- Remove the reply_port from the VM internal message object.

runtime/bin/vmservice/message.dart

Index: runtime/bin/vmservice/message.dart
===================================================================
--- runtime/bin/vmservice/message.dart	(revision 31195)
+++ runtime/bin/vmservice/message.dart	(working copy)
@@ -62,8 +62,8 @@
     };
     var keys = options.keys.toList();
     var values = options.values.toList();
-    var request = [path, keys, values];
-    sendServiceMessage(sendPort, receivePort, request);
+    var request = [receivePort.sendPort, path, keys, values];
+    sendServiceMessage(sendPort, request);
     return _completer.future;
   }