Give isolates names to be used during debugging.

runtime/vm/message_queue_test.cc

 // 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.
 
 #include "platform/assert.h"
 #include "vm/message_queue.h"
 #include "vm/unit_test.h"
 
 namespace dart {
 
@@ skipping 47 matching lines @@
 }
 
 
 // A thread which receives an expected sequence of messages.
 static Monitor* sync = NULL;
 static MessageQueue* shared_queue = NULL;
 void MessageReceiver_start(uword unused) {
   // We only need an isolate here because the MonitorLocker in the
   // MessageQueue expects it, we don't need to initialize the isolate
   // as it does not run any dart code.
-  Dart::CreateIsolate();
+  Dart::CreateIsolate(NULL);
 
   // Create a message queue and share it.
   MessageQueue* queue = new MessageQueue();
   MessageQueueTestPeer peer(queue);
   shared_queue = queue;
 
   // Tell the other thread that the shared queue is ready.
   {
     MonitorLocker ml(sync);
     ml.Notify();
@@ skipping 148 matching lines @@
 
   EXPECT(!queue_peer.HasMessage());
   queue.Flush(port1);
 
   // Queue is still empty.
   EXPECT(!queue_peer.HasMessage());
 }
 
 
 }  // namespace dart