Index -> Entry and Key -> Index in elements.[cc|h]

src/lookup-inl.h

Index: src/lookup-inl.h
diff --git a/src/lookup-inl.h b/src/lookup-inl.h
index 421cc08d91268d213bbb8852be3757d69fdabaa3..3df2194d3f9f462869bd71653e625693fec97736 100644
--- a/src/lookup-inl.h
+++ b/src/lookup-inl.h
@@ -74,7 +74,8 @@ LookupIterator::State LookupIterator::LookupInHolder(Map* const map,
 
           ElementsAccessor* accessor = js_object->GetElementsAccessor();
           FixedArrayBase* backing_store = js_object->elements();
-          number_ = accessor->GetIndexForKey(js_object, backing_store, index_);
+          number_ =
+              accessor->GetEntryForIndex(js_object, backing_store, index_);
           if (number_ == kMaxUInt32) return NOT_FOUND;
           property_details_ = accessor->GetDetails(backing_store, number_);
         }