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

R=thakis@chromium.org

Review URL: https://codereview.chromium.org/1547833002 .

31 files changed, 220 insertions, 218 deletions

diff --git a/core/src/fpdfapi/fpdf_edit/fpdf_edit_doc.cpp b/core/src/fpdfapi/fpdf_edit/fpdf_edit_doc.cpp
index 9c96a3027c..e1c39fbb16 100644
--- a/core/src/fpdfapi/fpdf_edit/fpdf_edit_doc.cpp
+++ b/core/src/fpdfapi/fpdf_edit/fpdf_edit_doc.cpp
@@ -846,7 +846,7 @@ CPDF_Font* CPDF_Document::AddFont(CFX_Font* pFont, int charset, FX_BOOL bVert) {
   }
   CPDF_Dictionary* pBaseDict = new CPDF_Dictionary;
   pBaseDict->SetAtName("Type", "Font");
-  nonstd::unique_ptr<CFX_UnicodeEncoding> pEncoding(
+  std::unique_ptr<CFX_UnicodeEncoding> pEncoding(
       new CFX_UnicodeEncoding(pFont));
   CPDF_Dictionary* pFontDict = pBaseDict;
   if (!bCJK) {
diff --git a/core/src/fpdfapi/fpdf_font/fpdf_font.cpp b/core/src/fpdfapi/fpdf_font/fpdf_font.cpp
index a3de6f2777..003825b898 100644
--- a/core/src/fpdfapi/fpdf_font/fpdf_font.cpp
+++ b/core/src/fpdfapi/fpdf_font/fpdf_font.cpp
@@ -1700,7 +1700,7 @@ CPDF_Type3Char* CPDF_Type3Font::LoadChar(FX_DWORD charcode, int level) {
   if (!pStream)
     return nullptr;
 
-  nonstd::unique_ptr<CPDF_Type3Char> pNewChar(new CPDF_Type3Char(new CPDF_Form(
+  std::unique_ptr<CPDF_Type3Char> pNewChar(new CPDF_Type3Char(new CPDF_Form(
       m_pDocument, m_pFontResources ? m_pFontResources : m_pPageResources,
       pStream, nullptr)));
 
diff --git a/core/src/fpdfapi/fpdf_font/ttgsubtable.cpp b/core/src/fpdfapi/fpdf_font/ttgsubtable.cpp
index b10aa6952a..09930bee2d 100644
--- a/core/src/fpdfapi/fpdf_font/ttgsubtable.cpp
+++ b/core/src/fpdfapi/fpdf_font/ttgsubtable.cpp
@@ -6,9 +6,10 @@
 
 #include "ttgsubtable.h"
 
+#include <memory>
+
 #include "core/include/fxge/fx_freetype.h"
 #include "core/include/fxge/fx_ge.h"
-#include "third_party/base/nonstd_unique_ptr.h"
 #include "third_party/base/stl_util.h"
 
 CFX_GlyphMap::CFX_GlyphMap() {}
@@ -405,7 +406,7 @@ IFX_GSUBTable* IFX_GSUBTable::Create(CFX_Font* pFont) {
       FXFT_Load_Sfnt_Table(pFont->GetFace(), FT_MAKE_TAG('G', 'S', 'U', 'B'), 0,
                            pFont->GetSubData(), NULL);
   if (!error && pFont->GetSubData()) {
-    nonstd::unique_ptr<CFX_GSUBTable> pGsubTable(new CFX_GSUBTable);
+    std::unique_ptr<CFX_GSUBTable> pGsubTable(new CFX_GSUBTable);
     if (pGsubTable->m_GsubImp.LoadGSUBTable((FT_Bytes)pFont->GetSubData())) {
       return pGsubTable.release();
     }
diff --git a/core/src/fpdfapi/fpdf_page/fpdf_page_func.cpp b/core/src/fpdfapi/fpdf_page/fpdf_page_func.cpp
index 118f1cd5a3..15222fc594 100644
--- a/core/src/fpdfapi/fpdf_page/fpdf_page_func.cpp
+++ b/core/src/fpdfapi/fpdf_page/fpdf_page_func.cpp
@@ -8,12 +8,12 @@
 
 #include <limits.h>
 
+#include <memory>
 #include <vector>
 
 #include "core/include/fpdfapi/fpdf_module.h"
 #include "core/include/fpdfapi/fpdf_page.h"
 #include "core/include/fxcrt/fx_safe_types.h"
-#include "third_party/base/nonstd_unique_ptr.h"
 #include "third_party/base/numerics/safe_conversions_impl.h"
 
 class CPDF_PSEngine;
@@ -768,7 +768,7 @@ FX_BOOL CPDF_StitchFunc::v_Init(CPDF_Object* pObj) {
     if (pSub == pObj) {
       return FALSE;
     }
-    nonstd::unique_ptr<CPDF_Function> pFunc(CPDF_Function::Load(pSub));
+    std::unique_ptr<CPDF_Function> pFunc(CPDF_Function::Load(pSub));
     if (!pFunc) {
       return FALSE;
     }
diff --git a/core/src/fpdfapi/fpdf_page/fpdf_page_parser_old.cpp b/core/src/fpdfapi/fpdf_page/fpdf_page_parser_old.cpp
index 02ac27ac0f..1c4cc24208 100644
--- a/core/src/fpdfapi/fpdf_page/fpdf_page_parser_old.cpp
+++ b/core/src/fpdfapi/fpdf_page/fpdf_page_parser_old.cpp
@@ -92,7 +92,7 @@ void CPDF_StreamContentParser::Handle_BeginImage() {
     }
     CFX_ByteString key((const FX_CHAR*)m_pSyntax->GetWordBuf() + 1,
                        m_pSyntax->GetWordSize() - 1);
-    nonstd::unique_ptr<CPDF_Object, ReleaseDeleter<CPDF_Object>> pObj(
+    std::unique_ptr<CPDF_Object, ReleaseDeleter<CPDF_Object>> pObj(
         m_pSyntax->ReadNextObject());
     if (!key.IsEmpty()) {
       FX_DWORD dwObjNum = pObj ? pObj->GetObjNum() : 0;
diff --git a/core/src/fpdfapi/fpdf_page/pageint.h b/core/src/fpdfapi/fpdf_page/pageint.h
index d5a035fe2b..f41a987e34 100644
--- a/core/src/fpdfapi/fpdf_page/pageint.h
+++ b/core/src/fpdfapi/fpdf_page/pageint.h
@@ -8,10 +8,10 @@
 #define CORE_SRC_FPDFAPI_FPDF_PAGE_PAGEINT_H_
 
 #include <map>
+#include <memory>
 
 #include "core/include/fpdfapi/fpdf_page.h"
 #include "core/include/fpdfapi/fpdf_pageobj.h"
-#include "third_party/base/nonstd_unique_ptr.h"
 
 class CPDF_AllStates;
 class CPDF_ParseOptions;
@@ -319,7 +319,7 @@ class CPDF_StreamContentParser {
   FX_DWORD m_ParamStartPos;
   FX_DWORD m_ParamCount;
   CPDF_StreamParser* m_pSyntax;
-  nonstd::unique_ptr<CPDF_AllStates> m_pCurStates;
+  std::unique_ptr<CPDF_AllStates> m_pCurStates;
   CPDF_ContentMark m_CurContentMark;
   CFX_ArrayTemplate<CPDF_TextObject*> m_ClipTextList;
   CPDF_TextObject* m_pLastTextObject;
diff --git a/core/src/fpdfapi/fpdf_parser/fpdf_parser_parser.cpp b/core/src/fpdfapi/fpdf_parser/fpdf_parser_parser.cpp
index 05f407bfd3..1115a1e560 100644
--- a/core/src/fpdfapi/fpdf_parser/fpdf_parser_parser.cpp
+++ b/core/src/fpdfapi/fpdf_parser/fpdf_parser_parser.cpp
@@ -6,6 +6,7 @@
 
 #include "parser_int.h"
 
+#include <memory>
 #include <set>
 #include <utility>
 #include <vector>
@@ -16,7 +17,6 @@
 #include "core/include/fxcrt/fx_ext.h"
 #include "core/include/fxcrt/fx_safe_types.h"
 #include "core/src/fpdfapi/fpdf_page/pageint.h"
-#include "third_party/base/nonstd_unique_ptr.h"
 #include "third_party/base/stl_util.h"
 
 namespace {
@@ -94,7 +94,7 @@ bool CanReadFromBitStream(const CFX_BitStream* hStream,
 // TODO(thestig) Using unique_ptr with ReleaseDeleter is still not ideal.
 // Come up or wait for something better.
 using ScopedFileStream =
-    nonstd::unique_ptr<IFX_FileStream, ReleaseDeleter<IFX_FileStream>>;
+    std::unique_ptr<IFX_FileStream, ReleaseDeleter<IFX_FileStream>>;
 
 FX_BOOL IsSignatureDict(const CPDF_Dictionary* pDict) {
   CPDF_Object* pType = pDict->GetElementValue("Type");
@@ -307,7 +307,7 @@ FX_DWORD CPDF_Parser::SetEncryptHandler() {
     if (!m_pSecurityHandler->OnInit(this, m_pEncryptDict)) {
       return err;
     }
-    nonstd::unique_ptr<CPDF_CryptoHandler> pCryptoHandler(
+    std::unique_ptr<CPDF_CryptoHandler> pCryptoHandler(
         m_pSecurityHandler->CreateCryptoHandler());
     if (!pCryptoHandler->Init(m_pEncryptDict, m_pSecurityHandler.get())) {
       return PDFPARSE_ERROR_HANDLER;
@@ -315,7 +315,7 @@ FX_DWORD CPDF_Parser::SetEncryptHandler() {
     m_Syntax.SetEncrypt(pCryptoHandler.release());
   } else if (m_pEncryptDict) {
     CFX_ByteString filter = m_pEncryptDict->GetString("Filter");
-    nonstd::unique_ptr<CPDF_SecurityHandler> pSecurityHandler;
+    std::unique_ptr<CPDF_SecurityHandler> pSecurityHandler;
     FX_DWORD err = PDFPARSE_ERROR_HANDLER;
     if (filter == "Standard") {
       pSecurityHandler.reset(FPDF_CreateStandardSecurityHandler());
@@ -328,7 +328,7 @@ FX_DWORD CPDF_Parser::SetEncryptHandler() {
       return err;
     }
     m_pSecurityHandler = std::move(pSecurityHandler);
-    nonstd::unique_ptr<CPDF_CryptoHandler> pCryptoHandler(
+    std::unique_ptr<CPDF_CryptoHandler> pCryptoHandler(
         m_pSecurityHandler->CreateCryptoHandler());
     if (!pCryptoHandler->Init(m_pEncryptDict, m_pSecurityHandler.get())) {
       return PDFPARSE_ERROR_HANDLER;
@@ -385,7 +385,7 @@ FX_BOOL CPDF_Parser::LoadAllCrossRefV4(FX_FILESIZE xrefpos) {
   while (xrefpos) {
     CrossRefList.InsertAt(0, xrefpos);
     LoadCrossRefV4(xrefpos, 0, TRUE);
-    nonstd::unique_ptr<CPDF_Dictionary, ReleaseDeleter<CPDF_Dictionary>> pDict(
+    std::unique_ptr<CPDF_Dictionary, ReleaseDeleter<CPDF_Dictionary>> pDict(
         LoadTrailerV4());
     if (!pDict)
       return FALSE;
@@ -1456,7 +1456,7 @@ CPDF_Dictionary* CPDF_Parser::LoadTrailerV4() {
   if (m_Syntax.GetKeyword() != "trailer")
     return nullptr;
 
