FWL refcounts never incremented (part 1)

xfa/include/fwl/basewidget/fwl_listbox.h

Index: xfa/include/fwl/basewidget/fwl_listbox.h
diff --git a/xfa/include/fwl/basewidget/fwl_listbox.h b/xfa/include/fwl/basewidget/fwl_listbox.h
index 569e00ea0c51086b303c52b63e3680197d280044..cc2fe91feb5d4ab8bab3990d3fd7eef4d0afbc9b 100644
--- a/xfa/include/fwl/basewidget/fwl_listbox.h
+++ b/xfa/include/fwl/basewidget/fwl_listbox.h
@@ -109,7 +109,8 @@ class IFWL_ListBoxCompare {
 };
 class IFWL_ListBox : public IFWL_Widget {
  public:
-  static IFWL_ListBox* Create();
+  IFWL_ListBox();
+
   FWL_ERR Initialize(const CFWL_WidgetImpProperties& properties,
                      IFWL_Widget* pOuter);
   int32_t CountSelItems();
@@ -119,8 +120,5 @@ class IFWL_ListBox : public IFWL_Widget {
   FWL_ERR GetItemText(FWL_HLISTITEM hItem, CFX_WideString& wsText);
   FWL_ERR GetScrollPos(FX_FLOAT& fPos, FX_BOOL bVert = TRUE);
   FWL_ERR* Sort(IFWL_ListBoxCompare* pCom);
-
- protected:
-  IFWL_ListBox();
 };
 #endif