.com/4967)
     if (src.getTexture()) {
-        return SkSpecialImage::NewFromGpu(proxy,
-                                          src.bounds(),
-                                          src.getGenerationID(),
-                                          src.getTexture());
+        return SkSpecialImage::MakeFromGpu(proxy,
+                                           src.bounds(),
+                                           src.getGenerationID(),
+                                           src.getTexture());
     }
 
-    return SkSpecialImage::NewFromRaster(proxy, src.bounds(), src);
+    return SkSpecialImage::MakeFromRaster(proxy, src.bounds(), src);
 }
 
 bool SkSpecialImage::internal_getBM(SkBitmap* result) {
@@ -103,13 +103,15 @@
 
 class SkSpecialImage_Image : public SkSpecialImage_Base {
 public:
-    SkSpecialImage_Image(SkImageFilter::Proxy* proxy, const SkIRect& subset, const SkImage* image)
+    SkSpecialImage_Image(SkImageFilter::Proxy* proxy,
+                         const SkIRect& subset,
+                         sk_sp<SkImage> image)
         : INHERITED(proxy, subset, image->uniqueID())
-        , fImage(SkRef(image)) {
+        , fImage(image) {
     }
 
     ~SkSpecialImage_Image() override { }
-
+    
     bool isOpaque() const override { return fImage->isOpaque(); }
 
     size_t getSize() const override {
@@ -130,7 +132,7 @@
     void onDraw(SkCanvas* canvas, SkScalar x, SkScalar y, const SkPaint* paint) const override {
         SkRect dst = SkRect::MakeXYWH(x, y, this->subset().width(), this->subset().height());
 
-        canvas->drawImageRect(fImage, this->subset(),
+        canvas->drawImageRect(fImage.get(), this->subset(),
                               dst, paint, SkCanvas::kStrict_SrcRectConstraint);
     }
 
@@ -162,32 +164,32 @@
         return fImage->asLegacyBitmap(result, SkImage::kRO_LegacyBitmapMode);
     }
 
-    SkSpecialSurface* onNewSurface(const SkImageInfo& info) const override {
+    sk_sp<SkSpecialSurface> onMakeSurface(const SkImageInfo& info) const override {
 #if SK_SUPPORT_GPU
         GrTexture* texture = as_IB(fImage.get())->peekTexture();
         if (texture) {
             GrSurfaceDesc desc = GrImageInfoToSurfaceDesc(info);
             desc.fFlags = kRenderTarget_GrSurfaceFlag;
 
-            return SkSpecialSurface::NewRenderTarget(this->proxy(), texture->getContext(), desc);
+            return SkSpecialSurface::MakeRenderTarget(this->proxy(), texture->getContext(), desc);
         }
 #endif
-        return SkSpecialSurface::NewRaster(this->proxy(), info, nullptr);
+        return SkSpecialSurface::MakeRaster(this->proxy(), info, nullptr);
     }
 
-    SkSpecialImage* onExtractSubset(const SkIRect& subset) const override {
-        SkAutoTUnref<SkImage> subsetImg(fImage->newSubset(subset));
+    sk_sp<SkSpecialImage> onMakeSubset(const SkIRect& subset) const override {
+        sk_sp<SkImage> subsetImg(fImage->makeSubset(subset));
         if (!subsetImg) {
             return nullptr;
         }
 
-        return SkSpecialImage::NewFromImage(this->internal_getProxy(),
-                                            SkIRect::MakeWH(subset.width(), subset.height()),
-                                            subsetImg);
+        return SkSpecialImage::MakeFromImage(this->internal_getProxy(),
+                                             SkIRect::MakeWH(subset.width(), subset.height()),
+                                             subsetImg);
     }
 
 private:
-    SkAutoTUnref<const SkImage> fImage;
+    sk_sp<SkImage> fImage;
 
     typedef SkSpecialImage_Base INHERITED;
 };
@@ -206,11 +208,12 @@
 }
 #endif
 
-SkSpecialImage* SkSpecialImage::NewFromImage(SkImageFilter::Proxy* proxy,
-                                             const SkIRect& subset,
-                                             const SkImage* image) {
+sk_sp<SkSpecialImage> SkSpecialImage::MakeFromImage(SkImageFilter::Proxy* proxy,
+                                                    const SkIRect& subset,
+                                                    sk_sp<SkImage> image) {
     SkASSERT(rect_fits(subset, image->width(), image->height()));
-    return new SkSpecialImage_Image(proxy, subset, image);
+
+    return sk_make_sp<SkSpecialImage_Image>(proxy, subset, image);
 }
 
