RemoveFolderIfOnlyOneItemLeft 1850 ui/app_list/views/apps_grid_view.cc         base::Bind(&AppsGridView::RemoveFolderIfOnlyOneItemLeft,
RemoveFolderIfOnlyOneItemLeft  340 ui/app_list/views/apps_grid_view.h   void RemoveFolderIfOnlyOneItemLeft(const std::string& folder_id);