SendPort + ReceivePort changes:

tests/isolate/src/MandelIsolateTest.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.
 
 #library('MandelIsolateTest');
 #import('dart:isolate');
 #import('TestFramework.dart');
 
 final TERMINATION_MESSAGE = -1;
 final N = 100;
@@ skipping 70 matching lines @@
 
 
 class LineProcessorClient {
 
   LineProcessorClient(MandelbrotState this._state, int this._id) {
     _out = new LineProcessor().spawn();
   }
 
   void processLine(int y) {
     _out.then((SendPort p) {
-      p.call(y).receive((List<int> message, SendPort replyTo) {
+      p.call(y).then((List<int> message) {
         _state.notifyProcessedLine(this, y, message);
       });
     });
   }
 
   void shutdown() {
     _out.then((SendPort p) {
       p.send(TERMINATION_MESSAGE, null);
     });
   }
@@ skipping 45 matching lines @@
       result[x] = i;
     }
     return result;
   }
 
 }
 
 main() {
   runTests([test]);
 }