Remove old code generator.

runtime/vm/dart_entry.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_DART_ENTRY_H_
 #define VM_DART_ENTRY_H_
 
 #include "vm/allocation.h"
 #include "vm/growable_array.h"
 
@@ skipping 36 matching lines @@
       const Function& function,
       const GrowableArray<const Object*>& arguments,
       const Array& optional_arguments_names);
 
   // Invoke the specified closure object.
   // On success, returns a RawInstance.  On failure, a RawError.
   static RawObject* InvokeClosure(
       const Closure& closure,
       const GrowableArray<const Object*>& arguments,
       const Array& optional_arguments_names);
+
+  // Allocate and return an arguments descriptor.
+  // Let 'num_names' be the length of 'optional_arguments_names'.
+  // Treat the first 'num_arguments - num_names' arguments as positional and
+  // treat the following 'num_names' arguments as named optional arguments.
+  static const Array& ArgumentsDescriptor(
+      int num_arguments,
+      const Array& optional_arguments_names);
 };
 
 
 // Utility functions to call from VM into Dart bootstrap libraries.
 // Each may return an exception object.
 class DartLibraryCalls : public AllStatic {
  public:
   // On success, returns a RawInstance.  On failure, a RawError.
   static RawObject* ExceptionCreate(
       const Library& library,
@@ skipping 23 matching lines @@
 
   // Gets the _id field of a SendPort/ReceivePort.
   //
   // Returns the value of _id on success, a RawError on failure.
   static RawObject* PortGetId(const Instance& port);
 };
 
 }  // namespace dart
 
 #endif  // VM_DART_ENTRY_H_