Remove old isolate API and update all code in the repository to use

tests/isolate/isolate3_negative_test.dart

Index: tests/isolate/isolate3_negative_test.dart
diff --git a/tests/isolate/isolate3_negative_test.dart b/tests/isolate/isolate3_negative_test.dart
index daba708999e063003b938a6e1f7aa1a6851a4f5e..47f599f8de3a134a7e7740100b32175806cb6ecc 100644
--- a/tests/isolate/isolate3_negative_test.dart
+++ b/tests/isolate/isolate3_negative_test.dart
@@ -1,4 +1,4 @@
-// Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
+// Copyright (c) 2012, 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.
 
@@ -17,15 +17,11 @@ class TestClass {
   num fld2;
 }
 
-class Isolate3NegativeTest extends Isolate {
-  Isolate3NegativeTest() : super();
-
-  void main() {
-    this.port.receive((ignored, replyTo) {
-      var tmp = new TestClass.named(10);
-      replyTo.send(tmp, null);
-    });
-  }
+void entry() {
+  port.receive((ignored, replyTo) {
+    var tmp = new TestClass.named(10);
+    replyTo.send(tmp, null);
+  });
 }
 
 main() {
@@ -33,9 +29,7 @@ main() {
     void msg_callback(var message) {
       // This test is a negative test and should not complete successfully.
     }
-    void spawn_callback(SendPort port) {
-      port.call("foo").then(expectAsync(msg_callback));
-    }
-    new Isolate3NegativeTest().spawn().then(expectAsync(spawn_callback));
+    SendPort port = spawnFunction(entry);
+    port.call("foo").then(expectAsync1(msg_callback));
   });
 }