Clean up FunctionLiteral AST node cruft

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/hashmap.h"
@@ skipping 509 matching lines @@
                                      const Runtime::Function* function,
                                      PreParserExpressionList arguments,
                                      int pos) {
     return PreParserExpression::Default();
   }
   PreParserStatement NewReturnStatement(PreParserExpression expression,
                                         int pos) {
     return PreParserStatement::Default();
   }
   PreParserExpression NewFunctionLiteral(
-      PreParserIdentifier name, AstValueFactory* ast_value_factory,
-      Scope* scope, PreParserStatementList body, int materialized_literal_count,
-      int expected_property_count, int parameter_count,
+      PreParserIdentifier name, Scope* scope, PreParserStatementList body,
+      int materialized_literal_count, int expected_property_count,
+      int parameter_count,
       FunctionLiteral::ParameterFlag has_duplicate_parameters,
       FunctionLiteral::FunctionType function_type,
-      FunctionLiteral::IsFunctionFlag is_function,
       FunctionLiteral::EagerCompileHint eager_compile_hint, FunctionKind kind,
       int position) {
     return PreParserExpression::Default();
   }
 
   PreParserExpression NewSpread(PreParserExpression expression, int pos) {
     return PreParserExpression::Spread(expression);
   }
 
   PreParserExpression NewEmptyParentheses(int pos) {
@@ skipping 580 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