Small cleanup in parser

runtime/vm/parser.h

 // Copyright (c) 2012, 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 "lib/invocation_mirror.h"
@@ skipping 530 matching lines @@
   AstNode* GenerateStaticFieldLookup(const Field& field,
                                      intptr_t ident_pos);
   AstNode* ParseStaticFieldAccess(const Class& cls,
                                   const String& field_name,
                                   intptr_t ident_pos,
                                   bool consume_cascades);
 
   LocalVariable* LookupLocalScope(const String& ident);
   void CheckInstanceFieldAccess(intptr_t field_pos, const String& field_name);
   bool ParsingStaticMember() const;
-  const Type* ReceiverType(intptr_t type_pos) const;
+  const Type* ReceiverType() const;
   bool IsInstantiatorRequired() const;
   bool ResolveIdentInLocalScope(intptr_t ident_pos,
                                 const String &ident,
                                 AstNode** node);
   static const bool kResolveLocally = true;
   static const bool kResolveIncludingImports = false;
 
   // Resolve a primary identifier in the library or prefix scope and
   // generate the corresponding AstNode.
   AstNode* ResolveIdentInCurrentLibraryScope(intptr_t ident_pos,
@@ skipping 115 matching lines @@
   // code at all points in the try block where an exit from the block is
   // done using 'return', 'break' or 'continue' statements.
   TryBlocks* try_blocks_list_;
 
   DISALLOW_COPY_AND_ASSIGN(Parser);
 };
 
 }  // namespace dart
 
 #endif  // VM_PARSER_H_