goToBackForwardListItem     
  Loads the specific history item @list_item.
You can monitor the load operation by connecting to #WebKitWebView::load-changed signal.
Parameters
listItem 
a #WebKitBackForwardListItem
Loads the specific history item @list_item.
You can monitor the load operation by connecting to #WebKitWebView::load-changed signal.
a #WebKitBackForwardListItem