FWL refcounts never incremented (part 2).

xfa/include/fwl/basewidget/fwl_checkbox.h

 // Copyright 2014 PDFium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
 
 #ifndef _FWL_CHECKBOX_H
 #define _FWL_CHECKBOX_H
 class CFWL_WidgetImpProperties;
 class IFWL_Widget;
@@ skipping 50 matching lines @@
 #define FWL_PARTSTATE_CKB_Mask2 (3L << 2)
 #define FWL_EVT_CKB_CheckStateChanged L"FWL_EVENT_CKB_CheckStateChanged"
 #define FWL_EVTHASH_CKB_CheckStateChanged 2503252963
 BEGIN_FWL_EVENT_DEF(CFWL_EvtCkbCheckStateChanged,
                     FWL_EVTHASH_CKB_CheckStateChanged)
 END_FWL_EVENT_DEF
 class IFWL_CheckBoxDP : public IFWL_DataProvider {
  public:
   virtual FX_FLOAT GetBoxSize(IFWL_Widget* pWidget) = 0;
 };
+
 class IFWL_CheckBox : public IFWL_Widget {
  public:
-  IFWL_CheckBox();
-  FWL_ERR Initialize(const CFWL_WidgetImpProperties& properties,
-                     IFWL_Widget* pOuter);
+  static IFWL_CheckBox* Create(const CFWL_WidgetImpProperties& properties,
+                               IFWL_Widget* pOuter);
   int32_t GetCheckState();
   FWL_ERR SetCheckState(int32_t iCheck);
 
+ protected:
+  IFWL_CheckBox();
 };
+
 class IFWL_RadioButton : public IFWL_Widget {
  public:
-  IFWL_RadioButton();
-  FWL_ERR Initialize(const CFWL_WidgetImpProperties& properties,
-                     IFWL_Widget* pOuter);
+  static IFWL_RadioButton* Create(const CFWL_WidgetImpProperties& properties,
+                                  IFWL_Widget* pOuter);
   int32_t GetCheckState();
   FWL_ERR SetCheckState(int32_t iCheck);
+
+ protected:
+  IFWL_RadioButton();
 };
 #endif