Add missing toInt call

runtime/observatory/lib/src/service/object.dart

 // Copyright (c) 2014, 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 service;
 
 /// Helper function for canceling a Future<StreamSubscription>.
 Future cancelFutureSubscription(
     Future<StreamSubscription> subscriptionFuture) async {
   if (subscriptionFuture != null) {
@@ skipping 1688 matching lines @@
         map['_debuggerSettings']['_exceptions'] != null) {
       exceptions = map['_debuggerSettings']['_exceptions'];
     }
     if (map['bytes'] != null) {
       var bytes = decodeBase64(map['bytes']);
       bytesAsString = UTF8.decode(bytes);
     }
     if (map['logRecord'] != null) {
       logRecord = map['logRecord'];
       logRecord['time'] =
-          new DateTime.fromMillisecondsSinceEpoch(logRecord['time']);
+          new DateTime.fromMillisecondsSinceEpoch(logRecord['time'].toInt());
       logRecord['level'] = _findLogLevel(logRecord['level']);
     }
   }
 
   String toString() {
     if (data == null) {
       return "ServiceEvent(owner='${owner.id}', kind='${kind}')";
     } else {
       return "ServiceEvent(owner='${owner.id}', kind='${kind}', "
           "data.lengthInBytes=${data.lengthInBytes})";
@@ skipping 1881 matching lines @@
     var v = list[i];
     if ((v is ObservableMap) && _isServiceMap(v)) {
       list[i] = owner.getFromMap(v);
     } else if (v is ObservableList) {
       _upgradeObservableList(v, owner);
     } else if (v is ObservableMap) {
       _upgradeObservableMap(v, owner);
     }
   }
 }