Nix obsolete function prototype

runtime/vm/parser.h

 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #ifndef VM_PARSER_H_
 #define VM_PARSER_H_
 
 #include "include/dart_api.h"
 
 #include "vm/ast.h"
@@ skipping 329 matching lines @@
   AstNode* ParseStringLiteral();
   AstNode* ParseCompoundLiteral();
   AstNode* ParseArrayLiteral(intptr_t type_pos,
                              bool is_const,
                              const TypeArguments& type_arguments);
   AstNode* ParseMapLiteral(intptr_t type_pos,
                            bool is_const,
                            const TypeArguments& type_arguments);
   AstNode* ParseNewOperator();
 
-  const Array* BuildArgumentsDescriptor(
-      int num_args,
-      GrowableArray<const String*>& named_argument_names,
-      GrowableArray<const Smi*>& named_argument_positions);
   // An implicit argument, if non-null, is prepended to the returned list.
   ArgumentListNode* ParseActualParameters(ArgumentListNode* implicit_arguments,
                                           bool require_const);
   AstNode* ParseStaticCall(const Class& cls,
                            const String& method_name,
                            intptr_t ident_pos);
   AstNode* ParseInstanceCall(AstNode* receiver, const String& method_name);
   AstNode* ParseClosureCall(AstNode* closure);
   AstNode* ParseInstanceFieldAccess(AstNode* receiver,
                                     const String& field_name);
@@ skipping 83 matching lines @@
   TryBlocks* try_blocks_list_;
 
   char error_msg_[kErrorBuflen];
 
   DISALLOW_COPY_AND_ASSIGN(Parser);
 };
 
 }  // namespace dart
 
 #endif  // VM_PARSER_H_