 ///////////////////////////////////////////////////////////////////////////////
@@ -233,8 +236,8 @@
     SkSpecialImage_Raster(SkImageFilter::Proxy* proxy,
                           const SkIRect& subset,
                           const SkPixmap& pixmap,
-                          void (*releaseProc)(void* addr, void* context),
-                          void* context)
+                          RasterReleaseProc releaseProc,
+                          ReleaseContext context)
         : INHERITED(proxy, subset, kNeedNewImageUniqueID_SpecialImage) {
         fBitmap.installPixels(pixmap.info(), pixmap.writable_addr(),
                               pixmap.rowBytes(), pixmap.ctable(),
@@ -274,20 +277,20 @@
         return true;
     }
 
-    SkSpecialSurface* onNewSurface(const SkImageInfo& info) const override {
-        return SkSpecialSurface::NewRaster(this->proxy(), info, nullptr);
+    sk_sp<SkSpecialSurface> onMakeSurface(const SkImageInfo& info) const override {
+        return SkSpecialSurface::MakeRaster(this->proxy(), info, nullptr);
     }
 
-    SkSpecialImage* onExtractSubset(const SkIRect& subset) const override {
+    sk_sp<SkSpecialImage> onMakeSubset(const SkIRect& subset) const override {
         SkBitmap subsetBM;
         
         if (!fBitmap.extractSubset(&subsetBM, subset)) {
             return nullptr;
         }
 
-        return SkSpecialImage::NewFromRaster(this->internal_getProxy(),
-                                             SkIRect::MakeWH(subset.width(), subset.height()),
-                                             subsetBM);
+        return SkSpecialImage::MakeFromRaster(this->internal_getProxy(),
+                                              SkIRect::MakeWH(subset.width(), subset.height()),
+                                              subsetBM);
     }
 
 private:
@@ -296,20 +299,25 @@
     typedef SkSpecialImage_Base INHERITED;
 };
 
-SkSpecialImage* SkSpecialImage::NewFromRaster(SkImageFilter::Proxy* proxy,
-                                              const SkIRect& subset,
-                                              const SkBitmap& bm) {
+sk_sp<SkSpecialImage> SkSpecialImage::MakeFromRaster(SkImageFilter::Proxy* proxy,
+                                                     const SkIRect& subset,
+                                                     const SkBitmap& bm) {
     SkASSERT(nullptr == bm.getTexture());
     SkASSERT(rect_fits(subset, bm.width(), bm.height()));
-    return new SkSpecialImage_Raster(proxy, subset, bm);
+
+    return sk_make_sp<SkSpecialImage_Raster>(proxy, subset, bm);
 }
 
-SkSpecialImage* SkSpecialImage::NewFromPixmap(SkImageFilter::Proxy* proxy,
-                                              const SkIRect& subset,
-                                              const SkPixmap& src,
-                                              void (*releaseProc)(void* addr, void* context),
-                                              void* context) {
-    return new SkSpecialImage_Raster(proxy, subset, src, releaseProc, context);
+sk_sp<SkSpecialImage> SkSpecialImage::MakeFromPixmap(SkImageFilter::Proxy* proxy,
+                                                     const SkIRect& subset,
+                                                     const SkPixmap& src,
+                                                     RasterReleaseProc releaseProc,
+                                                     ReleaseContext context) {
+    if (!src.addr()) {
+        return nullptr;
+    }
+
+    return sk_make_sp<SkSpecialImage_Raster>(proxy, subset, src, releaseProc, context);
 }
 