-  nonstd::unique_ptr<CPDF_Object, ReleaseDeleter<CPDF_Object>> pObj(
+  std::unique_ptr<CPDF_Object, ReleaseDeleter<CPDF_Object>> pObj(
       m_Syntax.GetObject(m_pDocument, 0, 0, 0));
   if (!ToDictionary(pObj.get()))
     return nullptr;
@@ -2095,7 +2095,7 @@ CPDF_Object* CPDF_SyntaxParser::GetObject(CPDF_IndirectObjects* pObjList,
 
     int32_t nKeys = 0;
     FX_FILESIZE dwSignValuePos = 0;
-    nonstd::unique_ptr<CPDF_Dictionary, ReleaseDeleter<CPDF_Dictionary>> pDict(
+    std::unique_ptr<CPDF_Dictionary, ReleaseDeleter<CPDF_Dictionary>> pDict(
         new CPDF_Dictionary);
     while (1) {
       FX_BOOL bIsNumber;
@@ -2233,7 +2233,7 @@ CPDF_Object* CPDF_SyntaxParser::GetObjectByStrict(
   if (word == "[") {
     if (bTypeOnly)
       return (CPDF_Object*)PDFOBJ_ARRAY;
-    nonstd::unique_ptr<CPDF_Array, ReleaseDeleter<CPDF_Array>> pArray(
+    std::unique_ptr<CPDF_Array, ReleaseDeleter<CPDF_Array>> pArray(
         new CPDF_Array);
     while (CPDF_Object* pObj = GetObject(pObjList, objnum, gennum))
       pArray->Add(pObj);
@@ -2251,7 +2251,7 @@ CPDF_Object* CPDF_SyntaxParser::GetObjectByStrict(
     if (pContext)
       pContext->m_DictStart = SavedPos;
 
-    nonstd::unique_ptr<CPDF_Dictionary, ReleaseDeleter<CPDF_Dictionary>> pDict(
+    std::unique_ptr<CPDF_Dictionary, ReleaseDeleter<CPDF_Dictionary>> pDict(
         new CPDF_Dictionary);
     while (1) {
       FX_BOOL bIsNumber;
@@ -2271,7 +2271,7 @@ CPDF_Object* CPDF_SyntaxParser::GetObjectByStrict(
         continue;
 
       key = PDF_NameDecode(key);
-      nonstd::unique_ptr<CPDF_Object, ReleaseDeleter<CPDF_Object>> obj(
+      std::unique_ptr<CPDF_Object, ReleaseDeleter<CPDF_Object>> obj(
           GetObject(pObjList, objnum, gennum));
       if (!obj) {
         uint8_t ch;
@@ -2884,7 +2884,7 @@ class CPDF_DataAvail final : public IPDF_DataAvail {
   std::set<FX_DWORD> m_pageMapCheckState;
   std::set<FX_DWORD> m_pagesLoadState;
 
-  nonstd::unique_ptr<CPDF_HintTables> m_pHintTables;
+  std::unique_ptr<CPDF_HintTables> m_pHintTables;
   FX_BOOL m_bSupportHintTable;
 };
 
@@ -3599,9 +3599,9 @@ FX_BOOL CPDF_DataAvail::CheckHintTables(IFX_DownloadHints* pHints) {
     return FALSE;
   }
   m_syntaxParser.InitParser(m_pFileRead, m_dwHeaderOffset);
-  nonstd::unique_ptr<CPDF_HintTables> pHintTables(
+  std::unique_ptr<CPDF_HintTables> pHintTables(
       new CPDF_HintTables(this, pDict));
-  nonstd::unique_ptr<CPDF_Object, ReleaseDeleter<CPDF_Object>> pHintStream(
+  std::unique_ptr<CPDF_Object, ReleaseDeleter<CPDF_Object>> pHintStream(
       ParseIndirectObjectAt(szHSStart, 0));
   CPDF_Stream* pStream = ToStream(pHintStream.get());
   if (pStream && pHintTables->LoadHintStream(pStream))
@@ -3981,7 +3981,7 @@ FX_BOOL CPDF_DataAvail::CheckTrailer(IFX_DownloadHints* pHints) {
     }
     ScopedFileStream file(FX_CreateMemoryStream(pBuf, (size_t)iSize, FALSE));
     m_syntaxParser.InitParser(file.get(), 0);
-    nonstd::unique_ptr<CPDF_Object, ReleaseDeleter<CPDF_Object>> pTrailer(
+    std::unique_ptr<CPDF_Object, ReleaseDeleter<CPDF_Object>> pTrailer(
         m_syntaxParser.GetObject(nullptr, 0, 0));
     if (!pTrailer) {
       m_Pos += m_syntaxParser.SavePos();
diff --git a/core/src/fpdfapi/fpdf_parser/fpdf_parser_parser_unittest.cpp b/core/src/fpdfapi/fpdf_parser/fpdf_parser_parser_unittest.cpp
index 3fd8dcf35a..3014ca280e 100644
--- a/core/src/fpdfapi/fpdf_parser/fpdf_parser_parser_unittest.cpp
+++ b/core/src/fpdfapi/fpdf_parser/fpdf_parser_parser_unittest.cpp
@@ -97,7 +97,7 @@ class CPDF_TestParser : public CPDF_Parser {
 // TODO(thestig) Using unique_ptr with ReleaseDeleter is still not ideal.
 // Come up or wait for something better.
 using ScopedFileStream =
-    nonstd::unique_ptr<IFX_FileStream, ReleaseDeleter<IFX_FileStream>>;
+    std::unique_ptr<IFX_FileStream, ReleaseDeleter<IFX_FileStream>>;
 
 TEST(fpdf_parser_parser, ReadHexString) {
   {
diff --git a/core/src/fpdfapi/fpdf_render/fpdf_render.cpp b/core/src/fpdfapi/fpdf_render/fpdf_render.cpp
index 1c46583e59..6a821ec069 100644
--- a/core/src/fpdfapi/fpdf_render/fpdf_render.cpp
+++ b/core/src/fpdfapi/fpdf_render/fpdf_render.cpp
@@ -650,7 +650,7 @@ void CPDF_RenderStatus::ProcessClipPath(CPDF_ClipPath ClipPath,
     return;
   }
 
-  nonstd::unique_ptr<CFX_PathData> pTextClippingPath;
+  std::unique_ptr<CFX_PathData> pTextClippingPath;
   for (int i = 0; i < textcount; ++i) {
     CPDF_TextObject* pText = ClipPath.GetText(i);
     if (pText) {
@@ -811,7 +811,7 @@ FX_BOOL CPDF_RenderStatus::ProcessTransparency(const CPDF_PageObject* pPageObj,
   int width = FXSYS_round((FX_FLOAT)rect.Width() * scaleX);
   int height = FXSYS_round((FX_FLOAT)rect.Height() * scaleY);
   CFX_FxgeDevice bitmap_device;
-  nonstd::unique_ptr<CFX_DIBitmap> oriDevice;
+  std::unique_ptr<CFX_DIBitmap> oriDevice;
   if (!isolated && (m_pDevice->GetRenderCaps() & FXRC_GET_BITS)) {
     oriDevice.reset(new CFX_DIBitmap);
     if (!m_pDevice->CreateCompatibleBitmap(oriDevice.get(), width, height))
@@ -827,7 +827,7 @@ FX_BOOL CPDF_RenderStatus::ProcessTransparency(const CPDF_PageObject* pPageObj,
   CFX_Matrix new_matrix = *pObj2Device;
   new_matrix.TranslateI(-rect.left, -rect.top);
   new_matrix.Scale(scaleX, scaleY);
-  nonstd::unique_ptr<CFX_DIBitmap> pTextMask;
+  std::unique_ptr<CFX_DIBitmap> pTextMask;
   if (bTextClip) {
     pTextMask.reset(new CFX_DIBitmap);
     if (!pTextMask->Create(width, height, FXDIB_8bppMask))
@@ -861,7 +861,7 @@ FX_BOOL CPDF_RenderStatus::ProcessTransparency(const CPDF_PageObject* pPageObj,
     FXSYS_memcpy(&smask_matrix, pGeneralState->m_SMaskMatrix,
                  sizeof smask_matrix);
     smask_matrix.Concat(*pObj2Device);
-    nonstd::unique_ptr<CFX_DIBSource> pSMaskSource(
+    std::unique_ptr<CFX_DIBSource> pSMaskSource(
         LoadSMask(pSMaskDict, &rect, &smask_matrix));
     if (pSMaskSource)
       bitmap->MultiplyAlpha(pSMaskSource.get());
@@ -896,7 +896,7 @@ CFX_DIBitmap* CPDF_RenderStatus::GetBackdrop(const CPDF_PageObject* pObj,
   FX_FLOAT scaleY = FXSYS_fabs(deviceCTM.d);
   int width = FXSYS_round(bbox.Width() * scaleX);
   int height = FXSYS_round(bbox.Height() * scaleY);
-  nonstd::unique_ptr<CFX_DIBitmap> pBackdrop(new CFX_DIBitmap);
+  std::unique_ptr<CFX_DIBitmap> pBackdrop(new CFX_DIBitmap);
   if (bBackAlphaRequired && !m_bDropObjects)
     pBackdrop->Create(width, height, FXDIB_Argb);
   else
@@ -1190,7 +1190,7 @@ CPDF_TransferFunc* CPDF_DocRenderData::GetTransferFunc(CPDF_Object* pObj) {
     return pTransferCounter->AddRef();
   }
 
-  nonstd::unique_ptr<CPDF_Function> pFuncs[3];
+  std::unique_ptr<CPDF_Function> pFuncs[3];
   FX_BOOL bUniTransfer = TRUE;
   FX_BOOL bIdentity = TRUE;
   if (CPDF_Array* pArray = pObj->AsArray()) {
diff --git a/core/src/fpdfapi/fpdf_render/fpdf_render_image.cpp b/core/src/fpdfapi/fpdf_render/fpdf_render_image.cpp
index d39d30f2a3..640adb14da 100644
--- a/core/src/fpdfapi/fpdf_render/fpdf_render_image.cpp
+++ b/core/src/fpdfapi/fpdf_render/fpdf_render_image.cpp
@@ -107,7 +107,7 @@ void CPDF_RenderStatus::CompositeDIBitmap(CFX_DIBitmap* pDIBitmap,
   int back_left, back_top;
   FX_RECT rect(left, top, left + pDIBitmap->GetWidth(),
                top + pDIBitmap->GetHeight());
-  nonstd::unique_ptr<CFX_DIBitmap> pBackdrop(
+  std::unique_ptr<CFX_DIBitmap> pBackdrop(
       GetBackdrop(m_pCurObj, rect, back_left, back_top,
                   blend_mode > FXDIB_BLEND_NORMAL && bIsolated));
   if (!pBackdrop)
@@ -123,7 +123,7 @@ void CPDF_RenderStatus::CompositeDIBitmap(CFX_DIBitmap* pDIBitmap,
                              pDIBitmap, mask_argb, 0, 0, blend_mode);
   }
 
-  nonstd::unique_ptr<CFX_DIBitmap> pBackdrop1(new CFX_DIBitmap);
+  std::unique_ptr<CFX_DIBitmap> pBackdrop1(new CFX_DIBitmap);
   pBackdrop1->Create(pBackdrop->GetWidth(), pBackdrop->GetHeight(),
                      FXDIB_Rgb32);
   pBackdrop1->Clear((FX_DWORD)-1);
@@ -760,7 +760,7 @@ FX_BOOL CPDF_ImageRenderer::StartDIBSource() {
   FX_RECT dest_clip(
       dest_rect.left - image_rect.left, dest_rect.top - image_rect.top,
       dest_rect.right - image_rect.left, dest_rect.bottom - image_rect.top);
-  nonstd::unique_ptr<CFX_DIBitmap> pStretched(
+  std::unique_ptr<CFX_DIBitmap> pStretched(
       m_pDIBSource->StretchTo(dest_width, dest_height, m_Flags, &dest_clip));
   if (pStretched) {
     m_pRenderStatus->CompositeDIBitmap(pStretched.get(), dest_rect.left,
@@ -785,7 +785,7 @@ FX_BOOL CPDF_ImageRenderer::StartBitmapAlpha() {
     if (FXSYS_fabs(m_ImageMatrix.b) >= 0.5f ||
         FXSYS_fabs(m_ImageMatrix.c) >= 0.5f) {
       int left, top;
-      nonstd::unique_ptr<CFX_DIBitmap> pTransformed(
+      std::unique_ptr<CFX_DIBitmap> pTransformed(
           pAlphaMask->TransformTo(&m_ImageMatrix, left, top));
       if (!pTransformed)
         return TRUE;
@@ -874,7 +874,7 @@ CFX_DIBitmap* CPDF_RenderStatus::LoadSMask(CPDF_Dictionary* pSMaskDict,
   if (!pGroup) {
     return NULL;
   }
-  nonstd::unique_ptr<CPDF_Function> pFunc;
+  std::unique_ptr<CPDF_Function> pFunc;
   CPDF_Object* pFuncObj = pSMaskDict->GetElementValue("TR");
   if (pFuncObj && (pFuncObj->IsDictionary() || pFuncObj->IsStream()))
     pFunc.reset(CPDF_Function::Load(pFuncObj));
@@ -947,7 +947,7 @@ CFX_DIBitmap* CPDF_RenderStatus::LoadSMask(CPDF_Dictionary* pSMaskDict,
                     &options, 0, m_bDropObjects, pFormResource, TRUE, NULL, 0,
                     pCS ? pCS->GetFamily() : 0, bLuminosity);
   status.RenderObjectList(&form, &matrix);
-  nonstd::unique_ptr<CFX_DIBitmap> pMask(new CFX_DIBitmap);
+  std::unique_ptr<CFX_DIBitmap> pMask(new CFX_DIBitmap);
   if (!pMask->Create(width, height, FXDIB_8bppMask))
     return nullptr;
 
diff --git a/core/src/fpdfapi/fpdf_render/fpdf_render_loadimage.cpp b/core/src/fpdfapi/fpdf_render/fpdf_render_loadimage.cpp
index 6bb8033686..c74aea9a21 100644
--- a/core/src/fpdfapi/fpdf_render/fpdf_render_loadimage.cpp
+++ b/core/src/fpdfapi/fpdf_render/fpdf_render_loadimage.cpp
@@ -6,6 +6,7 @@
 
