Remove typdefs for pointer types in fx_system.h

fpdfsdk/include/pdfwindow/PWL_Signature.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_PDFWINDOW_PWL_SIGNATURE_H_
 #define FPDFSDK_INCLUDE_PDFWINDOW_PWL_SIGNATURE_H_
 
 #include "PWL_Icon.h"
@@ skipping 20 matching lines @@
 private:
         CFX_DIBSource*                                          m_pImage;
 };
 
 class PWL_CLASS CPWL_Signature : public CPWL_Wnd
 {
 public:
         CPWL_Signature();
         virtual ~CPWL_Signature();
 
-        void                                                            SetText(FX_LPCWSTR sText);
-        void                                                            SetDescription(FX_LPCWSTR string);
+        void                                                            SetText(const FX_WCHAR* sText);
+        void                                                            SetDescription(const FX_WCHAR* string);
         void                                                            SetImage(CFX_DIBSource* pImage);
-        void                                                            SetImageStream(CPDF_Stream * pStream, FX_LPCSTR sImageAlias);
+        void                                                            SetImageStream(CPDF_Stream * pStream, const FX_CHAR* sImageAlias);
 
         void                                                            SetTextFlag(FX_BOOL bTextExist);
         void                                                            SetImageFlag(FX_BOOL bImageExist);
         void                                                            SetFoxitFlag(FX_BOOL bFlagExist);
 
 protected:
         virtual void                                            RePosChildWnd();
         virtual void                                            CreateChildWnd(const PWL_CREATEPARAM & cp);
 
         virtual void                                            DrawThisAppearance(CFX_RenderDevice* pDevice, CPDF_Matrix* pUser2Device);
         virtual void                                            GetThisAppearanceStream(CFX_ByteTextBuf & sAppStream);
 
 private:
         CPWL_Label*                                                     m_pText;
         CPWL_Label*                                                     m_pDescription;
         CPWL_Signature_Image*                           m_pImage;
 
         FX_BOOL                                                         m_bTextExist;
         FX_BOOL                                                         m_bImageExist;
         FX_BOOL                                                         m_bFlagExist;
 };
 
 #endif  // FPDFSDK_INCLUDE_PDFWINDOW_PWL_SIGNATURE_H_