PropertyDetails cleanup: NORMAL property type merged with FIELD.

src/lookup.h

Index: src/lookup.h
diff --git a/src/lookup.h b/src/lookup.h
index 52231e5d908ce4b657f14b327d6f5861e2267def..a78bb5d91d658cd7d1e04c709d5c0fe9f731cf61 100644
--- a/src/lookup.h
+++ b/src/lookup.h
@@ -46,7 +46,7 @@ class LookupIterator FINAL BASE_EMBEDDED {
                  Configuration configuration = PROTOTYPE_CHAIN)
       : configuration_(ComputeConfiguration(configuration, name)),
         state_(NOT_FOUND),
-        property_details_(NONE, NORMAL, Representation::None()),
+        property_details_(NONE, FIELD, 0),
         isolate_(name->GetIsolate()),
         name_(name),
         receiver_(receiver),
@@ -61,7 +61,7 @@ class LookupIterator FINAL BASE_EMBEDDED {
                  Configuration configuration = PROTOTYPE_CHAIN)
       : configuration_(ComputeConfiguration(configuration, name)),
         state_(NOT_FOUND),
-        property_details_(NONE, NORMAL, Representation::None()),
+        property_details_(NONE, FIELD, 0),
         isolate_(name->GetIsolate()),
         name_(name),
         holder_map_(holder->map(), isolate_),