[api] Make ObjectTemplate::SetNativeDataProperty() work even if the ObjectTemplate does not have a …

src/flag-definitions.h

Index: src/flag-definitions.h
diff --git a/src/flag-definitions.h b/src/flag-definitions.h
index a7fc25ef1ccc31540c2faaa96c26fdb5bda4b387..8ef78f4adc28d1076910ba972d85abfc4c306583 100644
--- a/src/flag-definitions.h
+++ b/src/flag-definitions.h
@@ -872,6 +872,8 @@ DEFINE_BOOL(manual_evacuation_candidates_selection, false,
             "candidates pages (requires --stress_compaction).")
 
 // api.cc
+DEFINE_BOOL(new_api_accessors, true,
+            "install native data accessors directly on object")
 DEFINE_INT(external_allocation_limit_incremental_time, 1,
            "Time spent in incremental marking steps (in ms) once the external "
            "allocation limit is reached")