 #include "render_int.h"
 
+#include <memory>
 #include <vector>
 
 #include "core/include/fpdfapi/fpdf_module.h"
@@ -15,7 +16,6 @@
 #include "core/include/fxcrt/fx_safe_types.h"
 #include "core/include/fxge/fx_ge.h"
 #include "core/src/fpdfapi/fpdf_page/pageint.h"
-#include "third_party/base/nonstd_unique_ptr.h"
 
 namespace {
 
@@ -63,7 +63,7 @@ bool IsAllowedBPCValue(int bpc) {
   return bpc == 1 || bpc == 2 || bpc == 4 || bpc == 8 || bpc == 16;
 }
 
-// Wrapper class to use with nonstd::unique_ptr for CJPX_Decoder.
+// Wrapper class to use with std::unique_ptr for CJPX_Decoder.
 class JpxBitMapContext {
  public:
   explicit JpxBitMapContext(ICodec_JpxModule* jpx_module)
@@ -199,7 +199,7 @@ CFX_DIBitmap* CPDF_DIBSource::GetBitmap() const {
   return m_pCachedBitmap ? m_pCachedBitmap.get() : Clone();
 }
 void CPDF_DIBSource::ReleaseBitmap(CFX_DIBitmap* pBitmap) const {
-  if (pBitmap && pBitmap != m_pCachedBitmap) {
+  if (pBitmap && pBitmap != m_pCachedBitmap.get()) {
     delete pBitmap;
   }
 }
@@ -682,8 +682,7 @@ void CPDF_DIBSource::LoadJpxBitmap() {
   if (!pJpxModule)
     return;
 
-  nonstd::unique_ptr<JpxBitMapContext> context(
-      new JpxBitMapContext(pJpxModule));
+  std::unique_ptr<JpxBitMapContext> context(new JpxBitMapContext(pJpxModule));
   context->set_decoder(pJpxModule->CreateDecoder(
       m_pStreamAcc->GetData(), m_pStreamAcc->GetSize(), m_pColorSpace));
   if (!context->decoder())
diff --git a/core/src/fpdfapi/fpdf_render/render_int.h b/core/src/fpdfapi/fpdf_render/render_int.h
index 6a63f61c06..5530754ab0 100644
--- a/core/src/fpdfapi/fpdf_render/render_int.h
+++ b/core/src/fpdfapi/fpdf_render/render_int.h
@@ -8,10 +8,10 @@
 #define CORE_SRC_FPDFAPI_FPDF_RENDER_RENDER_INT_H_
 
 #include <map>
+#include <memory>
 
 #include "core/include/fpdfapi/fpdf_pageobj.h"
 #include "core/include/fpdfapi/fpdf_render.h"
-#include "third_party/base/nonstd_unique_ptr.h"
 
 class CFX_GlyphBitmap;
 class CFX_ImageTransformer;
@@ -254,7 +254,7 @@ class CPDF_RenderStatus {
   const CPDF_PageObject* m_pStopObj;
   CPDF_GraphicStates m_InitialStates;
   int m_HalftoneLimit;
-  nonstd::unique_ptr<IPDF_ObjectRenderer> m_pObjectRenderer;
+  std::unique_ptr<IPDF_ObjectRenderer> m_pObjectRenderer;
   FX_BOOL m_bPrint;
   int m_Transparency;
   int m_DitherBits;
@@ -392,7 +392,7 @@ class CPDF_ScaledRenderBuffer {
   CPDF_RenderContext* m_pContext;
   FX_RECT m_Rect;
   const CPDF_PageObject* m_pObject;
-  nonstd::unique_ptr<CFX_FxgeDevice> m_pBitmapDevice;
+  std::unique_ptr<CFX_FxgeDevice> m_pBitmapDevice;
   CFX_Matrix m_Matrix;
 };
 
@@ -414,7 +414,7 @@ class CPDF_DeviceBuffer {
   CPDF_RenderContext* m_pContext;
   FX_RECT m_Rect;
   const CPDF_PageObject* m_pObject;
-  nonstd::unique_ptr<CFX_DIBitmap> m_pBitmap;
+  std::unique_ptr<CFX_DIBitmap> m_pBitmap;
   CFX_Matrix m_Matrix;
 };
 
@@ -589,7 +589,7 @@ class CPDF_DIBSource : public CFX_DIBSource {
   DIB_COMP_DATA* m_pCompData;
   uint8_t* m_pLineBuf;
   uint8_t* m_pMaskedLine;
-  nonstd::unique_ptr<CFX_DIBitmap> m_pCachedBitmap;
+  std::unique_ptr<CFX_DIBitmap> m_pCachedBitmap;
   ICodec_ScanlineDecoder* m_pDecoder;
 };
 
diff --git a/core/src/fpdfdoc/doc_annot.cpp b/core/src/fpdfdoc/doc_annot.cpp
index f4a75e6afc..814496ff7f 100644
--- a/core/src/fpdfdoc/doc_annot.cpp
+++ b/core/src/fpdfdoc/doc_annot.cpp
@@ -6,7 +6,6 @@
 
 #include "core/include/fpdfapi/fpdf_pageobj.h"
 #include "core/include/fpdfdoc/fpdf_doc.h"
-#include "third_party/base/nonstd_unique_ptr.h"
 
 CPDF_AnnotList::CPDF_AnnotList(CPDF_Page* pPage)
     : m_pDocument(pPage->m_pDocument) {
diff --git a/core/src/fpdfdoc/doc_bookmark.cpp b/core/src/fpdfdoc/doc_bookmark.cpp
index c59b1955a8..b435fc619c 100644
--- a/core/src/fpdfdoc/doc_bookmark.cpp
+++ b/core/src/fpdfdoc/doc_bookmark.cpp
@@ -4,10 +4,10 @@
 
 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
 
+#include <memory>
 #include <vector>
 
 #include "core/include/fpdfdoc/fpdf_doc.h"
-#include "third_party/base/nonstd_unique_ptr.h"
 
 CPDF_Bookmark CPDF_BookmarkTree::GetFirstChild(
     const CPDF_Bookmark& parent) const {
@@ -60,7 +60,7 @@ CFX_WideString CPDF_Bookmark::GetTitle() const {
   if (!len) {
     return CFX_WideString();
   }
-  nonstd::unique_ptr<FX_WCHAR[]> buf(new FX_WCHAR[len]);
+  std::unique_ptr<FX_WCHAR[]> buf(new FX_WCHAR[len]);
   for (int i = 0; i < len; i++) {
     FX_WCHAR w = title[i];
     buf[i] = w > 0x20 ? w : 0x20;
diff --git a/core/src/fpdftext/fpdf_text.cpp b/core/src/fpdftext/fpdf_text.cpp
index 1e56bf901d..4aea797c39 100644
--- a/core/src/fpdftext/fpdf_text.cpp
+++ b/core/src/fpdftext/fpdf_text.cpp
@@ -4,6 +4,10 @@
 
 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
 
+#include <cctype>
+#include <cwctype>
+#include <memory>
+
 #include "core/include/fpdfapi/fpdf_page.h"
 #include "core/include/fpdfapi/fpdf_pageobj.h"
 #include "core/include/fpdfapi/fpdf_resource.h"
@@ -11,12 +15,8 @@
 #include "core/include/fxcrt/fx_bidi.h"
 #include "core/include/fxcrt/fx_ucd.h"
 #include "text_int.h"
-#include "third_party/base/nonstd_unique_ptr.h"
 #include "txtproc.h"
 
-#include <cctype>
-#include <cwctype>
-
 CFX_ByteString CharFromUnicodeAlt(FX_WCHAR unicode,
                                   int destcp,
                                   const FX_CHAR* defchar) {
@@ -314,7 +314,7 @@ void NormalizeString(CFX_WideString& str) {
     return;
   }
   CFX_WideString sBuffer;
-  nonstd::unique_ptr<CFX_BidiChar> pBidiChar(new CFX_BidiChar);
+  std::unique_ptr<CFX_BidiChar> pBidiChar(new CFX_BidiChar);
   CFX_WordArray order;
   FX_BOOL bR2L = FALSE;
   int32_t start = 0, count = 0, i = 0;
diff --git a/core/src/fpdftext/fpdf_text_int.cpp b/core/src/fpdftext/fpdf_text_int.cpp
index d7a9c47519..cf6cde1169 100644
--- a/core/src/fpdftext/fpdf_text_int.cpp
+++ b/core/src/fpdftext/fpdf_text_int.cpp
@@ -4,9 +4,10 @@
 
 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
 
+#include <algorithm>
 #include <cctype>
 #include <cwctype>
-#include <algorithm>
+#include <memory>
 
 #include "core/include/fpdfapi/fpdf_module.h"
 #include "core/include/fpdfapi/fpdf_page.h"
@@ -17,7 +18,6 @@
 #include "core/include/fxcrt/fx_ext.h"
 #include "core/include/fxcrt/fx_ucd.h"
 #include "text_int.h"
-#include "third_party/base/nonstd_unique_ptr.h"
 
 namespace {
 
@@ -1053,7 +1053,7 @@ void CPDF_TextPage::CloseTempLine() {
   if (count1 <= 0) {
     return;
   }
-  nonstd::unique_ptr<CFX_BidiChar> pBidiChar(new CFX_BidiChar);
+  std::unique_ptr<CFX_BidiChar> pBidiChar(new CFX_BidiChar);
   CFX_WideString str = m_TempTextBuf.GetWideString();
   CFX_WordArray order;
   FX_BOOL bR2L = FALSE;
@@ -1441,7 +1441,7 @@ void CPDF_TextPage::SwapTempTextBuf(int32_t iCharListStartAppend,
 FX_BOOL CPDF_TextPage::IsRightToLeft(const CPDF_TextObject* pTextObj,
                                      const CPDF_Font* pFont,
                                      int nItems) const {
-  nonstd::unique_ptr<CFX_BidiChar> pBidiChar(new CFX_BidiChar);
+  std::unique_ptr<CFX_BidiChar> pBidiChar(new CFX_BidiChar);
   int32_t nR2L = 0;
   int32_t nL2R = 0;
   int32_t start = 0, count = 0;
diff --git a/core/src/fxcodec/codec/codec_int.h b/core/src/fxcodec/codec/codec_int.h
index 0f2d565046..91062bb69e 100644
--- a/core/src/fxcodec/codec/codec_int.h
+++ b/core/src/fxcodec/codec/codec_int.h
@@ -8,12 +8,13 @@
 #define CORE_SRC_FXCODEC_CODEC_CODEC_INT_H_
 
 #include <limits.h>
+
 #include <list>
 #include <map>
+#include <memory>
 
 #include "core/include/fxcodec/fx_codec.h"
 #include "core/src/fxcodec/jbig2/JBig2_Context.h"
-#include "third_party/base/nonstd_unique_ptr.h"
 #include "third_party/libopenjpeg20/openjpeg.h"  // For OPJ_SIZE_T.
 
