Fix Windows build after commit 9c62cadff466.

core/include/fpdfdoc/fpdf_doc.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_FPDFDOC_FPDF_DOC_H_
 #define CORE_INCLUDE_FPDFDOC_FPDF_DOC_H_
 
 #include <map>
@@ skipping 535 matching lines @@
 
   static CPDF_Font* AddStandardFont(CPDF_Document* pDocument,
                                     CFX_ByteString csFontName);
 
   static CFX_ByteString GetNativeFont(uint8_t iCharSet, void* pLogFont = NULL);
 
   static CFX_ByteString GetNativeFont(void* pLogFont = NULL);
 
   static uint8_t GetNativeCharSet();
 
-  static CPDF_Font* AddNativeFont(uint8_t iCharSet,
-                                  const CPDF_Document* pDocument);
+  static CPDF_Font* AddNativeFont(uint8_t iCharSet, CPDF_Document* pDocument);
 
-  static CPDF_Font* AddNativeFont(const CPDF_Document* pDocument);
+  static CPDF_Font* AddNativeFont(CPDF_Document* pDocument);
 
   FX_BOOL ValidateFieldName(CFX_WideString& csNewFieldName, int iType);
 
   FX_BOOL ValidateFieldName(const CPDF_FormField* pField,
                             CFX_WideString& csNewFieldName);
 
   FX_BOOL ValidateFieldName(const CPDF_FormControl* pControl,
                             CFX_WideString& csNewFieldName);
 
   FX_DWORD CountFields(const CFX_WideString& csFieldName = L"");
@@ skipping 588 matching lines @@
   CFX_WideString GetCaption(const CFX_ByteStringC& csEntry) const;
 
   CPDF_Stream* GetIcon(const CFX_ByteStringC& csEntry) const;
 
   CPDF_Dictionary* const m_pDict;
 };
 
 CFX_WideString FILESPEC_EncodeFileName(const CFX_WideStringC& filepath);
 
 #endif  // CORE_INCLUDE_FPDFDOC_FPDF_DOC_H_