anchor.diff:      });
     }
   
  -  // DrawerController _drawerController;
  +  DrawerController _drawerController;
     bool _drawerShowing = false;
   
     void _handleDrawerStatusChanged(bool showing) {
  
positive.code:         data.appendTo(_stocks);
        });
      });
      // _drawerController = new DrawerController(_handleDrawerStatusChanged);
    }
  
    bool _isSearching = false;
  
negative.code:   //         key: 'Help & Feedback',
    //         icon: 'action/help',
    //         children: [new Text('Help & Feedback')])
    //    ]
      );
    }
  
    UINode buildToolBar() {
      return new ToolBar(
          left: new IconButton(
            icon: 'navigation/menu_white',
            onGestureTap: (_) => _drawerController.toggle),
          center: new Text('Stocks'),
          right: [
            new IconButton(
  