add Make variations to return SkImage by sk_sp

src/utils/SkBitmapSourceDeserializer.cpp

Index: src/utils/SkBitmapSourceDeserializer.cpp
diff --git a/src/utils/SkBitmapSourceDeserializer.cpp b/src/utils/SkBitmapSourceDeserializer.cpp
index bb783bfeef2b9c34eaf50cbab7af7a2f890d0b68..02d3ea7402a22dced959f4f6f2e5fca9a36928e8 100644
--- a/src/utils/SkBitmapSourceDeserializer.cpp
+++ b/src/utils/SkBitmapSourceDeserializer.cpp
@@ -29,6 +29,6 @@ SkFlattenable* SkBitmapSourceDeserializer::CreateProc(SkReadBuffer& buffer) {
     }
     bitmap.setImmutable();
 
-    SkAutoTUnref<SkImage> image(SkImage::NewFromBitmap(bitmap));
-    return SkImageSource::Create(image, src, dst, filterQuality);
+    return SkImageSource::Create(SkImage::MakeFromBitmap(bitmap).release(),

[f(malita), 2016/03/10 18:12:15]

hmm, is this leaking?

based on prev usage, SkImageSource::Create doesn't transfer the ref but grabs a
new one => we still need to unref.

[reed1, 2016/03/10 19:12:56]

GOOD CATCH!

+                                 src, dst, filterQuality);
 }