convert isolates to use Future

tests/isolate/src/Mixed2Test.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 heavy and light isolates can be mixed.
 
 #library('Mixed2Test');
 #import('TestFramework.dart');
 
 // We want to send a message from the main-isolate to a chain of different
@@ skipping 15 matching lines @@
         this.port.close();
       });
     });
   }
 }
 
 class HeavyIsolate1 extends Isolate {
   HeavyIsolate1() : super.heavy();
 
   void main() {
-    Promise<SendPort> light1 = new LightRedirect().spawn();
-    Promise<SendPort> light2 = new LightRedirect().spawn();
-    Promise<SendPort> light3 = new LightRedirect().spawn();
+    Future<SendPort> light1 = new LightRedirect().spawn();
+    Future<SendPort> light2 = new LightRedirect().spawn();
+    Future<SendPort> light3 = new LightRedirect().spawn();
 
     this.port.receive((SendPort heavy2Light1Port, ignored) {
       light3.then((SendPort light3Port) {
         light3Port.send(heavy2Light1Port, null);
         light2.then((SendPort light2Port) {
           light2Port.send(light3Port, null);
           light1.then((SendPort light1Port) {
             light1Port.send(light2Port, null);
             // Next message we receive is the one that must go through the
             // chain.
             this.port.receive((msg, SendPort replyTo) {
               light1Port.send(msg + 1, replyTo);
               this.port.close();
             });
           });
         });
       });
     });
   }
 }
 
 class HeavyIsolate2 extends Isolate {
   HeavyIsolate2() : super.heavy();
 
   void main() {
-    Promise<SendPort> light1 = new LightRedirect().spawn();
-    Promise<SendPort> light2 = new LightRedirect().spawn();
-    Promise<SendPort> light3 = new LightRedirect().spawn();
+    Future<SendPort> light1 = new LightRedirect().spawn();
+    Future<SendPort> light2 = new LightRedirect().spawn();
+    Future<SendPort> light3 = new LightRedirect().spawn();
 
     this.port.receive((heavy3Port, replyWithLight1Port) {
       light3.then((SendPort light3Port) {
         light3Port.send(heavy3Port, null);
         light2.then((SendPort light2Port) {
           light2Port.send(light3Port, null);
           light1.then((SendPort light1Port) {
             light1Port.send(light2Port, null);
             replyWithLight1Port.send(light1Port, null);
             this.port.close();
@@ skipping 12 matching lines @@
       replyTo.send(msg + 499, null);
       this.port.close();
     });
   }
 }
 
 class HeavyIsolate3 extends Isolate {
   HeavyIsolate3() : super.heavy();
 
   void main() {
-    Promise<SendPort> pong = new LightPong().spawn();
+    Future<SendPort> pong = new LightPong().spawn();
     this.port.receive((msg, replyTo) {
       pong.then((SendPort pongPort) {
         pongPort.send(msg + 30, replyTo);
         this.port.close();
       });
     });
   }
 }
 
 void test(TestExpectation expect) {
@@ skipping 15 matching lines @@
           }));
         }));
       }));
     }));
   }));
 }
 
 main() {
   runTests([test]);
 }