 
@@ -383,19 +391,19 @@
         return true;
     }
 
-    SkSpecialSurface* onNewSurface(const SkImageInfo& info) const override {
+    sk_sp<SkSpecialSurface> onMakeSurface(const SkImageInfo& info) const override {
         GrSurfaceDesc desc = GrImageInfoToSurfaceDesc(info);
         desc.fFlags = kRenderTarget_GrSurfaceFlag;
 
-        return SkSpecialSurface::NewRenderTarget(this->proxy(), fTexture->getContext(), desc);
+        return SkSpecialSurface::MakeRenderTarget(this->proxy(), fTexture->getContext(), desc);
     }
 
-    SkSpecialImage* onExtractSubset(const SkIRect& subset) const override {
-        return SkSpecialImage::NewFromGpu(this->internal_getProxy(),
-                                          subset,
-                                          this->uniqueID(),
-                                          fTexture, 
-                                          fAlphaType);
+    sk_sp<SkSpecialImage> onMakeSubset(const SkIRect& subset) const override {
+        return SkSpecialImage::MakeFromGpu(this->internal_getProxy(),
+                                           subset,
+                                           this->uniqueID(),
+                                           fTexture, 
+                                           fAlphaType);
     }
 
 private:
@@ -405,22 +413,22 @@
     typedef SkSpecialImage_Base INHERITED;
 };
 
-SkSpecialImage* SkSpecialImage::NewFromGpu(SkImageFilter::Proxy* proxy,
-                                           const SkIRect& subset, 
-                                           uint32_t uniqueID,
-                                           GrTexture* tex,
-                                           SkAlphaType at) {
+sk_sp<SkSpecialImage> SkSpecialImage::MakeFromGpu(SkImageFilter::Proxy* proxy,
+                                                  const SkIRect& subset, 
+                                                  uint32_t uniqueID,
+                                                  GrTexture* tex,
+                                                  SkAlphaType at) {
     SkASSERT(rect_fits(subset, tex->width(), tex->height()));
-    return new SkSpecialImage_Gpu(proxy, subset, uniqueID, tex, at);
+    return sk_make_sp<SkSpecialImage_Gpu>(proxy, subset, uniqueID, tex, at);
 }
 
 #else
 
-SkSpecialImage* SkSpecialImage::NewFromGpu(SkImageFilter::Proxy* proxy,
-                                           const SkIRect& subset,
-                                           uint32_t uniqueID,
-                                           GrTexture* tex,
-                                           SkAlphaType at) {
+sk_sp<SkSpecialImage> SkSpecialImage::MakeFromGpu(SkImageFilter::Proxy* proxy,
+                                                  const SkIRect& subset,
+                                                  uint32_t uniqueID,
+                                                  GrTexture* tex,
+                                                  SkAlphaType at) {
     return nullptr;
 }
 
diff --git a/src/core/SkSpecialImage.h b/src/core/SkSpecialImage.h
index b1b6a28..1a01a5a 100644
--- a/src/core/SkSpecialImage.h
+++ b/src/core/SkSpecialImage.h
@@ -39,6 +39,9 @@
  */
 class SkSpecialImage : public SkRefCnt {
 public:
+    typedef void* ReleaseContext;
+    typedef void(*RasterReleaseProc)(void* pixels, ReleaseContext);
+
     int width() const { return fSubset.width(); }
     int height() const { return fSubset.height(); }
     const SkIRect& subset() const { return fSubset; }
@@ -52,37 +55,37 @@
      */
     void draw(SkCanvas*, SkScalar x, SkScalar y, const SkPaint*) const;
 
