Remove one of the JSObject::WriteToField() methods in favor of another.

src/json-parser.cc

Index: src/json-parser.cc
diff --git a/src/json-parser.cc b/src/json-parser.cc
index 6c65234d50b766f4946e57d171352ae95c89ef26..50c51b0ac5293969539a0735c700c34903cc413b 100644
--- a/src/json-parser.cc
+++ b/src/json-parser.cc
@@ -478,12 +478,12 @@ void JsonParser<seq_one_byte>::CommitStateToJsonObject(
   DCHECK(!json_object->map()->is_dictionary_map());
 
   DisallowHeapAllocation no_gc;
-
+  DescriptorArray* descriptors = map->instance_descriptors();
   int length = properties->length();
   for (int i = 0; i < length; i++) {
     Handle<Object> value = (*properties)[i];
     // Initializing store.
-    json_object->WriteToField(i, *value);
+    json_object->WriteToField(i, descriptors->GetDetails(i), *value);
   }
 }