(function() {

//стоп, если функция уже выполнялась
if (document.getElementById("placesContext_sortBy:LocationAndName")) return;

//....
var menuitem = document.createElement("menuitem");
menuitem.id = "placesContext_sortBy:LocationAndName";
menuitem.setAttribute("label", "Сортировать по типу, домену и названию");
menuitem.setAttribute("oncommand", "event.stopPropagation(); sortBookmark(event);");
SortByName = document.getElementById("placesContext_sortBy:name") 
SortByName.parentNode.insertBefore(menuitem, SortByName );

//....
sortBookmark = function(event){
try {
var view=PlacesUIUtils.getViewForNode(document.popupNode);
var folderId=view.selectedNode.itemId;
var mDBConn = Cc["@mozilla.org/browser/nav-history-service;1"].getService(Ci.nsPIPlacesDatabase).DBConnection;
var domainFunc = 
{
  onFunctionCall: function(aArguments)
  {
    let url = aArguments.getString(0);
    return url ? url.split(/\/+/g)[1] : "";
  }
}
mDBConn.createFunction("get_domain", 1, domainFunc);
var stmt=mDBConn.createStatement("select s.id from (SELECT id,type,title,'' url,'' domain FROM moz_bookmarks where parent=:parent and type=2 union all "+
  "SELECT b.id,b.type,b.title,p.url,get_domain(p.url) domain FROM moz_bookmarks b,moz_places p where b.parent=:parent and b.type=1 and p.id=b.fk) s "+
  "order by type desc,lower(domain),lower(title)");
stmt.params.parent=folderId;
var newOrder=[];
while(stmt.step()) newOrder.push(stmt.row.id);
stmt.finalize();
mDBConn.removeFunction("get_domain");
let callback = {
  runBatched: function() {
    for (let i = 0; i < newOrder.length; ++i) {
      PlacesUtils.bookmarks.setItemIndex(newOrder[i], i);
    }
  }
};
PlacesUtils.bookmarks.runInBatchMode(callback, null);
} catch(err) { Components.utils.reportError("Places sorting error: "+err); }
};

//.....
document.getElementById("placesContext").addEventListener("popupshowing", function(event){
var view=PlacesUIUtils.getViewForNode(document.popupNode);
var selectedNode = view.selectedNode;
var isEnabled = selectedNode &&
       PlacesUtils.nodeIsFolder(selectedNode) &&
       !PlacesUtils.nodeIsReadOnly(selectedNode) &&
       this._view.result.sortingMode ==
           Ci.nsINavHistoryQueryOptions.SORT_BY_NONE;
document.getElementById("placesContext_sortBy:LocationAndName").collapsed=!isEnabled;
}, false);

})();