Deserialize pictures with custom image-deserializer

src/image/SkImageShader.cpp

Index: src/image/SkImageShader.cpp
diff --git a/src/image/SkImageShader.cpp b/src/image/SkImageShader.cpp
index e7a8433fe24d895745f33a639480be626b0124b8..86505dd6c09b173f7440ee0b883165a2c2f3e4e2 100644
--- a/src/image/SkImageShader.cpp
+++ b/src/image/SkImageShader.cpp
@@ -24,11 +24,11 @@ sk_sp<SkFlattenable> SkImageShader::CreateProc(SkReadBuffer& buffer) {
     const TileMode ty = (TileMode)buffer.readUInt();
     SkMatrix matrix;
     buffer.readMatrix(&matrix);
-    SkAutoTUnref<SkImage> img(buffer.readImage());
+    sk_sp<SkImage> img = buffer.readImage();
     if (!img) {
         return nullptr;
     }
-    return SkImageShader::Make(img, tx, ty, &matrix);
+    return SkImageShader::Make(img.release(), tx, ty, &matrix);
 }
 
 void SkImageShader::flatten(SkWriteBuffer& buffer) const {