 class CFX_IccProfileCache;
@@ -78,7 +79,7 @@ class CCodec_ScanlineDecoder : public ICodec_ScanlineDecoder {
     const int m_Height;
     const FX_DWORD m_Pitch;
     int m_nCachedLines;
-    nonstd::unique_ptr<uint8_t, FxFreeDeleter> m_Data;
+    std::unique_ptr<uint8_t, FxFreeDeleter> m_Data;
   };
 
   virtual FX_BOOL v_Rewind() = 0;
@@ -98,7 +99,7 @@ class CCodec_ScanlineDecoder : public ICodec_ScanlineDecoder {
   FX_BOOL m_bColorTransformed;
   int m_NextLine;
   uint8_t* m_pLastScanline;
-  nonstd::unique_ptr<ImageDataCache> m_pDataCache;
+  std::unique_ptr<ImageDataCache> m_pDataCache;
 };
 
 class CCodec_FaxModule : public ICodec_FaxModule {
diff --git a/core/src/fxcodec/codec/fx_codec.cpp b/core/src/fxcodec/codec/fx_codec.cpp
index b7b5563b29..3ac2f79312 100644
--- a/core/src/fxcodec/codec/fx_codec.cpp
+++ b/core/src/fxcodec/codec/fx_codec.cpp
@@ -134,7 +134,7 @@ void CCodec_ScanlineDecoder::DownScale(int dest_width, int dest_height) {
     return;
   }
 
-  nonstd::unique_ptr<ImageDataCache> cache(
+  std::unique_ptr<ImageDataCache> cache(
       new ImageDataCache(m_OutputWidth, m_OutputHeight, m_Pitch));
   if (!cache->AllocateCache())
     return;
diff --git a/core/src/fxcodec/codec/fx_codec_flate.cpp b/core/src/fxcodec/codec/fx_codec_flate.cpp
index b293781318..17f20da1de 100644
--- a/core/src/fxcodec/codec/fx_codec_flate.cpp
+++ b/core/src/fxcodec/codec/fx_codec_flate.cpp
@@ -5,9 +5,11 @@
 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
 
 #include "codec_int.h"
+
+#include <memory>
+
 #include "core/include/fxcodec/fx_codec.h"
 #include "core/include/fxcodec/fx_codec_flate.h"
-#include "third_party/base/nonstd_unique_ptr.h"
 #include "third_party/zlib_v128/zlib.h"
 
 extern "C" {
@@ -639,7 +641,7 @@ void FlateUncompress(const uint8_t* src_buf,
   if (!context)
     return;
 
-  nonstd::unique_ptr<uint8_t, FxFreeDeleter> guess_buf(
+  std::unique_ptr<uint8_t, FxFreeDeleter> guess_buf(
       FX_Alloc(uint8_t, guess_size + 1));
   guess_buf.get()[guess_size] = '\0';
 
@@ -933,7 +935,7 @@ FX_DWORD CCodec_FlateModule::FlateOrLZWDecode(FX_BOOL bLZW,
   }
   if (bLZW) {
     {
-      nonstd::unique_ptr<CLZWDecoder> decoder(new CLZWDecoder);
+      std::unique_ptr<CLZWDecoder> decoder(new CLZWDecoder);
       dest_size = (FX_DWORD)-1;
       offset = src_size;
       int err = decoder->Decode(NULL, dest_size, src_buf, offset, bEarlyChange);
@@ -942,7 +944,7 @@ FX_DWORD CCodec_FlateModule::FlateOrLZWDecode(FX_BOOL bLZW,
       }
     }
     {
-      nonstd::unique_ptr<CLZWDecoder> decoder(new CLZWDecoder);
+      std::unique_ptr<CLZWDecoder> decoder(new CLZWDecoder);
       dest_buf = FX_Alloc(uint8_t, dest_size + 1);
       dest_buf[dest_size] = '\0';
       decoder->Decode(dest_buf, dest_size, src_buf, offset, bEarlyChange);
diff --git a/core/src/fxcodec/codec/fx_codec_jpx_opj.cpp b/core/src/fxcodec/codec/fx_codec_jpx_opj.cpp
index d3276450c9..c185d224f0 100644
--- a/core/src/fxcodec/codec/fx_codec_jpx_opj.cpp
+++ b/core/src/fxcodec/codec/fx_codec_jpx_opj.cpp
@@ -865,7 +865,7 @@ CCodec_JpxModule::~CCodec_JpxModule() {
 CJPX_Decoder* CCodec_JpxModule::CreateDecoder(const uint8_t* src_buf,
                                               FX_DWORD src_size,
                                               CPDF_ColorSpace* cs) {
-  nonstd::unique_ptr<CJPX_Decoder> decoder(new CJPX_Decoder(cs));
+  std::unique_ptr<CJPX_Decoder> decoder(new CJPX_Decoder(cs));
   return decoder->Init(src_buf, src_size) ? decoder.release() : nullptr;
 }
 
diff --git a/core/src/fxcodec/jbig2/JBig2_Context.cpp b/core/src/fxcodec/jbig2/JBig2_Context.cpp
index 9503fed95e..566b84e54d 100644
--- a/core/src/fxcodec/jbig2/JBig2_Context.cpp
+++ b/core/src/fxcodec/jbig2/JBig2_Context.cpp
@@ -138,7 +138,7 @@ int32_t CJBig2_Context::decode_EmbedOrgnazation(IFX_Pause* pPause) {
 int32_t CJBig2_Context::decode_RandomOrgnazation_FirstPage(IFX_Pause* pPause) {
   int32_t nRet;
   while (m_pStream->getByteLeft() > JBIG2_MIN_SEGMENT_SIZE) {
-    nonstd::unique_ptr<CJBig2_Segment> pSegment(new CJBig2_Segment);
+    std::unique_ptr<CJBig2_Segment> pSegment(new CJBig2_Segment);
     nRet = parseSegmentHeader(pSegment.get());
     if (nRet != JBIG2_SUCCESS) {
       return nRet;
@@ -377,7 +377,7 @@ int32_t CJBig2_Context::ProcessingParseSegmentData(CJBig2_Segment* pSegment,
       return parseGenericRefinementRegion(pSegment);
     case 48: {
       FX_WORD wTemp;
-      nonstd::unique_ptr<JBig2PageInfo> pPageInfo(new JBig2PageInfo);
+      std::unique_ptr<JBig2PageInfo> pPageInfo(new JBig2PageInfo);
       if (m_pStream->readInteger(&pPageInfo->m_dwWidth) != 0 ||
           m_pStream->readInteger(&pPageInfo->m_dwHeight) != 0 ||
           m_pStream->readInteger(&pPageInfo->m_dwResolutionX) != 0 ||
@@ -436,7 +436,7 @@ int32_t CJBig2_Context::parseSymbolDict(CJBig2_Segment* pSegment,
   if (m_pStream->readShortInteger(&wFlags) != 0)
     return JBIG2_ERROR_TOO_SHORT;
 
-  nonstd::unique_ptr<CJBig2_SDDProc> pSymbolDictDecoder(new CJBig2_SDDProc);
+  std::unique_ptr<CJBig2_SDDProc> pSymbolDictDecoder(new CJBig2_SDDProc);
   pSymbolDictDecoder->SDHUFF = wFlags & 0x0001;
   pSymbolDictDecoder->SDREFAGG = (wFlags >> 1) & 0x0001;
   pSymbolDictDecoder->SDTEMPLATE = (wFlags >> 10) & 0x0003;
@@ -482,7 +482,7 @@ int32_t CJBig2_Context::parseSymbolDict(CJBig2_Segment* pSegment,
     }
   }
 
-  nonstd::unique_ptr<CJBig2_Image*, FxFreeDeleter> SDINSYMS;
+  std::unique_ptr<CJBig2_Image*, FxFreeDeleter> SDINSYMS;
   if (pSymbolDictDecoder->SDNUMINSYMS != 0) {
     SDINSYMS.reset(FX_Alloc(CJBig2_Image*, pSymbolDictDecoder->SDNUMINSYMS));
     FX_DWORD dwTemp = 0;
@@ -499,11 +499,11 @@ int32_t CJBig2_Context::parseSymbolDict(CJBig2_Segment* pSegment,
   }
   pSymbolDictDecoder->SDINSYMS = SDINSYMS.get();
 
-  nonstd::unique_ptr<CJBig2_HuffmanTable> Table_B1;
-  nonstd::unique_ptr<CJBig2_HuffmanTable> Table_B2;
-  nonstd::unique_ptr<CJBig2_HuffmanTable> Table_B3;
-  nonstd::unique_ptr<CJBig2_HuffmanTable> Table_B4;
-  nonstd::unique_ptr<CJBig2_HuffmanTable> Table_B5;
+  std::unique_ptr<CJBig2_HuffmanTable> Table_B1;
+  std::unique_ptr<CJBig2_HuffmanTable> Table_B2;
+  std::unique_ptr<CJBig2_HuffmanTable> Table_B3;
+  std::unique_ptr<CJBig2_HuffmanTable> Table_B4;
+  std::unique_ptr<CJBig2_HuffmanTable> Table_B5;
   if (pSymbolDictDecoder->SDHUFF == 1) {
     if (cSDHUFFDH == 2 || cSDHUFFDW == 2)
       return JBIG2_ERROR_FATAL;
@@ -607,7 +607,7 @@ int32_t CJBig2_Context::parseSymbolDict(CJBig2_Segment* pSegment,
     for (auto it = m_pSymbolDictCache->begin(); it != m_pSymbolDictCache->end();
          ++it) {
       if (it->first == key) {
-        nonstd::unique_ptr<CJBig2_SymbolDict> copy(it->second->DeepCopy());
+        std::unique_ptr<CJBig2_SymbolDict> copy(it->second->DeepCopy());
         pSegment->m_Result.sd = copy.release();
         m_pSymbolDictCache->push_front(*it);
         m_pSymbolDictCache->erase(it);
@@ -618,7 +618,7 @@ int32_t CJBig2_Context::parseSymbolDict(CJBig2_Segment* pSegment,
   }
   if (!cache_hit) {
     if (bUseGbContext) {
-      nonstd::unique_ptr<CJBig2_ArithDecoder> pArithDecoder(
+      std::unique_ptr<CJBig2_ArithDecoder> pArithDecoder(
           new CJBig2_ArithDecoder(m_pStream.get()));
       pSegment->m_Result.sd = pSymbolDictDecoder->decode_Arith(
           pArithDecoder.get(), &gbContext, &grContext);
@@ -635,7 +635,7 @@ int32_t CJBig2_Context::parseSymbolDict(CJBig2_Segment* pSegment,
       m_pStream->alignByte();
     }
     if (m_bIsGlobal && kSymbolDictCacheMaxSize > 0) {
-      nonstd::unique_ptr<CJBig2_SymbolDict> value =
+      std::unique_ptr<CJBig2_SymbolDict> value =
           pSegment->m_Result.sd->DeepCopy();
       while (m_pSymbolDictCache->size() >= kSymbolDictCacheMaxSize) {
         delete m_pSymbolDictCache->back().second;
@@ -661,7 +661,7 @@ int32_t CJBig2_Context::parseTextRegion(CJBig2_Segment* pSegment) {
     return JBIG2_ERROR_TOO_SHORT;
   }
 
-  nonstd::unique_ptr<CJBig2_TRDProc> pTRD(new CJBig2_TRDProc);
+  std::unique_ptr<CJBig2_TRDProc> pTRD(new CJBig2_TRDProc);
   pTRD->SBW = ri.width;
   pTRD->SBH = ri.height;
   pTRD->SBHUFF = wFlags & 0x0001;
@@ -722,7 +722,7 @@ int32_t CJBig2_Context::parseTextRegion(CJBig2_Segment* pSegment) {
     }
   }
 
-  nonstd::unique_ptr<CJBig2_Image*, FxFreeDeleter> SBSYMS;
+  std::unique_ptr<CJBig2_Image*, FxFreeDeleter> SBSYMS;
   if (pTRD->SBNUMSYMS > 0) {
     SBSYMS.reset(FX_Alloc(CJBig2_Image*, pTRD->SBNUMSYMS));
     dwTemp = 0;
@@ -741,7 +741,7 @@ int32_t CJBig2_Context::parseTextRegion(CJBig2_Segment* pSegment) {
     pTRD->SBSYMS = NULL;
   }
 
