anchor.diff:    String _gistId;
   
     Future createNewGist() {
  -      return null;
  +    return null;
     }
   
     ModuleManager modules = new ModuleManager();
  
positive.code:     } else {
        _resetToast = new PaperToast();
      }
        _resetToast.duration = 3000;
      }
  
    void registerMessageDialog() {
      if ($("#messageDialog") != null) {
  
negative.code: 
    void registerSelectorTabs() {
      if ($("#selector-tabs") != null) {
        _tabs = new PaperTabs.from($("#selector-tabs"));
        _tabs.ironSelect.listen((_) {
          String name = _tabs.selectedName;
          ga.sendEvent('edit', name);
          _context.switchTo(name);
        });
      }
    }
  