Track live instance and allocation counts for classes

runtime/bin/vmservice/client/lib/src/observatory/request_manager.dart

 // Copyright (c) 2013, 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.
 
 part of observatory;
 
 /// A request response interceptor is called for each response.
 typedef void RequestResponseInterceptor();
 
 abstract class RequestManager extends Observable {
@@ skipping 247 matching lines @@
     window.onMessage.listen(_messageHandler);
   }
 
   void _messageHandler(msg) {
     var id = msg.data['id'];
     var name = msg.data['name'];
     var data = msg.data['data'];
     if (name != 'observatoryData') {
       return;
     }
-    print('Got reply $id $data');
     var completer = _outstandingRequests[id];
     if (completer != null) {
       _outstandingRequests.remove(id);
       print('Completing $id');
       completer.complete(data);
     } else {
       print('Could not find completer for $id');
     }
   }
 
   Future<String> request(String requestString) {
     var idString = '$_requestSerial';
     Map message = {};
     message['id'] = idString;
     message['method'] = 'observatoryQuery';
     message['query'] = requestString;
     _requestSerial++;
 
     var completer = new Completer();
     _outstandingRequests[idString] = completer;
 
     window.parent.postMessage(JSON.encode(message), '*');
     return completer.future;
   }
 }