code: function() {
        var t = this, path = t.get('path');
        t.watcher = FileProbe.watchLoad(path, {persistent: true}, function(error, content) {
          if (!error) {
            t.set('text', content);
          }
        });
      }
docs: Watch the file for changes
  
  This sets up a watcher for the file specified in the ```path``` element.
  It is called by the constructor if the ```watchFile``` data element is true.
  
  @private
  @method _watchFile