-    static SkSpecialImage* NewFromImage(SkImageFilter::Proxy*,
-                                        const SkIRect& subset,
-                                        const SkImage*);
-    static SkSpecialImage* NewFromRaster(SkImageFilter::Proxy*,
-                                         const SkIRect& subset,
-                                         const SkBitmap&);
-    static SkSpecialImage* NewFromGpu(SkImageFilter::Proxy*,
-                                      const SkIRect& subset,
-                                      uint32_t uniqueID,
-                                      GrTexture*, 
-                                      SkAlphaType at = kPremul_SkAlphaType);
-    static SkSpecialImage* NewFromPixmap(SkImageFilter::Proxy*,
-                                         const SkIRect& subset,
-                                         const SkPixmap&,
-                                         void (*releaseProc)(void* addr, void* context),
-                                         void* context);
+    static sk_sp<SkSpecialImage> MakeFromImage(SkImageFilter::Proxy*,
+                                               const SkIRect& subset,
+                                               sk_sp<SkImage>);
+    static sk_sp<SkSpecialImage> MakeFromRaster(SkImageFilter::Proxy*,
+                                                const SkIRect& subset,
+                                                const SkBitmap&);
+    static sk_sp<SkSpecialImage> MakeFromGpu(SkImageFilter::Proxy*,
+                                             const SkIRect& subset,
+                                             uint32_t uniqueID,
+                                             GrTexture*, 
+                                             SkAlphaType at = kPremul_SkAlphaType);
+    static sk_sp<SkSpecialImage> MakeFromPixmap(SkImageFilter::Proxy*,
+                                                const SkIRect& subset,
+                                                const SkPixmap&,
+                                                RasterReleaseProc,
+                                                ReleaseContext);
 
     /**
      *  Create a new surface with a backend that is compatible with this image.
      */
-    SkSpecialSurface* newSurface(const SkImageInfo&) const;
+    sk_sp<SkSpecialSurface> makeSurface(const SkImageInfo&) const;
 
     /**
      * Extract a subset of this special image and return it as a special image.
      * It may or may not point to the same backing memory.
      */
-    SkSpecialImage* extractSubset(const SkIRect& subset) const;
+    sk_sp<SkSpecialImage> makeSubset(const SkIRect& subset) const;
 
     // These three internal methods will go away (see skbug.com/4965)
     bool internal_getBM(SkBitmap* result);
-    static SkSpecialImage* internal_fromBM(SkImageFilter::Proxy*, const SkBitmap&);
+    static sk_sp<SkSpecialImage> internal_fromBM(SkImageFilter::Proxy*, const SkBitmap&);
     SkImageFilter::Proxy* internal_getProxy() const;
 
     // TODO: hide this when GrLayerHoister uses SkSpecialImages more fully (see skbug.com/5063)
diff --git a/src/core/SkSpecialSurface.cpp b/src/core/SkSpecialSurface.cpp
index 429badd..c1b06dd 100644
--- a/src/core/SkSpecialSurface.cpp
+++ b/src/core/SkSpecialSurface.cpp
@@ -27,7 +27,7 @@
     // This can return nullptr if reset has already been called or something when wrong in the ctor
     SkCanvas* onGetCanvas() { return fCanvas; }
 
-    virtual SkSpecialImage* onNewImageSnapshot() = 0;
+    virtual sk_sp<SkSpecialImage> onMakeImageSnapshot() = 0;
 
 protected:
     SkAutoTUnref<SkCanvas> fCanvas;   // initialized by derived classes in ctors
@@ -55,8 +55,8 @@
     return as_SB(this)->onGetCanvas();
 }
 
-SkSpecialImage* SkSpecialSurface::newImageSnapshot() {
-    SkSpecialImage* image = as_SB(this)->onNewImageSnapshot();
+sk_sp<SkSpecialImage> SkSpecialSurface::makeImageSnapshot() {
+    sk_sp<SkSpecialImage> image(as_SB(this)->onMakeImageSnapshot());
     as_SB(this)->reset();
     return image;   // the caller gets the creation ref
 }
@@ -81,8 +81,8 @@
 
     ~SkSpecialSurface_Raster() override { }
 
-    SkSpecialImage* onNewImageSnapshot() override {
-        return SkSpecialImage::NewFromRaster(this->proxy(), this->subset(), fBitmap);
+    sk_sp<SkSpecialImage> onMakeImageSnapshot() override {
+        return SkSpecialImage::MakeFromRaster(this->proxy(), this->subset(), fBitmap);
     }
 
 private:
@@ -91,15 +91,15 @@
     typedef SkSpecialSurface_Base INHERITED;
 };
 
