Fix a TODO (remove assignment to a local variable).

runtime/vm/snapshot_test.dart

 // 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.
 
 import 'dart:isolate';
 import 'dart:async';
 
 class Expect {
   static void equals(x, y) {
     if (x != y) throw new ArgumentError('not equal');
@@ skipping 1295 matching lines @@
     }
   });
 }
 
 message_test_main() {
   test("send objects and receive them back", () {
     SendPort remote = spawnFunction(pingPong);
     // Send objects and receive them back.
     for (int i = 0; i < MessageTest.elms.length; i++) {
       var sentObject = MessageTest.elms[i];
-      // TODO(asiva): remove this local var idx once thew new for-loop
-      // semantics for closures is implemented.
-      var idx = i;
       remote.call(sentObject).then(expectAsync1((var receivedObject) {
-        MessageTest.VerifyObject(idx, receivedObject);
+        MessageTest.VerifyObject(i, receivedObject);
       }));
     }
 
     // Send recursive objects and receive them back.
     List local_list1 = ["Hello", "World", "Hello", 0xffffffffff];
     List local_list2 = [null, local_list1, local_list1 ];
     List local_list3 = [local_list2, 2.0, true, false, 0xffffffffff];
     List sendObject = new List(5);
     sendObject[0] = local_list1;
     sendObject[1] = sendObject;
@@ skipping 225 matching lines @@
 void processLines() {
   port.receive((message, SendPort replyTo) {
     if (message == TERMINATION_MESSAGE) {
       assert(replyTo == null);
       port.close();
     } else {
       replyTo.send(processLine(message), null);
     }
   });
 }