return pictures as sk_sp

BUG=skia:
GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1811703002

Review URL: https://codereview.chromium.org/1811703002
diff --git a/tests/SkResourceCacheTest.cpp b/tests/SkResourceCacheTest.cpp
index 625b98a..7ae5f64 100644
--- a/tests/SkResourceCacheTest.cpp
+++ b/tests/SkResourceCacheTest.cpp
@@ -322,8 +322,8 @@
             SkPictureRecorder recorder;
             SkCanvas* canvas = recorder.beginRecording(10, 10);
             canvas->clear(SK_ColorCYAN);
-            sk_sp<SkPicture> picture(recorder.endRecording());
-            return SkImage::MakeFromPicture(picture, SkISize::Make(10, 10), nullptr, nullptr);
+            return SkImage::MakeFromPicture(recorder.finishRecordingAsPicture(),
+                                            SkISize::Make(10, 10), nullptr, nullptr);
         });
     }
 }