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

core/src/fxcodec/jbig2/JBig2_HtrdProc.cpp

 // Copyright 2015 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
 
 #include "JBig2_HtrdProc.h"
 
+#include <memory>
+
 #include "JBig2_GsidProc.h"
 #include "core/include/fxcrt/fx_basic.h"
-#include "third_party/base/nonstd_unique_ptr.h"
 
 CJBig2_Image* CJBig2_HTRDProc::decode_Arith(CJBig2_ArithDecoder* pArithDecoder,
                                             JBig2ArithCtx* gbContext,
                                             IFX_Pause* pPause) {
   FX_DWORD ng, mg;
   int32_t x, y;
   FX_DWORD HBPP;
   FX_DWORD* GI;
-  nonstd::unique_ptr<CJBig2_Image> HSKIP;
-  nonstd::unique_ptr<CJBig2_Image> HTREG(new CJBig2_Image(HBW, HBH));
+  std::unique_ptr<CJBig2_Image> HSKIP;
+  std::unique_ptr<CJBig2_Image> HTREG(new CJBig2_Image(HBW, HBH));
   HTREG->fill(HDEFPIXEL);
   if (HENABLESKIP == 1) {
     HSKIP.reset(new CJBig2_Image(HGW, HGH));
     for (mg = 0; mg < HGH; mg++) {
       for (ng = 0; ng < HGW; ng++) {
         x = (HGX + mg * HRY + ng * HRX) >> 8;
         y = (HGY + mg * HRX - ng * HRY) >> 8;
         if ((x + HPW <= 0) | (x >= (int32_t)HBW) | (y + HPH <= 0) |
             (y >= (int32_t)HPH)) {
           HSKIP->setPixel(ng, mg, 1);
         } else {
           HSKIP->setPixel(ng, mg, 0);
         }
       }
     }
   }
   HBPP = 1;
   while ((FX_DWORD)(1 << HBPP) < HNUMPATS) {
     HBPP++;
   }
-  nonstd::unique_ptr<CJBig2_GSIDProc> pGID(new CJBig2_GSIDProc());
+  std::unique_ptr<CJBig2_GSIDProc> pGID(new CJBig2_GSIDProc());
   pGID->GSMMR = HMMR;
   pGID->GSW = HGW;
   pGID->GSH = HGH;
   pGID->GSBPP = (uint8_t)HBPP;
   pGID->GSUSESKIP = HENABLESKIP;
   pGID->GSKIP = HSKIP.get();
   pGID->GSTEMPLATE = HTEMPLATE;
   GI = pGID->decode_Arith(pArithDecoder, gbContext, pPause);
   if (!GI)
     return nullptr;
@@ skipping 11 matching lines @@
   }
   FX_Free(GI);
   return HTREG.release();
 }
 
 CJBig2_Image* CJBig2_HTRDProc::decode_MMR(CJBig2_BitStream* pStream,
                                           IFX_Pause* pPause) {
   FX_DWORD ng, mg;
   int32_t x, y;
   FX_DWORD* GI;
-  nonstd::unique_ptr<CJBig2_Image> HTREG(new CJBig2_Image(HBW, HBH));
+  std::unique_ptr<CJBig2_Image> HTREG(new CJBig2_Image(HBW, HBH));
   HTREG->fill(HDEFPIXEL);
   FX_DWORD HBPP = 1;
   while ((FX_DWORD)(1 << HBPP) < HNUMPATS) {
     HBPP++;
   }
-  nonstd::unique_ptr<CJBig2_GSIDProc> pGID(new CJBig2_GSIDProc());
+  std::unique_ptr<CJBig2_GSIDProc> pGID(new CJBig2_GSIDProc());
   pGID->GSMMR = HMMR;
   pGID->GSW = HGW;
   pGID->GSH = HGH;
   pGID->GSBPP = (uint8_t)HBPP;
   pGID->GSUSESKIP = 0;
   GI = pGID->decode_MMR(pStream, pPause);
   if (!GI)
     return nullptr;
 
   for (mg = 0; mg < HGH; mg++) {
     for (ng = 0; ng < HGW; ng++) {
       x = (HGX + mg * HRY + ng * HRX) >> 8;
       y = (HGY + mg * HRX - ng * HRY) >> 8;
       FX_DWORD pat_index = GI[mg * HGW + ng];
       if (pat_index >= HNUMPATS) {
         pat_index = HNUMPATS - 1;
       }
       HTREG->composeFrom(x, y, HPATS[pat_index], HCOMBOP);
     }
   }
   FX_Free(GI);
   return HTREG.release();
 }