-SkSpecialSurface* SkSpecialSurface::NewFromBitmap(SkImageFilter::Proxy* proxy,
-                                                  const SkIRect& subset, SkBitmap& bm,
-                                                  const SkSurfaceProps* props) {
-    return new SkSpecialSurface_Raster(proxy, bm.pixelRef(), subset, props);
+sk_sp<SkSpecialSurface> SkSpecialSurface::MakeFromBitmap(SkImageFilter::Proxy* proxy,
+                                                         const SkIRect& subset, SkBitmap& bm,
+                                                         const SkSurfaceProps* props) {
+    return sk_make_sp<SkSpecialSurface_Raster>(proxy, bm.pixelRef(), subset, props);
 }
 
-SkSpecialSurface* SkSpecialSurface::NewRaster(SkImageFilter::Proxy* proxy,
-                                              const SkImageInfo& info,
-                                              const SkSurfaceProps* props) {
+sk_sp<SkSpecialSurface> SkSpecialSurface::MakeRaster(SkImageFilter::Proxy* proxy,
+                                                     const SkImageInfo& info,
+                                                     const SkSurfaceProps* props) {
     SkAutoTUnref<SkPixelRef> pr(SkMallocPixelRef::NewZeroed(info, 0, nullptr));
     if (nullptr == pr.get()) {
         return nullptr;
@@ -107,7 +107,7 @@
 
     const SkIRect subset = SkIRect::MakeWH(pr->info().width(), pr->info().height());
 
-    return new SkSpecialSurface_Raster(proxy, pr, subset, props);
+    return sk_make_sp<SkSpecialSurface_Raster>(proxy, pr, subset, props);
 }
 
 #if SK_SUPPORT_GPU
@@ -137,9 +137,9 @@
 
     ~SkSpecialSurface_Gpu() override { }
 
-    SkSpecialImage* onNewImageSnapshot() override {
-        return SkSpecialImage::NewFromGpu(this->proxy(), this->subset(),
-                                          kNeedNewImageUniqueID_SpecialImage, fTexture);
+    sk_sp<SkSpecialImage> onMakeImageSnapshot() override {
+        return SkSpecialImage::MakeFromGpu(this->proxy(), this->subset(),
+                                           kNeedNewImageUniqueID_SpecialImage, fTexture);
     }
 
 private:
@@ -148,21 +148,21 @@
     typedef SkSpecialSurface_Base INHERITED;
 };
 
-SkSpecialSurface* SkSpecialSurface::NewFromTexture(SkImageFilter::Proxy* proxy, 
-                                                   const SkIRect& subset,
-                                                   GrTexture* texture,
-                                                   const SkSurfaceProps* props) {
+sk_sp<SkSpecialSurface> SkSpecialSurface::MakeFromTexture(SkImageFilter::Proxy* proxy, 
+                                                          const SkIRect& subset,
+                                                          GrTexture* texture,
+                                                          const SkSurfaceProps* props) {
     if (!texture->asRenderTarget()) {
         return nullptr;
     }
 
-    return new SkSpecialSurface_Gpu(proxy, texture, subset, props);
+    return sk_make_sp<SkSpecialSurface_Gpu>(proxy, texture, subset, props);
 }
 
-SkSpecialSurface* SkSpecialSurface::NewRenderTarget(SkImageFilter::Proxy* proxy,
-                                                    GrContext* context,
-                                                    const GrSurfaceDesc& desc,
-                                                    const SkSurfaceProps* props) {
+sk_sp<SkSpecialSurface> SkSpecialSurface::MakeRenderTarget(SkImageFilter::Proxy* proxy,
+                                                           GrContext* context,
+                                                           const GrSurfaceDesc& desc,
+                                                           const SkSurfaceProps* props) {
     if (!context || !SkToBool(desc.fFlags & kRenderTarget_GrSurfaceFlag)) {
         return nullptr;
     }
@@ -174,22 +174,22 @@
 
     const SkIRect subset = SkIRect::MakeWH(desc.fWidth, desc.fHeight);
 
