Move art/native to ObjPtr

Bug: 31113334

Test: test-art-host

Change-Id: I67eb89cf042c762c6dcd5eb8b008b9a28e9b3319
diff --git a/runtime/native/java_lang_ref_FinalizerReference.cc b/runtime/native/java_lang_ref_FinalizerReference.cc
index 1f03c7c..c7d06f4 100644
--- a/runtime/native/java_lang_ref_FinalizerReference.cc
+++ b/runtime/native/java_lang_ref_FinalizerReference.cc
@@ -28,8 +28,7 @@
 static jboolean FinalizerReference_makeCircularListIfUnenqueued(JNIEnv* env, jobject javaThis) {
   ScopedFastNativeObjectAccess soa(env);
   ObjPtr<mirror::FinalizerReference> ref = soa.Decode<mirror::FinalizerReference>(javaThis);
-  return Runtime::Current()->GetHeap()->GetReferenceProcessor()->MakeCircularListIfUnenqueued(
-      ref.Ptr());
+  return Runtime::Current()->GetHeap()->GetReferenceProcessor()->MakeCircularListIfUnenqueued(ref);
 }
 
 static JNINativeMethod gMethods[] = {