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

core/src/fxcodec/jbig2/JBig2_Context.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_SRC_FXCODEC_JBIG2_JBIG2_CONTEXT_H_
 #define CORE_SRC_FXCODEC_JBIG2_JBIG2_CONTEXT_H_
 
 #include <list>
+#include <memory>
 #include <utility>
 
 #include "JBig2_List.h"
 #include "JBig2_Page.h"
 #include "JBig2_Segment.h"
 #include "core/include/fpdfapi/fpdf_objects.h"
 #include "core/include/fxcodec/fx_codec_def.h"
-#include "third_party/base/nonstd_unique_ptr.h"
 
 class CJBig2_ArithDecoder;
 class CJBig2_GRDProc;
 class IFX_Pause;
 
 // Cache is keyed by the ObjNum of a stream and an index within the stream.
 using CJBig2_CacheKey = std::pair<FX_DWORD, FX_DWORD>;
 // NB: CJBig2_SymbolDict* is owned.
 using CJBig2_CachePair = std::pair<CJBig2_CacheKey, CJBig2_SymbolDict*>;
 
@@ skipping 74 matching lines @@
 
   JBig2HuffmanCode* decodeSymbolIDHuffmanTable(CJBig2_BitStream* pStream,
                                                FX_DWORD SBNUMSYMS);
 
   void huffman_assign_code(int* CODES, int* PREFLEN, int NTEMP);
 
   void huffman_assign_code(JBig2HuffmanCode* SBSYMCODES, int NTEMP);
 
  private:
   CJBig2_Context* m_pGlobalContext;
-  nonstd::unique_ptr<CJBig2_BitStream> m_pStream;
+  std::unique_ptr<CJBig2_BitStream> m_pStream;
   CJBig2_List<CJBig2_Segment> m_SegmentList;
   CJBig2_List<JBig2PageInfo> m_PageInfoList;
-  nonstd::unique_ptr<CJBig2_Image> m_pPage;
+  std::unique_ptr<CJBig2_Image> m_pPage;
   size_t m_nSegmentDecoded;
   bool m_bInPage;
   bool m_bBufSpecified;
   int32_t m_PauseStep;
   IFX_Pause* m_pPause;
   FXCODEC_STATUS m_ProcessingStatus;
-  nonstd::unique_ptr<CJBig2_ArithDecoder> m_pArithDecoder;
-  nonstd::unique_ptr<CJBig2_GRDProc> m_pGRD;
+  std::unique_ptr<CJBig2_ArithDecoder> m_pArithDecoder;
+  std::unique_ptr<CJBig2_GRDProc> m_pGRD;
   JBig2ArithCtx* m_gbContext;
-  nonstd::unique_ptr<CJBig2_Segment> m_pSegment;
+  std::unique_ptr<CJBig2_Segment> m_pSegment;
   FX_DWORD m_dwOffset;
   JBig2RegionInfo m_ri;
   std::list<CJBig2_CachePair>* const m_pSymbolDictCache;
   bool m_bIsGlobal;
 };
 
 #endif  // CORE_SRC_FXCODEC_JBIG2_JBIG2_CONTEXT_H_