-    return new SkSpecialSurface_Gpu(proxy, temp, subset, props);
+    return sk_make_sp<SkSpecialSurface_Gpu>(proxy, temp, subset, props);
 }
 
 #else
 
-SkSpecialSurface* SkSpecialSurface::NewFromTexture(SkImageFilter::Proxy* proxy,
-                                                   const SkIRect& subset,
-                                                   GrTexture*,
-                                                   const SkSurfaceProps*) {
+sk_sp<SkSpecialSurface> SkSpecialSurface::MakeFromTexture(SkImageFilter::Proxy* proxy,
+                                                          const SkIRect& subset,
+                                                          GrTexture*,
+                                                          const SkSurfaceProps*) {
     return nullptr;
 }
 
-SkSpecialSurface* SkSpecialSurface::NewRenderTarget(SkImageFilter::Proxy* proxy,
-                                                    GrContext* context,
-                                                    const GrSurfaceDesc& desc,
-                                                    const SkSurfaceProps* props) {
+sk_sp<SkSpecialSurface> SkSpecialSurface::MakeRenderTarget(SkImageFilter::Proxy* proxy,
+                                                           GrContext* context,
+                                                           const GrSurfaceDesc& desc,
+                                                           const SkSurfaceProps* props) {
     return nullptr;
 }
 
diff --git a/src/core/SkSpecialSurface.h b/src/core/SkSpecialSurface.h
index 546ec0c..098baa4 100644
--- a/src/core/SkSpecialSurface.h
+++ b/src/core/SkSpecialSurface.h
@@ -48,29 +48,29 @@
     *
     *  Note: the caller inherits a ref from this call that must be balanced
     */
-    SkSpecialImage* newImageSnapshot();
+    sk_sp<SkSpecialImage> makeImageSnapshot();
 
     /**
      *  Use an existing (renderTarget-capable) GrTexture as the backing store.
      */
-    static SkSpecialSurface* NewFromTexture(SkImageFilter::Proxy* proxy,
-                                            const SkIRect& subset, GrTexture*,
-                                            const SkSurfaceProps* = nullptr);
+    static sk_sp<SkSpecialSurface> MakeFromTexture(SkImageFilter::Proxy* proxy,
+                                                   const SkIRect& subset, GrTexture*,
+                                                   const SkSurfaceProps* = nullptr);
 
     /**
      *  Allocate a new GPU-backed SkSpecialSurface. If the requested surface cannot
      *  be created, nullptr will be returned.
      */
-    static SkSpecialSurface* NewRenderTarget(SkImageFilter::Proxy* proxy,
-                                             GrContext*, const GrSurfaceDesc&,
-                                             const SkSurfaceProps* = nullptr);
+    static sk_sp<SkSpecialSurface> MakeRenderTarget(SkImageFilter::Proxy* proxy,
+                                                    GrContext*, const GrSurfaceDesc&,
+                                                    const SkSurfaceProps* = nullptr);
 
     /**
      * Use and existing SkBitmap as the backing store.
      */
-    static SkSpecialSurface* NewFromBitmap(SkImageFilter::Proxy* proxy,
-                                           const SkIRect& subset, SkBitmap& bm,
-                                           const SkSurfaceProps* = nullptr);
+    static sk_sp<SkSpecialSurface> MakeFromBitmap(SkImageFilter::Proxy* proxy,
+                                                  const SkIRect& subset, SkBitmap& bm,
+                                                  const SkSurfaceProps* = nullptr);
 
     /**
      *  Return a new CPU-backed surface, with the memory for the pixels automatically
@@ -79,8 +79,9 @@
      *  If the requested surface cannot be created, or the request is not a
      *  supported configuration, nullptr will be returned.
      */
-    static SkSpecialSurface* NewRaster(SkImageFilter::Proxy* proxy,
-                                       const SkImageInfo&, const SkSurfaceProps* = nullptr);
+    static sk_sp<SkSpecialSurface> MakeRaster(SkImageFilter::Proxy* proxy,
+                                              const SkImageInfo&,
+                                              const SkSurfaceProps* = nullptr);
 
 protected:
     SkSpecialSurface(SkImageFilter::Proxy*, const SkIRect& subset, const SkSurfaceProps*);
diff --git a/src/effects/SkImageSource.cpp b/src/effects/SkImageSource.cpp
index 25d37e3..c0a8dee 100644
--- a/src/effects/SkImageSource.cpp
+++ b/src/effects/SkImageSource.cpp
@@ -15,25 +15,25 @@
 #include "SkWriteBuffer.h"
 #include "SkString.h"
 
