Switch from nonstd::unique_ptr to std::unique_ptr.

core/include/fpdfapi/fpdf_parser.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_FPDFAPI_FPDF_PARSER_H_
 #define CORE_INCLUDE_FPDFAPI_FPDF_PARSER_H_
 
 #include <map>
+#include <memory>
 
 #include "core/include/fxcrt/fx_system.h"
 #include "fpdf_objects.h"
-#include "third_party/base/nonstd_unique_ptr.h"
 
 class CFDF_Document;
 class CFDF_Parser;
 class CFX_DIBSource;
 class CFX_FloatRect;
 class CFX_Font;
 class CFX_Matrix;
 class CFX_PrivateData;
 class CPDF_ColorSpace;
 class CPDF_CryptoHandler;
@@ skipping 315 matching lines @@
   FX_DWORD m_HeaderOffset;
 
   FX_FILESIZE m_FileLen;
 
   uint8_t* m_pFileBuf;
 
   FX_DWORD m_BufSize;
 
   FX_FILESIZE m_BufOffset;
 
-  nonstd::unique_ptr<CPDF_CryptoHandler> m_pCryptoHandler;
+  std::unique_ptr<CPDF_CryptoHandler> m_pCryptoHandler;
 
   uint8_t m_WordBuffer[257];
 
   FX_DWORD m_WordSize;
 
   FX_BOOL m_bIsNumber;
 
   FX_FILESIZE m_dwWordPos;
 };
 
@@ skipping 128 matching lines @@
 
   CPDF_Dictionary* m_pTrailer;
 
   CPDF_Dictionary* m_pEncryptDict;
   void SetEncryptDictionary(CPDF_Dictionary* pDict);
 
   FX_FILESIZE m_LastXRefOffset;
 
   FX_BOOL m_bXRefStream;
 
-  nonstd::unique_ptr<CPDF_SecurityHandler> m_pSecurityHandler;
+  std::unique_ptr<CPDF_SecurityHandler> m_pSecurityHandler;
 
   FX_BOOL m_bForceUseSecurityHandler;
 
   CFX_ByteString m_bsRecipient;
 
   CFX_ByteString m_FilePath;
 
   CFX_ByteString m_Password;
 
   struct ObjectInfo {
@@ skipping 486 matching lines @@
                        FX_DWORD src_size,
                        const CPDF_Dictionary* pDict,
                        uint8_t*& dest_buf,
                        FX_DWORD& dest_size,
                        CFX_ByteString& ImageEncoding,
                        CPDF_Dictionary*& pImageParms,
                        FX_DWORD estimated_size,
                        FX_BOOL bImageAcc);
 
 #endif  // CORE_INCLUDE_FPDFAPI_FPDF_PARSER_H_