Replace XFA_HWIDGET with IXFA_Widget*

fpdfsdk/include/fsdk_baseannot.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 FPDFSDK_INCLUDE_FSDK_BASEANNOT_H_
 #define FPDFSDK_INCLUDE_FSDK_BASEANNOT_H_
 
 #if _FX_OS_ == _FX_ANDROID_
@@ skipping 65 matching lines @@
     virtual ~CPDFSDK_Annot() {};
 public:
         virtual FX_BOOL                         IsXFAField() { return FALSE; }
 
         virtual FX_FLOAT                        GetMinWidth() const;
         virtual FX_FLOAT                        GetMinHeight() const;
         //define layout order to 5.
         virtual int                                     GetLayoutOrder() const { return 5; }
 
         virtual CPDF_Annot*                     GetPDFAnnot() { return NULL; }
-        virtual XFA_HWIDGET                     GetXFAWidget() { return NULL; }
+        virtual IXFA_Widget*            GetXFAWidget() { return NULL; }
         
         virtual CFX_ByteString          GetType() const { return ""; }
         virtual CFX_ByteString          GetSubType() const { return ""; }
 
         virtual void                            SetRect(const CPDF_Rect& rect) {}
         virtual CPDF_Rect                       GetRect() const { return CPDF_Rect(); }
 
         virtual void                            Annot_OnDraw(CFX_RenderDevice* pDevice, CPDF_Matrix* pUser2Device,CPDF_RenderOptions* pOptions) {}
 
 public:
@@ skipping 110 matching lines @@
                 const CPDF_Matrix& matrix, const CFX_ByteString& sContents,
                 const CFX_ByteString& sAPState = "");
 
 private:
         FX_BOOL CreateFormFiller();
 protected:
         CPDF_Annot*                     m_pAnnot;
 };
 
 #endif  // FPDFSDK_INCLUDE_FSDK_BASEANNOT_H_