-SkImageFilter* SkImageSource::Create(const SkImage* image) {
+SkImageFilter* SkImageSource::Create(SkImage* image) {
     return image ? new SkImageSource(image) : nullptr;
 }
 
-SkImageFilter* SkImageSource::Create(const SkImage* image,
+SkImageFilter* SkImageSource::Create(SkImage* image,
                                      const SkRect& srcRect,
                                      const SkRect& dstRect,
                                      SkFilterQuality filterQuality) {
     return image ? new SkImageSource(image, srcRect, dstRect, filterQuality) : nullptr;
 }
 
-SkImageSource::SkImageSource(const SkImage* image)
+SkImageSource::SkImageSource(SkImage* image)
     : INHERITED(0, nullptr)
     , fImage(SkRef(image))
     , fSrcRect(SkRect::MakeIWH(image->width(), image->height()))
     , fDstRect(fSrcRect)
     , fFilterQuality(kHigh_SkFilterQuality) { }
 
-SkImageSource::SkImageSource(const SkImage* image,
+SkImageSource::SkImageSource(SkImage* image,
                              const SkRect& srcRect,
                              const SkRect& dstRect,
                              SkFilterQuality filterQuality)
@@ -62,7 +62,7 @@
     buffer.writeInt(fFilterQuality);
     buffer.writeRect(fSrcRect);
     buffer.writeRect(fDstRect);
-    buffer.writeImage(fImage);
+    buffer.writeImage(fImage.get());
 }
 
 SkSpecialImage* SkImageSource::onFilterImage(SkSpecialImage* source, const Context& ctx,
@@ -74,9 +74,9 @@
     if (fSrcRect == bounds && dstRect == bounds) {
         // No regions cropped out or resized; return entire image.
         offset->fX = offset->fY = 0;
-        return SkSpecialImage::NewFromImage(source->internal_getProxy(),
-                                            SkIRect::MakeWH(fImage->width(), fImage->height()),
-                                            fImage);
+        return SkSpecialImage::MakeFromImage(source->internal_getProxy(),
+                                             SkIRect::MakeWH(fImage->width(), fImage->height()),
+                                             fImage).release();
     }
 
     const SkIRect dstIRect = dstRect.roundOut();
@@ -84,7 +84,7 @@
     const SkImageInfo info = SkImageInfo::MakeN32(dstIRect.width(), dstIRect.height(),
                                                   kPremul_SkAlphaType);
 
-    SkAutoTUnref<SkSpecialSurface> surf(source->newSurface(info));
+    sk_sp<SkSpecialSurface> surf(source->makeSurface(info));
     if (!surf) {
         return nullptr;
     }
@@ -105,11 +105,12 @@
     paint.setFilterQuality(
         fSrcRect.width() == dstRect.width() && fSrcRect.height() == dstRect.height() ?
                kNone_SkFilterQuality : fFilterQuality);
-    canvas->drawImageRect(fImage, fSrcRect, dstRect, &paint, SkCanvas::kStrict_SrcRectConstraint);
+    canvas->drawImageRect(fImage.get(), fSrcRect, dstRect, &paint,
+                          SkCanvas::kStrict_SrcRectConstraint);
 
     offset->fX = dstIRect.fLeft;
     offset->fY = dstIRect.fTop;
-    return surf->newImageSnapshot();
+    return surf->makeImageSnapshot().release();
 }
 
 void SkImageSource::computeFastBounds(const SkRect& src, SkRect* dst) const {
diff --git a/src/effects/SkMergeImageFilter.cpp b/src/effects/SkMergeImageFilter.cpp
index e6761e9..01373b2 100755
--- a/src/effects/SkMergeImageFilter.cpp
+++ b/src/effects/SkMergeImageFilter.cpp
@@ -98,7 +98,7 @@
     SkImageInfo info = SkImageInfo::MakeN32(bounds.width(), bounds.height(),
                                             kPremul_SkAlphaType);
 