-  nonstd::unique_ptr<JBig2HuffmanCode, FxFreeDeleter> SBSYMCODES;
+  std::unique_ptr<JBig2HuffmanCode, FxFreeDeleter> SBSYMCODES;
   if (pTRD->SBHUFF == 1) {
     SBSYMCODES.reset(
         decodeSymbolIDHuffmanTable(m_pStream.get(), pTRD->SBNUMSYMS));
@@ -758,17 +758,17 @@ int32_t CJBig2_Context::parseTextRegion(CJBig2_Segment* pSegment) {
     pTRD->SBSYMCODELEN = (uint8_t)dwTemp;
   }
 
-  nonstd::unique_ptr<CJBig2_HuffmanTable> Table_B1;
-  nonstd::unique_ptr<CJBig2_HuffmanTable> Table_B6;
-  nonstd::unique_ptr<CJBig2_HuffmanTable> Table_B7;
-  nonstd::unique_ptr<CJBig2_HuffmanTable> Table_B8;
-  nonstd::unique_ptr<CJBig2_HuffmanTable> Table_B9;
-  nonstd::unique_ptr<CJBig2_HuffmanTable> Table_B10;
-  nonstd::unique_ptr<CJBig2_HuffmanTable> Table_B11;
-  nonstd::unique_ptr<CJBig2_HuffmanTable> Table_B12;
-  nonstd::unique_ptr<CJBig2_HuffmanTable> Table_B13;
-  nonstd::unique_ptr<CJBig2_HuffmanTable> Table_B14;
-  nonstd::unique_ptr<CJBig2_HuffmanTable> Table_B15;
+  std::unique_ptr<CJBig2_HuffmanTable> Table_B1;
+  std::unique_ptr<CJBig2_HuffmanTable> Table_B6;
+  std::unique_ptr<CJBig2_HuffmanTable> Table_B7;
+  std::unique_ptr<CJBig2_HuffmanTable> Table_B8;
+  std::unique_ptr<CJBig2_HuffmanTable> Table_B9;
+  std::unique_ptr<CJBig2_HuffmanTable> Table_B10;
+  std::unique_ptr<CJBig2_HuffmanTable> Table_B11;
+  std::unique_ptr<CJBig2_HuffmanTable> Table_B12;
+  std::unique_ptr<CJBig2_HuffmanTable> Table_B13;
+  std::unique_ptr<CJBig2_HuffmanTable> Table_B14;
+  std::unique_ptr<CJBig2_HuffmanTable> Table_B15;
   if (pTRD->SBHUFF == 1) {
     if (cSBHUFFFS == 2 || cSBHUFFRDW == 2 || cSBHUFFRDH == 2 ||
         cSBHUFFRDX == 2 || cSBHUFFRDY == 2) {
@@ -929,14 +929,14 @@ int32_t CJBig2_Context::parseTextRegion(CJBig2_Segment* pSegment) {
       pTRD->SBHUFFRSIZE = pSeg->m_Result.ht;
     }
   }
-  nonstd::unique_ptr<JBig2ArithCtx, FxFreeDeleter> grContext;
+  std::unique_ptr<JBig2ArithCtx, FxFreeDeleter> grContext;
   if (pTRD->SBREFINE == 1) {
     const size_t size = GetRefAggContextSize(pTRD->SBRTEMPLATE);
     grContext.reset(FX_Alloc(JBig2ArithCtx, size));
     JBIG2_memset(grContext.get(), 0, sizeof(JBig2ArithCtx) * size);
   }
   if (pTRD->SBHUFF == 0) {
-    nonstd::unique_ptr<CJBig2_ArithDecoder> pArithDecoder(
+    std::unique_ptr<CJBig2_ArithDecoder> pArithDecoder(
         new CJBig2_ArithDecoder(m_pStream.get()));
     pSegment->m_nResultType = JBIG2_IMAGE_POINTER;
     pSegment->m_Result.im =
@@ -972,7 +972,7 @@ int32_t CJBig2_Context::parseTextRegion(CJBig2_Segment* pSegment) {
 int32_t CJBig2_Context::parsePatternDict(CJBig2_Segment* pSegment,
                                          IFX_Pause* pPause) {
   uint8_t cFlags;
-  nonstd::unique_ptr<CJBig2_PDDProc> pPDD(new CJBig2_PDDProc);
+  std::unique_ptr<CJBig2_PDDProc> pPDD(new CJBig2_PDDProc);
   if (m_pStream->read1Byte(&cFlags) != 0 ||
       m_pStream->read1Byte(&pPDD->HDPW) != 0 ||
       m_pStream->read1Byte(&pPDD->HDPH) != 0 ||
@@ -987,10 +987,10 @@ int32_t CJBig2_Context::parsePatternDict(CJBig2_Segment* pSegment,
   pSegment->m_nResultType = JBIG2_PATTERN_DICT_POINTER;
   if (pPDD->HDMMR == 0) {
     const size_t size = GetHuffContextSize(pPDD->HDTEMPLATE);
-    nonstd::unique_ptr<JBig2ArithCtx, FxFreeDeleter> gbContext(
+    std::unique_ptr<JBig2ArithCtx, FxFreeDeleter> gbContext(
         FX_Alloc(JBig2ArithCtx, size));
     JBIG2_memset(gbContext.get(), 0, sizeof(JBig2ArithCtx) * size);
-    nonstd::unique_ptr<CJBig2_ArithDecoder> pArithDecoder(
+    std::unique_ptr<CJBig2_ArithDecoder> pArithDecoder(
         new CJBig2_ArithDecoder(m_pStream.get()));
     pSegment->m_Result.pd =
         pPDD->decode_Arith(pArithDecoder.get(), gbContext.get(), pPause);
@@ -1012,7 +1012,7 @@ int32_t CJBig2_Context::parseHalftoneRegion(CJBig2_Segment* pSegment,
                                             IFX_Pause* pPause) {
   uint8_t cFlags;
   JBig2RegionInfo ri;
-  nonstd::unique_ptr<CJBig2_HTRDProc> pHRD(new CJBig2_HTRDProc);
+  std::unique_ptr<CJBig2_HTRDProc> pHRD(new CJBig2_HTRDProc);
   if (parseRegionInfo(&ri) != JBIG2_SUCCESS ||
       m_pStream->read1Byte(&cFlags) != 0 ||
       m_pStream->readInteger(&pHRD->HGW) != 0 ||
@@ -1053,10 +1053,10 @@ int32_t CJBig2_Context::parseHalftoneRegion(CJBig2_Segment* pSegment,
   pSegment->m_nResultType = JBIG2_IMAGE_POINTER;
   if (pHRD->HMMR == 0) {
     const size_t size = GetHuffContextSize(pHRD->HTEMPLATE);
-    nonstd::unique_ptr<JBig2ArithCtx, FxFreeDeleter> gbContext(
+    std::unique_ptr<JBig2ArithCtx, FxFreeDeleter> gbContext(
         FX_Alloc(JBig2ArithCtx, size));
     JBIG2_memset(gbContext.get(), 0, sizeof(JBig2ArithCtx) * size);
-    nonstd::unique_ptr<CJBig2_ArithDecoder> pArithDecoder(
+    std::unique_ptr<CJBig2_ArithDecoder> pArithDecoder(
         new CJBig2_ArithDecoder(m_pStream.get()));
     pSegment->m_Result.im =
         pHRD->decode_Arith(pArithDecoder.get(), gbContext.get(), pPause);
@@ -1090,7 +1090,7 @@ int32_t CJBig2_Context::parseHalftoneRegion(CJBig2_Segment* pSegment,
 int32_t CJBig2_Context::parseGenericRegion(CJBig2_Segment* pSegment,
                                            IFX_Pause* pPause) {
   if (!m_pGRD) {
-    nonstd::unique_ptr<CJBig2_GRDProc> pGRD(new CJBig2_GRDProc);
+    std::unique_ptr<CJBig2_GRDProc> pGRD(new CJBig2_GRDProc);
     uint8_t cFlags;
     if (parseRegionInfo(&m_ri) != JBIG2_SUCCESS ||
         m_pStream->read1Byte(&cFlags) != 0) {
@@ -1203,7 +1203,7 @@ int32_t CJBig2_Context::parseGenericRefinementRegion(CJBig2_Segment* pSegment) {
       m_pStream->read1Byte(&cFlags) != 0) {
     return JBIG2_ERROR_TOO_SHORT;
   }
-  nonstd::unique_ptr<CJBig2_GRRDProc> pGRRD(new CJBig2_GRRDProc);
+  std::unique_ptr<CJBig2_GRRDProc> pGRRD(new CJBig2_GRRDProc);
   pGRRD->GRW = ri.width;
   pGRRD->GRH = ri.height;
   pGRRD->GRTEMPLATE = cFlags & 0x01;
@@ -1237,10 +1237,10 @@ int32_t CJBig2_Context::parseGenericRefinementRegion(CJBig2_Segment* pSegment) {
   pGRRD->GRREFERENCEDX = 0;
   pGRRD->GRREFERENCEDY = 0;
   const size_t size = GetRefAggContextSize(pGRRD->GRTEMPLATE);
-  nonstd::unique_ptr<JBig2ArithCtx, FxFreeDeleter> grContext(
+  std::unique_ptr<JBig2ArithCtx, FxFreeDeleter> grContext(
       FX_Alloc(JBig2ArithCtx, size));
   JBIG2_memset(grContext.get(), 0, sizeof(JBig2ArithCtx) * size);
-  nonstd::unique_ptr<CJBig2_ArithDecoder> pArithDecoder(
+  std::unique_ptr<CJBig2_ArithDecoder> pArithDecoder(
       new CJBig2_ArithDecoder(m_pStream.get()));
   pSegment->m_nResultType = JBIG2_IMAGE_POINTER;
   pSegment->m_Result.im = pGRRD->decode(pArithDecoder.get(), grContext.get());
@@ -1268,7 +1268,7 @@ int32_t CJBig2_Context::parseGenericRefinementRegion(CJBig2_Segment* pSegment) {
 int32_t CJBig2_Context::parseTable(CJBig2_Segment* pSegment) {
   pSegment->m_nResultType = JBIG2_HUFFMAN_TABLE_POINTER;
   pSegment->m_Result.ht = nullptr;
-  nonstd::unique_ptr<CJBig2_HuffmanTable> pHuff(
+  std::unique_ptr<CJBig2_HuffmanTable> pHuff(
       new CJBig2_HuffmanTable(m_pStream.get()));
   if (!pHuff->IsOK())
     return JBIG2_ERROR_FATAL;
@@ -1301,7 +1301,7 @@ JBig2HuffmanCode* CJBig2_Context::decodeSymbolIDHuffmanTable(
   }
   huffman_assign_code(runcodes, runcodes_len, kRunCodesSize);
 
-  nonstd::unique_ptr<JBig2HuffmanCode, FxFreeDeleter> SBSYMCODES(
+  std::unique_ptr<JBig2HuffmanCode, FxFreeDeleter> SBSYMCODES(
       FX_Alloc(JBig2HuffmanCode, SBNUMSYMS));
   int32_t run;
   int32_t i = 0;
diff --git a/core/src/fxcodec/jbig2/JBig2_Context.h b/core/src/fxcodec/jbig2/JBig2_Context.h
index 1b8b391f9d..dd63bcd1b0 100644
--- a/core/src/fxcodec/jbig2/JBig2_Context.h
+++ b/core/src/fxcodec/jbig2/JBig2_Context.h
@@ -8,6 +8,7 @@
 #define CORE_SRC_FXCODEC_JBIG2_JBIG2_CONTEXT_H_
 
 #include <list>
+#include <memory>
 #include <utility>
 
 #include "JBig2_List.h"
@@ -15,7 +16,6 @@
 #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;
@@ -110,20 +110,20 @@ class CJBig2_Context {
 
  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;
diff --git a/core/src/fxcodec/jbig2/JBig2_GrdProc.cpp b/core/src/fxcodec/jbig2/JBig2_GrdProc.cpp
index fc654c0da8..803e4a70d4 100644
--- a/core/src/fxcodec/jbig2/JBig2_GrdProc.cpp
+++ b/core/src/fxcodec/jbig2/JBig2_GrdProc.cpp
@@ -6,11 +6,12 @@
 
 #include "JBig2_GrdProc.h"
 
+#include <memory>
+
 #include "JBig2_ArithDecoder.h"
 #include "JBig2_BitStream.h"
 #include "JBig2_Image.h"
 #include "core/include/fxcodec/fx_codec.h"
-#include "third_party/base/nonstd_unique_ptr.h"
 
