Templatize AstVisitor with its subclass

src/parsing/preparser.h

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef V8_PARSING_PREPARSER_H
 #define V8_PARSING_PREPARSER_H
 
 #include "src/ast/scopes.h"
 #include "src/bailout-reason.h"
 #include "src/base/hashmap.h"
@@ skipping 784 matching lines @@
   static PreParserIdentifier GetNextSymbol(Scanner* scanner) {
     return PreParserIdentifier::Default();
   }
 
   static PreParserExpression ThisExpression(Scope* scope,
                                             PreParserFactory* factory,
                                             int pos) {
     return PreParserExpression::This();
   }
 
-  static PreParserExpression SuperPropertyReference(Scope* scope,
-                                                    PreParserFactory* factory,
-                                                    int pos) {
+  static PreParserExpression NewSuperPropertyReference(
+      Scope* scope, PreParserFactory* factory, int pos) {
     return PreParserExpression::Default();
   }
 
-  static PreParserExpression SuperCallReference(Scope* scope,
-                                                PreParserFactory* factory,
-                                                int pos) {
+  static PreParserExpression NewSuperCallReference(Scope* scope,
+                                                   PreParserFactory* factory,
+                                                   int pos) {
     return PreParserExpression::SuperCallReference();
   }
 
   static PreParserExpression NewTargetExpression(Scope* scope,
                                                  PreParserFactory* factory,
                                                  int pos) {
     return PreParserExpression::Default();
   }
 
   static PreParserExpression FunctionSentExpression(Scope* scope,
@@ skipping 438 matching lines @@
     const PreParserFormalParameters& parameters, FunctionKind kind,
     FunctionLiteral::FunctionType function_type, bool* ok) {
   return pre_parser_->ParseEagerFunctionBody(function_name, pos, parameters,
                                              kind, function_type, ok);
 }
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_PARSING_PREPARSER_H