     @storageKey = @composeStorageKey()
     @filteringText = ''
     @filteringTextEl = null
-    @storage = new wzk.stor.LocalStorage @dom.getWindow()['localStorage']
+    @storage = new wzk.stor.LocalStorage(@dom.getWindow()['localStorage'])
 
   ###*
     @param {Element} el

    @cols = @getOrCreateState()

    @filterStates = @getInitialFilterStates()
    @filteringTextEl = @dom.getElement([wzk.ui.grid.GridColumnsManager.CLS.COLUMNS_FILTERING_TEXT, @grid.table.id].join('-'))
    unless @filteringTextEl
      @dom.getWindow().console.warn('Missing filtering text element for #' + @el.id)
      return

    @protected
  ###
  showOrHideHeader: =>
    for header in @headers
      if @cols[header.className]?
        goog.style.setElementShown(header, @cols[header.className])

  ###*
    @protected
