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/tests/SpecialSurfaceTest.cpp b/tests/SpecialSurfaceTest.cpp
index 580d2dd..cd4f0ae 100644
--- a/tests/SpecialSurfaceTest.cpp
+++ b/tests/SpecialSurfaceTest.cpp
@@ -33,9 +33,11 @@
 static const int kFullSize = kSmallerSize + 2 * kPad;
 
 // Exercise the public API of SkSpecialSurface (e.g., getCanvas, newImageSnapshot)
-static void test_surface(SkSpecialSurface* surf, skiatest::Reporter* reporter, int offset) {
+static void test_surface(const sk_sp<SkSpecialSurface>& surf,
+                         skiatest::Reporter* reporter,
+                         int offset) {
 
-    const SkIRect surfSubset = TestingSpecialSurfaceAccess::Subset(surf);
+    const SkIRect surfSubset = TestingSpecialSurfaceAccess::Subset(surf.get());
     REPORTER_ASSERT(reporter, offset == surfSubset.fLeft);
     REPORTER_ASSERT(reporter, offset == surfSubset.fTop);
     REPORTER_ASSERT(reporter, kSmallerSize == surfSubset.width());
@@ -46,10 +48,10 @@
 
     canvas->clear(SK_ColorRED);
 
-    SkAutoTUnref<SkSpecialImage> img(surf->newImageSnapshot());
+    sk_sp<SkSpecialImage> img(surf->makeImageSnapshot());
     REPORTER_ASSERT(reporter, img);
 
-    const SkIRect imgSubset = TestingSpecialSurfaceAccess::Subset(img);
+    const SkIRect imgSubset = TestingSpecialSurfaceAccess::Subset(img.get());
     REPORTER_ASSERT(reporter, surfSubset == imgSubset);
 
     // the canvas was invalidated by the newImageSnapshot call
@@ -59,7 +61,7 @@
 DEF_TEST(SpecialSurface_Raster, reporter) {
 
     SkImageInfo info = SkImageInfo::MakeN32(kSmallerSize, kSmallerSize, kOpaque_SkAlphaType);
-    SkAutoTUnref<SkSpecialSurface> surf(SkSpecialSurface::NewRaster(nullptr, info));
+    sk_sp<SkSpecialSurface> surf(SkSpecialSurface::MakeRaster(nullptr, info));
 
     test_surface(surf, reporter, 0);
 }
@@ -71,7 +73,7 @@
 
     const SkIRect subset = SkIRect::MakeXYWH(kPad, kPad, kSmallerSize, kSmallerSize);
 
-    SkAutoTUnref<SkSpecialSurface> surf(SkSpecialSurface::NewFromBitmap(nullptr, subset, bm));
+    sk_sp<SkSpecialSurface> surf(SkSpecialSurface::MakeFromBitmap(nullptr, subset, bm));
 
     test_surface(surf, reporter, kPad);
 
@@ -87,7 +89,7 @@
     desc.fWidth  = kSmallerSize;
     desc.fHeight = kSmallerSize;
 
-    SkAutoTUnref<SkSpecialSurface> surf(SkSpecialSurface::NewRenderTarget(nullptr, context, desc));
+    sk_sp<SkSpecialSurface> surf(SkSpecialSurface::MakeRenderTarget(nullptr, context, desc));
 
     test_surface(surf, reporter, 0);
 }
@@ -105,7 +107,7 @@
 
     const SkIRect subset = SkIRect::MakeXYWH(kPad, kPad, kSmallerSize, kSmallerSize);
 
-    SkAutoTUnref<SkSpecialSurface> surf(SkSpecialSurface::NewFromTexture(nullptr, subset, temp));
+    sk_sp<SkSpecialSurface> surf(SkSpecialSurface::MakeFromTexture(nullptr, subset, temp));
 
     test_surface(surf, reporter, kPad);