- Get rid of RawClosure class and use RawInstance for closures.

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 33 matching lines @@
   // Invoke the specified static function.
   // On success, returns a RawInstance.  On failure, a RawError.
   static RawObject* InvokeStatic(
       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 Instance& 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);
@@ skipping 33 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_