Bug 673958 - rework accessible focus handling, r=enndeaking, marcoz, tbsaunde, matspal, f=marcoz

layout/forms/nsIListControlFrame.h

@@ -69,6 +69,12 @@ public:
    */
   virtual PRInt32 GetSelectedIndex() = 0;
 
+  /**
+   * Return current option. The current option is the option displaying
+   * the focus ring when the listbox is focused.
+   */
+  virtual already_AddRefed<nsIContent> GetCurrentOption() = 0;
+
   /**
    * Initiates mouse capture for the listbox
    *