anchor.diff:      // probably comes from FSEvents reporting an add that happened prior to the
       // watch beginning.
       if (type == ChangeType.ADD && _files.contains(path)) return;
  -
  -    if (_runningOnBuildbot) {
  -      print("emitting $type ${p.relative(path, from: directory)}");
  -    }
   
       _eventsController.add(new WatchEvent(type, path));
     }
  
positive.code:     }, cancelOnError: cancelOnError);
      _subscriptions.add(subscription);
    }
  
    /// Return a human-friendly string representation of [event].
    String _formatEvent(FileSystemEvent event) {
      if (event == null) return 'null';
  
      var path = p.relative(event.path, from: directory);
      var type = event.isDirectory ? 'directory' : 'file';
      if (event is FileSystemCreateEvent) {
        return "create $type $path";
      } else if (event is FileSystemDeleteEvent) {
        return "delete $type $path";
      } else if (event is FileSystemModifyEvent) {
        return "modify $type $path";
      } else if (event is FileSystemMoveEvent) {
        return "move $type $path to "
            "${p.relative(event.destination, from: directory)}";
      }
    }
  
    // TODO(nweiz): remove this when the buildbots calm down.
    /// Whether this code is running on a buildbot.
    bool get _runningOnBuildbot =>
      Platform.environment['LOGNAME'] == 'chrome-bot';
  }
  
negative.code:         }
        }
      });
    }
  
    /// Sort all the events in a batch into sets based on their path.
  