-    SkAutoTUnref<SkSpecialSurface> surf(source->newSurface(info));
+    sk_sp<SkSpecialSurface> surf(source->makeSurface(info));
     if (!surf) {
         return nullptr;
     }
@@ -126,7 +126,7 @@
 
     offset->fX = bounds.left();
     offset->fY = bounds.top();
-    return surf->newImageSnapshot();
+    return surf->makeImageSnapshot().release();
 }
 
 SkFlattenable* SkMergeImageFilter::CreateProc(SkReadBuffer& buffer) {
diff --git a/src/effects/SkOffsetImageFilter.cpp b/src/effects/SkOffsetImageFilter.cpp
index 77cf442..f3d2bb0 100644
--- a/src/effects/SkOffsetImageFilter.cpp
+++ b/src/effects/SkOffsetImageFilter.cpp
@@ -41,7 +41,7 @@
 
         SkImageInfo info = SkImageInfo::MakeN32(bounds.width(), bounds.height(),
                                                 kPremul_SkAlphaType);
-        SkAutoTUnref<SkSpecialSurface> surf(source->newSurface(info));
+        sk_sp<SkSpecialSurface> surf(source->makeSurface(info));
         if (!surf) {
             return nullptr;
         }
@@ -61,7 +61,7 @@
 
         offset->fX = bounds.fLeft;
         offset->fY = bounds.fTop;
-        return surf->newImageSnapshot();
+        return surf->makeImageSnapshot().release();
     }
 }
 
diff --git a/src/effects/SkPaintImageFilter.cpp b/src/effects/SkPaintImageFilter.cpp
index 6ae62d9..02387ce 100644
--- a/src/effects/SkPaintImageFilter.cpp
+++ b/src/effects/SkPaintImageFilter.cpp
@@ -45,7 +45,7 @@
     SkImageInfo info = SkImageInfo::MakeN32(bounds.width(), bounds.height(),
                                             kPremul_SkAlphaType);
 
-    SkAutoTUnref<SkSpecialSurface> surf(source->newSurface(info));
+    sk_sp<SkSpecialSurface> surf(source->makeSurface(info));
     if (!surf) {
         return nullptr;
     }
@@ -67,7 +67,7 @@
 
     offset->fX = bounds.fLeft;
     offset->fY = bounds.fTop;
-    return surf->newImageSnapshot();
+    return surf->makeImageSnapshot().release();
 }
 
 bool SkPaintImageFilter::canComputeFastBounds() const {
diff --git a/src/gpu/GrLayerHoister.cpp b/src/gpu/GrLayerHoister.cpp
index a446be8..0fef0ef 100644
--- a/src/gpu/GrLayerHoister.cpp
+++ b/src/gpu/GrLayerHoister.cpp
@@ -304,12 +304,12 @@
 
     // TODO: should the layer hoister store stand alone layers as SkSpecialImages internally?
     const SkIRect subset = SkIRect::MakeWH(layer->texture()->width(), layer->texture()->height());
-    SkAutoTUnref<SkSpecialImage> img(SkSpecialImage::NewFromGpu(&proxy, subset,
-                                                                kNeedNewImageUniqueID_SpecialImage,
-                                                                layer->texture()));
+    sk_sp<SkSpecialImage> img(SkSpecialImage::MakeFromGpu(&proxy, subset,
+                                                          kNeedNewImageUniqueID_SpecialImage,
+                                                          layer->texture()));
 
     SkIPoint offset = SkIPoint::Make(0, 0);
-    SkAutoTUnref<SkSpecialImage> result(layer->filter()->filterImage(img,
+    SkAutoTUnref<SkSpecialImage> result(layer->filter()->filterImage(img.get(),
                                                                      filterContext,
                                                                      &offset));
     if (!result) {