 CJBig2_GRDProc::CJBig2_GRDProc()
     : m_loopIndex(0),
@@ -71,7 +72,7 @@ CJBig2_Image* CJBig2_GRDProc::decode_Arith_Template0_opt3(
   int32_t nStride, nStride2, k;
   int32_t nLineBytes, nBitsLeft, cc;
   LTP = 0;
-  nonstd::unique_ptr<CJBig2_Image> GBREG(new CJBig2_Image(GBW, GBH));
+  std::unique_ptr<CJBig2_Image> GBREG(new CJBig2_Image(GBW, GBH));
   if (!GBREG->m_pData)
     return nullptr;
 
@@ -158,7 +159,7 @@ CJBig2_Image* CJBig2_GRDProc::decode_Arith_Template0_unopt(
   FX_DWORD CONTEXT;
   FX_DWORD line1, line2, line3;
   LTP = 0;
-  nonstd::unique_ptr<CJBig2_Image> GBREG(new CJBig2_Image(GBW, GBH));
+  std::unique_ptr<CJBig2_Image> GBREG(new CJBig2_Image(GBW, GBH));
   GBREG->fill(0);
   for (FX_DWORD h = 0; h < GBH; h++) {
     if (TPGDON) {
@@ -209,7 +210,7 @@ CJBig2_Image* CJBig2_GRDProc::decode_Arith_Template1_opt3(
   int32_t nStride, nStride2, k;
   int32_t nLineBytes, nBitsLeft, cc;
   LTP = 0;
-  nonstd::unique_ptr<CJBig2_Image> GBREG(new CJBig2_Image(GBW, GBH));
+  std::unique_ptr<CJBig2_Image> GBREG(new CJBig2_Image(GBW, GBH));
   if (!GBREG->m_pData)
     return nullptr;
 
@@ -295,7 +296,7 @@ CJBig2_Image* CJBig2_GRDProc::decode_Arith_Template1_unopt(
   FX_DWORD CONTEXT;
   FX_DWORD line1, line2, line3;
   LTP = 0;
-  nonstd::unique_ptr<CJBig2_Image> GBREG(new CJBig2_Image(GBW, GBH));
+  std::unique_ptr<CJBig2_Image> GBREG(new CJBig2_Image(GBW, GBH));
   GBREG->fill(0);
   for (FX_DWORD h = 0; h < GBH; h++) {
     if (TPGDON) {
@@ -343,7 +344,7 @@ CJBig2_Image* CJBig2_GRDProc::decode_Arith_Template2_opt3(
   int32_t nStride, nStride2, k;
   int32_t nLineBytes, nBitsLeft, cc;
   LTP = 0;
-  nonstd::unique_ptr<CJBig2_Image> GBREG(new CJBig2_Image(GBW, GBH));
+  std::unique_ptr<CJBig2_Image> GBREG(new CJBig2_Image(GBW, GBH));
   if (!GBREG->m_pData)
     return nullptr;
 
@@ -429,7 +430,7 @@ CJBig2_Image* CJBig2_GRDProc::decode_Arith_Template2_unopt(
   FX_DWORD CONTEXT;
   FX_DWORD line1, line2, line3;
   LTP = 0;
-  nonstd::unique_ptr<CJBig2_Image> GBREG(new CJBig2_Image(GBW, GBH));
+  std::unique_ptr<CJBig2_Image> GBREG(new CJBig2_Image(GBW, GBH));
   GBREG->fill(0);
   for (FX_DWORD h = 0; h < GBH; h++) {
     if (TPGDON) {
@@ -476,7 +477,7 @@ CJBig2_Image* CJBig2_GRDProc::decode_Arith_Template3_opt3(
   int32_t nStride, k;
   int32_t nLineBytes, nBitsLeft, cc;
   LTP = 0;
-  nonstd::unique_ptr<CJBig2_Image> GBREG(new CJBig2_Image(GBW, GBH));
+  std::unique_ptr<CJBig2_Image> GBREG(new CJBig2_Image(GBW, GBH));
   if (!GBREG->m_pData)
     return nullptr;
 
@@ -548,7 +549,7 @@ CJBig2_Image* CJBig2_GRDProc::decode_Arith_Template3_unopt(
   FX_DWORD CONTEXT;
   FX_DWORD line1, line2;
   LTP = 0;
-  nonstd::unique_ptr<CJBig2_Image> GBREG(new CJBig2_Image(GBW, GBH));
+  std::unique_ptr<CJBig2_Image> GBREG(new CJBig2_Image(GBW, GBH));
   GBREG->fill(0);
   for (FX_DWORD h = 0; h < GBH; h++) {
     if (TPGDON) {
diff --git a/core/src/fxcodec/jbig2/JBig2_GrrdProc.cpp b/core/src/fxcodec/jbig2/JBig2_GrrdProc.cpp
index 549669a72f..e1c5e19fa6 100644
--- a/core/src/fxcodec/jbig2/JBig2_GrrdProc.cpp
+++ b/core/src/fxcodec/jbig2/JBig2_GrrdProc.cpp
@@ -6,10 +6,11 @@
 
 #include "JBig2_GrrdProc.h"
 
+#include <memory>
+
 #include "JBig2_ArithDecoder.h"
 #include "JBig2_BitStream.h"
 #include "JBig2_Image.h"
-#include "third_party/base/nonstd_unique_ptr.h"
 
 CJBig2_Image* CJBig2_GRRDProc::decode(CJBig2_ArithDecoder* pArithDecoder,
                                       JBig2ArithCtx* grContext) {
@@ -37,7 +38,7 @@ CJBig2_Image* CJBig2_GRRDProc::decode_Template0_unopt(
   FX_DWORD CONTEXT;
   FX_DWORD line1, line2, line3, line4, line5;
   LTP = 0;
-  nonstd::unique_ptr<CJBig2_Image> GRREG(new CJBig2_Image(GRW, GRH));
+  std::unique_ptr<CJBig2_Image> GRREG(new CJBig2_Image(GRW, GRH));
   GRREG->fill(0);
   for (FX_DWORD h = 0; h < GRH; h++) {
     if (TPGRON) {
@@ -162,7 +163,7 @@ CJBig2_Image* CJBig2_GRRDProc::decode_Template0_opt(
   GRW = (int32_t)CJBig2_GRRDProc::GRW;
   GRH = (int32_t)CJBig2_GRRDProc::GRH;
   LTP = 0;
-  nonstd::unique_ptr<CJBig2_Image> GRREG(new CJBig2_Image(GRW, GRH));
+  std::unique_ptr<CJBig2_Image> GRREG(new CJBig2_Image(GRW, GRH));
   if (!GRREG->m_pData)
     return nullptr;
 
@@ -289,7 +290,7 @@ CJBig2_Image* CJBig2_GRRDProc::decode_Template1_unopt(
   FX_DWORD CONTEXT;
   FX_DWORD line1, line2, line3, line4, line5;
   LTP = 0;
-  nonstd::unique_ptr<CJBig2_Image> GRREG(new CJBig2_Image(GRW, GRH));
+  std::unique_ptr<CJBig2_Image> GRREG(new CJBig2_Image(GRW, GRH));
   GRREG->fill(0);
   for (FX_DWORD h = 0; h < GRH; h++) {
     if (TPGRON) {
@@ -400,7 +401,7 @@ CJBig2_Image* CJBig2_GRRDProc::decode_Template1_opt(
   GRW = (int32_t)CJBig2_GRRDProc::GRW;
   GRH = (int32_t)CJBig2_GRRDProc::GRH;
   LTP = 0;
-  nonstd::unique_ptr<CJBig2_Image> GRREG(new CJBig2_Image(GRW, GRH));
+  std::unique_ptr<CJBig2_Image> GRREG(new CJBig2_Image(GRW, GRH));
   if (!GRREG->m_pData)
     return nullptr;
 
diff --git a/core/src/fxcodec/jbig2/JBig2_GsidProc.cpp b/core/src/fxcodec/jbig2/JBig2_GsidProc.cpp
index 53af1fd16e..5871efb16d 100644
--- a/core/src/fxcodec/jbig2/JBig2_GsidProc.cpp
+++ b/core/src/fxcodec/jbig2/JBig2_GsidProc.cpp
@@ -6,17 +6,18 @@
 
 #include "JBig2_GsidProc.h"
 
+#include <memory>
+
 #include "JBig2_BitStream.h"
 #include "JBig2_GrdProc.h"
 #include "JBig2_Image.h"
 #include "JBig2_List.h"
 #include "core/include/fxcrt/fx_basic.h"
-#include "third_party/base/nonstd_unique_ptr.h"
 
 FX_DWORD* CJBig2_GSIDProc::decode_Arith(CJBig2_ArithDecoder* pArithDecoder,
                                         JBig2ArithCtx* gbContext,
                                         IFX_Pause* pPause) {
-  nonstd::unique_ptr<CJBig2_GRDProc> pGRD(new CJBig2_GRDProc());
+  std::unique_ptr<CJBig2_GRDProc> pGRD(new CJBig2_GRDProc());
   pGRD->MMR = GSMMR;
   pGRD->GBW = GSW;
   pGRD->GBH = GSH;
@@ -55,7 +56,7 @@ FX_DWORD* CJBig2_GSIDProc::decode_Arith(CJBig2_ArithDecoder* pArithDecoder,
     if (i < GSBPP - 1)
       pImage->composeFrom(0, 0, GSPLANES.get(i + 1), JBIG2_COMPOSE_XOR);
   }
-  nonstd::unique_ptr<FX_DWORD, FxFreeDeleter> GSVALS(
+  std::unique_ptr<FX_DWORD, FxFreeDeleter> GSVALS(
       FX_Alloc2D(FX_DWORD, GSW, GSH));
   JBIG2_memset(GSVALS.get(), 0, sizeof(FX_DWORD) * GSW * GSH);
   for (FX_DWORD y = 0; y < GSH; ++y) {
@@ -70,12 +71,12 @@ FX_DWORD* CJBig2_GSIDProc::decode_Arith(CJBig2_ArithDecoder* pArithDecoder,
 
 FX_DWORD* CJBig2_GSIDProc::decode_MMR(CJBig2_BitStream* pStream,
                                       IFX_Pause* pPause) {
-  nonstd::unique_ptr<CJBig2_GRDProc> pGRD(new CJBig2_GRDProc());
+  std::unique_ptr<CJBig2_GRDProc> pGRD(new CJBig2_GRDProc());
   pGRD->MMR = GSMMR;
   pGRD->GBW = GSW;
   pGRD->GBH = GSH;
 
-  nonstd::unique_ptr<CJBig2_Image*> GSPLANES(FX_Alloc(CJBig2_Image*, GSBPP));
+  std::unique_ptr<CJBig2_Image*> GSPLANES(FX_Alloc(CJBig2_Image*, GSBPP));
   JBIG2_memset(GSPLANES.get(), 0, sizeof(CJBig2_Image*) * GSBPP);
   FXCODEC_STATUS status =
       pGRD->Start_decode_MMR(&GSPLANES.get()[GSBPP - 1], pStream, nullptr);
@@ -106,7 +107,7 @@ FX_DWORD* CJBig2_GSIDProc::decode_MMR(CJBig2_BitStream* pStream,
                                    JBIG2_COMPOSE_XOR);
     J = J - 1;
   }
-  nonstd::unique_ptr<FX_DWORD> GSVALS(FX_Alloc2D(FX_DWORD, GSW, GSH));
+  std::unique_ptr<FX_DWORD> GSVALS(FX_Alloc2D(FX_DWORD, GSW, GSH));
   JBIG2_memset(GSVALS.get(), 0, sizeof(FX_DWORD) * GSW * GSH);
   for (FX_DWORD y = 0; y < GSH; ++y) {
     for (FX_DWORD x = 0; x < GSW; ++x) {
diff --git a/core/src/fxcodec/jbig2/JBig2_HtrdProc.cpp b/core/src/fxcodec/jbig2/JBig2_HtrdProc.cpp
index 127ef0333c..377af58dfa 100644
--- a/core/src/fxcodec/jbig2/JBig2_HtrdProc.cpp
+++ b/core/src/fxcodec/jbig2/JBig2_HtrdProc.cpp
@@ -6,9 +6,10 @@
 
