[modules] Minor refactorings in scopes and scopeinfos.

src/parsing/parser-base.h

Index: src/parsing/parser-base.h
diff --git a/src/parsing/parser-base.h b/src/parsing/parser-base.h
index 205c0eec49753243854667103f1a05c16a854884..90104e34a1079acb0a08bfa2ad25315830809ca1 100644
--- a/src/parsing/parser-base.h
+++ b/src/parsing/parser-base.h
@@ -641,7 +641,7 @@ class ParserBase {
   }
 
   ModuleScope* NewModuleScope(DeclarationScope* parent) const {
-    return new (zone()) ModuleScope(zone(), parent, ast_value_factory());
+    return new (zone()) ModuleScope(parent, ast_value_factory());
   }
 
   DeclarationScope* NewEvalScope(Scope* parent) const {