SendPort + ReceivePort changes:

tests/isolate/src/Isolate3NegativeTest.dart

 // 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.
 
 // Dart test program for testing that errors thrown from isolates are
 // processed correctly and don't result in crashes.
 
 #library('Isolate3NegativeTest');
 #import('dart:isolate');
 #import('TestFramework.dart');
@@ skipping 11 matching lines @@
 
   void main() {
     this.port.receive((ignored, replyTo) {
       var tmp = new TestClass.named(10);
       replyTo.send(tmp, null);
     });
   }
 }
 
 void test(TestExpectation expect) {
-  void msg_callback(var message, SendPort replyTo) {
+  void msg_callback(var message) {
     // This test is a negative test and should not complete successfully.
   }
   void spawn_callback(SendPort port) {
-    port.call("foo").receive(expect.runs2(msg_callback));
+    port.call("foo").then(expect.runs1(msg_callback));
   }
   expect.completes(new Isolate3NegativeTest().spawn()).then(spawn_callback);
 }
 
 main() {
   runTests([test]);
 }