 #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,
@@ -17,8 +18,8 @@ CJBig2_Image* CJBig2_HTRDProc::decode_Arith(CJBig2_ArithDecoder* pArithDecoder,
   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));
@@ -39,7 +40,7 @@ CJBig2_Image* CJBig2_HTRDProc::decode_Arith(CJBig2_ArithDecoder* pArithDecoder,
   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;
@@ -71,13 +72,13 @@ CJBig2_Image* CJBig2_HTRDProc::decode_MMR(CJBig2_BitStream* pStream,
   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;
diff --git a/core/src/fxcodec/jbig2/JBig2_PddProc.cpp b/core/src/fxcodec/jbig2/JBig2_PddProc.cpp
index fbe9e4b17f..179077466c 100644
--- a/core/src/fxcodec/jbig2/JBig2_PddProc.cpp
+++ b/core/src/fxcodec/jbig2/JBig2_PddProc.cpp
@@ -6,10 +6,11 @@
 
 #include "JBig2_PddProc.h"
 
+#include <memory>
+
 #include "JBig2_GrdProc.h"
 #include "JBig2_Image.h"
 #include "JBig2_PatternDict.h"
-#include "third_party/base/nonstd_unique_ptr.h"
 
 CJBig2_PatternDict* CJBig2_PDDProc::decode_Arith(
     CJBig2_ArithDecoder* pArithDecoder,
@@ -17,12 +18,12 @@ CJBig2_PatternDict* CJBig2_PDDProc::decode_Arith(
     IFX_Pause* pPause) {
   FX_DWORD GRAY;
   CJBig2_Image* BHDC = nullptr;
-  nonstd::unique_ptr<CJBig2_PatternDict> pDict(new CJBig2_PatternDict());
+  std::unique_ptr<CJBig2_PatternDict> pDict(new CJBig2_PatternDict());
   pDict->NUMPATS = GRAYMAX + 1;
   pDict->HDPATS = FX_Alloc(CJBig2_Image*, pDict->NUMPATS);
   JBIG2_memset(pDict->HDPATS, 0, sizeof(CJBig2_Image*) * pDict->NUMPATS);
 
-  nonstd::unique_ptr<CJBig2_GRDProc> pGRD(new CJBig2_GRDProc());
+  std::unique_ptr<CJBig2_GRDProc> pGRD(new CJBig2_GRDProc());
   pGRD->MMR = HDMMR;
   pGRD->GBW = (GRAYMAX + 1) * HDPW;
   pGRD->GBH = HDPH;
@@ -60,12 +61,12 @@ CJBig2_PatternDict* CJBig2_PDDProc::decode_MMR(CJBig2_BitStream* pStream,
                                                IFX_Pause* pPause) {
   FX_DWORD GRAY;
   CJBig2_Image* BHDC = nullptr;
-  nonstd::unique_ptr<CJBig2_PatternDict> pDict(new CJBig2_PatternDict());
+  std::unique_ptr<CJBig2_PatternDict> pDict(new CJBig2_PatternDict());
   pDict->NUMPATS = GRAYMAX + 1;
   pDict->HDPATS = FX_Alloc(CJBig2_Image*, pDict->NUMPATS);
   JBIG2_memset(pDict->HDPATS, 0, sizeof(CJBig2_Image*) * pDict->NUMPATS);
 
-  nonstd::unique_ptr<CJBig2_GRDProc> pGRD(new CJBig2_GRDProc());
+  std::unique_ptr<CJBig2_GRDProc> pGRD(new CJBig2_GRDProc());
   pGRD->MMR = HDMMR;
   pGRD->GBW = (GRAYMAX + 1) * HDPW;
   pGRD->GBH = HDPH;
diff --git a/core/src/fxcodec/jbig2/JBig2_SddProc.cpp b/core/src/fxcodec/jbig2/JBig2_SddProc.cpp
index e9ce932d91..faa70621ab 100644
--- a/core/src/fxcodec/jbig2/JBig2_SddProc.cpp
+++ b/core/src/fxcodec/jbig2/JBig2_SddProc.cpp
@@ -6,6 +6,7 @@
 
 #include "core/src/fxcodec/jbig2/JBig2_SddProc.h"
 
+#include <memory>
 #include <vector>
 
 #include "core/include/fxcrt/fx_basic.h"
@@ -17,7 +18,6 @@
 #include "core/src/fxcodec/jbig2/JBig2_HuffmanTable_Standard.h"
 #include "core/src/fxcodec/jbig2/JBig2_SymbolDict.h"
 #include "core/src/fxcodec/jbig2/JBig2_TrdProc.h"
-#include "third_party/base/nonstd_unique_ptr.h"
 
 CJBig2_SymbolDict* CJBig2_SDDProc::decode_Arith(
     CJBig2_ArithDecoder* pArithDecoder,
@@ -39,21 +39,21 @@ CJBig2_SymbolDict* CJBig2_SDDProc::decode_Arith(
   uint8_t SBSYMCODELEN;
   int32_t RDXI, RDYI;
   CJBig2_Image** SBSYMS;
-  nonstd::unique_ptr<CJBig2_ArithIaidDecoder> IAID;
-  nonstd::unique_ptr<CJBig2_SymbolDict> pDict;
-  nonstd::unique_ptr<CJBig2_ArithIntDecoder> IADH(new CJBig2_ArithIntDecoder);
-  nonstd::unique_ptr<CJBig2_ArithIntDecoder> IADW(new CJBig2_ArithIntDecoder);
-  nonstd::unique_ptr<CJBig2_ArithIntDecoder> IAAI(new CJBig2_ArithIntDecoder);
-  nonstd::unique_ptr<CJBig2_ArithIntDecoder> IARDX(new CJBig2_ArithIntDecoder);
-  nonstd::unique_ptr<CJBig2_ArithIntDecoder> IARDY(new CJBig2_ArithIntDecoder);
-  nonstd::unique_ptr<CJBig2_ArithIntDecoder> IAEX(new CJBig2_ArithIntDecoder);
-  nonstd::unique_ptr<CJBig2_ArithIntDecoder> IADT(new CJBig2_ArithIntDecoder);
-  nonstd::unique_ptr<CJBig2_ArithIntDecoder> IAFS(new CJBig2_ArithIntDecoder);
-  nonstd::unique_ptr<CJBig2_ArithIntDecoder> IADS(new CJBig2_ArithIntDecoder);
-  nonstd::unique_ptr<CJBig2_ArithIntDecoder> IAIT(new CJBig2_ArithIntDecoder);
-  nonstd::unique_ptr<CJBig2_ArithIntDecoder> IARI(new CJBig2_ArithIntDecoder);
-  nonstd::unique_ptr<CJBig2_ArithIntDecoder> IARDW(new CJBig2_ArithIntDecoder);
-  nonstd::unique_ptr<CJBig2_ArithIntDecoder> IARDH(new CJBig2_ArithIntDecoder);
+  std::unique_ptr<CJBig2_ArithIaidDecoder> IAID;
+  std::unique_ptr<CJBig2_SymbolDict> pDict;
+  std::unique_ptr<CJBig2_ArithIntDecoder> IADH(new CJBig2_ArithIntDecoder);
+  std::unique_ptr<CJBig2_ArithIntDecoder> IADW(new CJBig2_ArithIntDecoder);
+  std::unique_ptr<CJBig2_ArithIntDecoder> IAAI(new CJBig2_ArithIntDecoder);
+  std::unique_ptr<CJBig2_ArithIntDecoder> IARDX(new CJBig2_ArithIntDecoder);
+  std::unique_ptr<CJBig2_ArithIntDecoder> IARDY(new CJBig2_ArithIntDecoder);
+  std::unique_ptr<CJBig2_ArithIntDecoder> IAEX(new CJBig2_ArithIntDecoder);
+  std::unique_ptr<CJBig2_ArithIntDecoder> IADT(new CJBig2_ArithIntDecoder);
+  std::unique_ptr<CJBig2_ArithIntDecoder> IAFS(new CJBig2_ArithIntDecoder);
+  std::unique_ptr<CJBig2_ArithIntDecoder> IADS(new CJBig2_ArithIntDecoder);
+  std::unique_ptr<CJBig2_ArithIntDecoder> IAIT(new CJBig2_ArithIntDecoder);
+  std::unique_ptr<CJBig2_ArithIntDecoder> IARI(new CJBig2_ArithIntDecoder);
+  std::unique_ptr<CJBig2_ArithIntDecoder> IARDW(new CJBig2_ArithIntDecoder);
+  std::unique_ptr<CJBig2_ArithIntDecoder> IARDH(new CJBig2_ArithIntDecoder);
   nTmp = 0;
   while ((FX_DWORD)(1 << nTmp) < (SDNUMINSYMS + SDNUMNEWSYMS)) {
     nTmp++;
@@ -92,7 +92,7 @@ CJBig2_SymbolDict* CJBig2_SDDProc::decode_Arith(
       }
       TOTWIDTH = TOTWIDTH + SYMWIDTH;
       if (SDREFAGG == 0) {
-        nonstd::unique_ptr<CJBig2_GRDProc> pGRD(new CJBig2_GRDProc());
+        std::unique_ptr<CJBig2_GRDProc> pGRD(new CJBig2_GRDProc());
         pGRD->MMR = 0;
         pGRD->GBW = SYMWIDTH;
         pGRD->GBH = HCHEIGHT;
@@ -114,7 +114,7 @@ CJBig2_SymbolDict* CJBig2_SDDProc::decode_Arith(
       } else {
         IAAI->decode(pArithDecoder, (int*)&REFAGGNINST);
         if (REFAGGNINST > 1) {
-          nonstd::unique_ptr<CJBig2_TRDProc> pDecoder(new CJBig2_TRDProc());
+          std::unique_ptr<CJBig2_TRDProc> pDecoder(new CJBig2_TRDProc());
           pDecoder->SBHUFF = SDHUFF;
           pDecoder->SBREFINE = 1;
           pDecoder->SBW = SYMWIDTH;
@@ -139,35 +139,32 @@ CJBig2_SymbolDict* CJBig2_SDDProc::decode_Arith(
           pDecoder->TRANSPOSED = 0;
           pDecoder->REFCORNER = JBIG2_CORNER_TOPLEFT;
           pDecoder->SBDSOFFSET = 0;
-          nonstd::unique_ptr<CJBig2_HuffmanTable> SBHUFFFS(
-              new CJBig2_HuffmanTable(HuffmanTable_B6,
-                                      FX_ArraySize(HuffmanTable_B6),
-                                      HuffmanTable_HTOOB_B6));
-          nonstd::unique_ptr<CJBig2_HuffmanTable> SBHUFFDS(
-              new CJBig2_HuffmanTable(HuffmanTable_B8,
-                                      FX_ArraySize(HuffmanTable_B8),
-                                      HuffmanTable_HTOOB_B8));
-          nonstd::unique_ptr<CJBig2_HuffmanTable> SBHUFFDT(
-              new CJBig2_HuffmanTable(HuffmanTable_B11,
-                                      FX_ArraySize(HuffmanTable_B11),
-                                      HuffmanTable_HTOOB_B11));
-          nonstd::unique_ptr<CJBig2_HuffmanTable> SBHUFFRDW(
+          std::unique_ptr<CJBig2_HuffmanTable> SBHUFFFS(new CJBig2_HuffmanTable(
+              HuffmanTable_B6, FX_ArraySize(HuffmanTable_B6),
+              HuffmanTable_HTOOB_B6));
+          std::unique_ptr<CJBig2_HuffmanTable> SBHUFFDS(new CJBig2_HuffmanTable(
+              HuffmanTable_B8, FX_ArraySize(HuffmanTable_B8),
+              HuffmanTable_HTOOB_B8));
+          std::unique_ptr<CJBig2_HuffmanTable> SBHUFFDT(new CJBig2_HuffmanTable(
+              HuffmanTable_B11, FX_ArraySize(HuffmanTable_B11),
+              HuffmanTable_HTOOB_B11));
+          std::unique_ptr<CJBig2_HuffmanTable> SBHUFFRDW(
               new CJBig2_HuffmanTable(HuffmanTable_B15,
                                       FX_ArraySize(HuffmanTable_B15),
                                       HuffmanTable_HTOOB_B15));
-          nonstd::unique_ptr<CJBig2_HuffmanTable> SBHUFFRDH(
+          std::unique_ptr<CJBig2_HuffmanTable> SBHUFFRDH(
               new CJBig2_HuffmanTable(HuffmanTable_B15,
                                       FX_ArraySize(HuffmanTable_B15),
                                       HuffmanTable_HTOOB_B15));
-          nonstd::unique_ptr<CJBig2_HuffmanTable> SBHUFFRDX(
+          std::unique_ptr<CJBig2_HuffmanTable> SBHUFFRDX(
               new CJBig2_HuffmanTable(HuffmanTable_B15,
                                       FX_ArraySize(HuffmanTable_B15),
                                       HuffmanTable_HTOOB_B15));
-          nonstd::unique_ptr<CJBig2_HuffmanTable> SBHUFFRDY(
+          std::unique_ptr<CJBig2_HuffmanTable> SBHUFFRDY(
               new CJBig2_HuffmanTable(HuffmanTable_B15,
                                       FX_ArraySize(HuffmanTable_B15),
                                       HuffmanTable_HTOOB_B15));
-          nonstd::unique_ptr<CJBig2_HuffmanTable> SBHUFFRSIZE(
+          std::unique_ptr<CJBig2_HuffmanTable> SBHUFFRSIZE(
               new CJBig2_HuffmanTable(HuffmanTable_B1,
                                       FX_ArraySize(HuffmanTable_B1),
                                       HuffmanTable_HTOOB_B1));
@@ -218,7 +215,7 @@ CJBig2_SymbolDict* CJBig2_SDDProc::decode_Arith(
             FX_Free(SBSYMS);
             goto failed;
           }
-          nonstd::unique_ptr<CJBig2_GRRDProc> pGRRD(new CJBig2_GRRDProc());
+          std::unique_ptr<CJBig2_GRRDProc> pGRRD(new CJBig2_GRRDProc());
           pGRRD->GRW = SYMWIDTH;
           pGRRD->GRH = HCHEIGHT;
           pGRRD->GRTEMPLATE = SDRTEMPLATE;
@@ -315,7 +312,7 @@ CJBig2_SymbolDict* CJBig2_SDDProc::decode_Huffman(
   FX_DWORD BMSIZE;
   FX_DWORD stride;
   CJBig2_Image** SBSYMS;
-  nonstd::unique_ptr<CJBig2_HuffmanDecoder> pHuffmanDecoder(
+  std::unique_ptr<CJBig2_HuffmanDecoder> pHuffmanDecoder(
       new CJBig2_HuffmanDecoder(pStream));
   SDNEWSYMS = FX_Alloc(CJBig2_Image*, SDNUMNEWSYMS);
   FXSYS_memset(SDNEWSYMS, 0, SDNUMNEWSYMS * sizeof(CJBig2_Image*));
@@ -325,8 +322,8 @@ CJBig2_SymbolDict* CJBig2_SDDProc::decode_Huffman(
     SDNEWSYMWIDTHS = FX_Alloc(FX_DWORD, SDNUMNEWSYMS);
     FXSYS_memset(SDNEWSYMWIDTHS, 0, SDNUMNEWSYMS * sizeof(FX_DWORD));
   }
-  nonstd::unique_ptr<CJBig2_SymbolDict> pDict(new CJBig2_SymbolDict());
-  nonstd::unique_ptr<CJBig2_HuffmanTable> pTable;
+  std::unique_ptr<CJBig2_SymbolDict> pDict(new CJBig2_SymbolDict());
+  std::unique_ptr<CJBig2_HuffmanTable> pTable;
 
