update callsites for Make image factories

not forced yet, as we still have the build-guard. waiting on chrome CL

BUG=skia:
GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1810813003

TBR=

Review URL: https://codereview.chromium.org/1810813003
diff --git a/tests/SkImageTest.cpp b/tests/SkImageTest.cpp
index 8817f0b..4a05b44 100644
--- a/tests/SkImageTest.cpp
+++ b/tests/SkImageTest.cpp
@@ -14,7 +14,7 @@
 
 // Tests that SkNewImageFromBitmap obeys pixelref origin.
 DEF_TEST(SkImageFromBitmap_extractSubset, reporter) {
-    SkAutoTUnref<SkImage> image;
+    sk_sp<SkImage> image;
     {
         SkBitmap srcBitmap;
         srcBitmap.allocN32Pixels(gWidth, gHeight);
@@ -26,7 +26,7 @@
         canvas.drawIRect(r, p);
         SkBitmap dstBitmap;
         srcBitmap.extractSubset(&dstBitmap, r);
-        image.reset(SkImage::NewFromBitmap(dstBitmap));
+        image = SkImage::MakeFromBitmap(dstBitmap);
     }
 
     SkBitmap tgt;