Remove typdefs for pointer types in fx_system.h

core/include/fxge/fx_ge_win32.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 CORE_INCLUDE_FXGE_FX_GE_WIN32_H_
 #define CORE_INCLUDE_FXGE_FX_GE_WIN32_H_
 
 #ifdef _WIN32
 #ifndef _WINDOWS_
 #include <windows.h>
 #endif
 #define WINDIB_OPEN_MEMORY    0x1
 #define WINDIB_OPEN_PATHNAME  0x2
 typedef struct  WINDIB_Open_Args_ {
 
     int         flags;
 
     const uint8_t*  memory_base;
 
     size_t    memory_size;
 
-    FX_LPCWSTR  path_name;
+    const FX_WCHAR*  path_name;
 } WINDIB_Open_Args_;
 class CFX_WindowsDIB : public CFX_DIBitmap
 {
 public:
 
     static CFX_ByteString       GetBitmapInfo(const CFX_DIBitmap* pBitmap);
 
     static CFX_DIBitmap* LoadFromBuf(BITMAPINFO* pbmi, void* pData);
 
     static HBITMAP              GetDDBitmap(const CFX_DIBitmap* pBitmap, HDC hDC);
 
     static CFX_DIBitmap* LoadFromDDB(HDC hDC, HBITMAP hBitmap, FX_DWORD* pPalette = NULL, FX_DWORD size = 256);
 
-    static CFX_DIBitmap* LoadFromFile(FX_LPCWSTR filename);
+    static CFX_DIBitmap* LoadFromFile(const FX_WCHAR* filename);
 
-    static CFX_DIBitmap* LoadFromFile(FX_LPCSTR filename)
+    static CFX_DIBitmap* LoadFromFile(const FX_CHAR* filename)
     {
         return LoadFromFile(CFX_WideString::FromLocal(filename).c_str());
     }
 
     static CFX_DIBitmap* LoadDIBitmap(WINDIB_Open_Args_ args);
 
     CFX_WindowsDIB(HDC hDC, int width, int height);
 
     ~CFX_WindowsDIB();
 
@@ skipping 47 matching lines @@
 
     HBITMAP     m_hBitmap;
 
     HBITMAP m_hOldBitmap;
 
     HDC         m_hDC;
 };
 #endif
 
 #endif  // CORE_INCLUDE_FXGE_FX_GE_WIN32_H_