[inspector] fix positions for single expression arrow function

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/parsing/parser-base.h"
 
@@ skipping 643 matching lines @@
   PreParserStatement NewReturnStatement(PreParserExpression expression,
                                         int pos) {
     return PreParserStatement::Jump();
   }
   PreParserExpression NewFunctionLiteral(
       PreParserIdentifier name, Scope* scope, PreParserStatementList body,
       int materialized_literal_count, int expected_property_count,
       int parameter_count, int function_length,
       FunctionLiteral::ParameterFlag has_duplicate_parameters,
       FunctionLiteral::FunctionType function_type,
-      FunctionLiteral::EagerCompileHint eager_compile_hint, int position) {
+      FunctionLiteral::EagerCompileHint eager_compile_hint, int position,
+      bool has_braces) {
     return PreParserExpression::Default();
   }
 
   PreParserExpression NewSpread(PreParserExpression expression, int pos,
                                 int expr_pos) {
     return PreParserExpression::Spread(expression);
   }
 
   PreParserExpression NewEmptyParentheses(int pos) {
     return PreParserExpression::Default();
@@ skipping 875 matching lines @@
     function_state_->NextMaterializedLiteralIndex();
     function_state_->NextMaterializedLiteralIndex();
   }
   return EmptyExpression();
 }
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_PARSING_PREPARSER_H