   HCHEIGHT = 0;
   NSYMSDECODED = 0;
@@ -370,7 +367,7 @@ CJBig2_SymbolDict* CJBig2_SDDProc::decode_Huffman(
         }
         BS = nullptr;
         if (REFAGGNINST > 1) {
-          nonstd::unique_ptr<CJBig2_TRDProc> pDecoder(new CJBig2_TRDProc());
+          std::unique_ptr<CJBig2_TRDProc> pDecoder(new CJBig2_TRDProc());
           pDecoder->SBHUFF = SDHUFF;
           pDecoder->SBREFINE = 1;
           pDecoder->SBW = SYMWIDTH;
@@ -399,35 +396,32 @@ CJBig2_SymbolDict* CJBig2_SDDProc::decode_Huffman(
           pDecoder->TRANSPOSED = 0;
           pDecoder->REFCORNER = JBIG2_CORNER_TOPLEFT;
           pDecoder->SBDSOFFSET = 0;
-          nonstd::unique_ptr<CJBig2_HuffmanTable> SBHUFFFS(
-              new CJBig2_HuffmanTable(HuffmanTable_B6,
-                                      FX_ArraySize(HuffmanTable_B6),
-                                      HuffmanTable_HTOOB_B6));
-          nonstd::unique_ptr<CJBig2_HuffmanTable> SBHUFFDS(
-              new CJBig2_HuffmanTable(HuffmanTable_B8,
-                                      FX_ArraySize(HuffmanTable_B8),
-                                      HuffmanTable_HTOOB_B8));
-          nonstd::unique_ptr<CJBig2_HuffmanTable> SBHUFFDT(
-              new CJBig2_HuffmanTable(HuffmanTable_B11,
-                                      FX_ArraySize(HuffmanTable_B11),
-                                      HuffmanTable_HTOOB_B11));
-          nonstd::unique_ptr<CJBig2_HuffmanTable> SBHUFFRDW(
+          std::unique_ptr<CJBig2_HuffmanTable> SBHUFFFS(new CJBig2_HuffmanTable(
+              HuffmanTable_B6, FX_ArraySize(HuffmanTable_B6),
+              HuffmanTable_HTOOB_B6));
+          std::unique_ptr<CJBig2_HuffmanTable> SBHUFFDS(new CJBig2_HuffmanTable(
+              HuffmanTable_B8, FX_ArraySize(HuffmanTable_B8),
+              HuffmanTable_HTOOB_B8));
+          std::unique_ptr<CJBig2_HuffmanTable> SBHUFFDT(new CJBig2_HuffmanTable(
+              HuffmanTable_B11, FX_ArraySize(HuffmanTable_B11),
+              HuffmanTable_HTOOB_B11));
+          std::unique_ptr<CJBig2_HuffmanTable> SBHUFFRDW(
               new CJBig2_HuffmanTable(HuffmanTable_B15,
                                       FX_ArraySize(HuffmanTable_B15),
                                       HuffmanTable_HTOOB_B15));
-          nonstd::unique_ptr<CJBig2_HuffmanTable> SBHUFFRDH(
+          std::unique_ptr<CJBig2_HuffmanTable> SBHUFFRDH(
               new CJBig2_HuffmanTable(HuffmanTable_B15,
                                       FX_ArraySize(HuffmanTable_B15),
                                       HuffmanTable_HTOOB_B15));
-          nonstd::unique_ptr<CJBig2_HuffmanTable> SBHUFFRDX(
+          std::unique_ptr<CJBig2_HuffmanTable> SBHUFFRDX(
               new CJBig2_HuffmanTable(HuffmanTable_B15,
                                       FX_ArraySize(HuffmanTable_B15),
                                       HuffmanTable_HTOOB_B15));
-          nonstd::unique_ptr<CJBig2_HuffmanTable> SBHUFFRDY(
+          std::unique_ptr<CJBig2_HuffmanTable> SBHUFFRDY(
               new CJBig2_HuffmanTable(HuffmanTable_B15,
                                       FX_ArraySize(HuffmanTable_B15),
                                       HuffmanTable_HTOOB_B15));
-          nonstd::unique_ptr<CJBig2_HuffmanTable> SBHUFFRSIZE(
+          std::unique_ptr<CJBig2_HuffmanTable> SBHUFFRSIZE(
               new CJBig2_HuffmanTable(HuffmanTable_B1,
                                       FX_ArraySize(HuffmanTable_B1),
                                       HuffmanTable_HTOOB_B1));
@@ -483,11 +477,11 @@ CJBig2_SymbolDict* CJBig2_SDDProc::decode_Huffman(
             }
           }
           FX_Free(SBSYMCODES);
-          nonstd::unique_ptr<CJBig2_HuffmanTable> SBHUFFRDX(
+          std::unique_ptr<CJBig2_HuffmanTable> SBHUFFRDX(
               new CJBig2_HuffmanTable(HuffmanTable_B15,
                                       FX_ArraySize(HuffmanTable_B15),
                                       HuffmanTable_HTOOB_B15));
-          nonstd::unique_ptr<CJBig2_HuffmanTable> SBHUFFRSIZE(
+          std::unique_ptr<CJBig2_HuffmanTable> SBHUFFRSIZE(
               new CJBig2_HuffmanTable(HuffmanTable_B1,
                                       FX_ArraySize(HuffmanTable_B1),
                                       HuffmanTable_HTOOB_B1));
@@ -502,7 +496,7 @@ CJBig2_SymbolDict* CJBig2_SDDProc::decode_Huffman(
           JBIG2_memcpy(SBSYMS, SDINSYMS, SDNUMINSYMS * sizeof(CJBig2_Image*));
           JBIG2_memcpy(SBSYMS + SDNUMINSYMS, SDNEWSYMS,
                        NSYMSDECODED * sizeof(CJBig2_Image*));
-          nonstd::unique_ptr<CJBig2_GRRDProc> pGRRD(new CJBig2_GRRDProc());
+          std::unique_ptr<CJBig2_GRRDProc> pGRRD(new CJBig2_GRRDProc());
           pGRRD->GRW = SYMWIDTH;
           pGRRD->GRH = HCHEIGHT;
           pGRRD->GRTEMPLATE = SDRTEMPLATE;
@@ -514,7 +508,7 @@ CJBig2_SymbolDict* CJBig2_SDDProc::decode_Huffman(
           pGRRD->GRAT[1] = SDRAT[1];
           pGRRD->GRAT[2] = SDRAT[2];
           pGRRD->GRAT[3] = SDRAT[3];
-          nonstd::unique_ptr<CJBig2_ArithDecoder> pArithDecoder(
+          std::unique_ptr<CJBig2_ArithDecoder> pArithDecoder(
               new CJBig2_ArithDecoder(pStream));
           BS = pGRRD->decode(pArithDecoder.get(), grContext->data());
           if (!BS) {
@@ -555,7 +549,7 @@ CJBig2_SymbolDict* CJBig2_SDDProc::decode_Huffman(
           goto failed;
         }
       } else {
-        nonstd::unique_ptr<CJBig2_GRDProc> pGRD(new CJBig2_GRDProc());
+        std::unique_ptr<CJBig2_GRDProc> pGRD(new CJBig2_GRDProc());
         pGRD->MMR = 1;
         pGRD->GBW = TOTWIDTH;
         pGRD->GBH = HCHEIGHT;
diff --git a/core/src/fxcodec/jbig2/JBig2_SymbolDict.cpp b/core/src/fxcodec/jbig2/JBig2_SymbolDict.cpp
index b1e56c0061..1e949c5d26 100644
--- a/core/src/fxcodec/jbig2/JBig2_SymbolDict.cpp
+++ b/core/src/fxcodec/jbig2/JBig2_SymbolDict.cpp
@@ -15,9 +15,9 @@ CJBig2_SymbolDict::CJBig2_SymbolDict() {
 CJBig2_SymbolDict::~CJBig2_SymbolDict() {
 }
 
-nonstd::unique_ptr<CJBig2_SymbolDict> CJBig2_SymbolDict::DeepCopy() const {
+std::unique_ptr<CJBig2_SymbolDict> CJBig2_SymbolDict::DeepCopy() const {
   const CJBig2_SymbolDict* src = this;
-  nonstd::unique_ptr<CJBig2_SymbolDict> dst(new CJBig2_SymbolDict);
+  std::unique_ptr<CJBig2_SymbolDict> dst(new CJBig2_SymbolDict);
   for (size_t i = 0; i < src->m_SDEXSYMS.size(); ++i) {
     CJBig2_Image* image = src->m_SDEXSYMS.get(i);
     dst->m_SDEXSYMS.push_back(image ? new CJBig2_Image(*image) : nullptr);
diff --git a/core/src/fxcodec/jbig2/JBig2_SymbolDict.h b/core/src/fxcodec/jbig2/JBig2_SymbolDict.h
index 5c7fe3c479..6f6b303640 100644
--- a/core/src/fxcodec/jbig2/JBig2_SymbolDict.h
+++ b/core/src/fxcodec/jbig2/JBig2_SymbolDict.h
@@ -7,12 +7,12 @@
 #ifndef CORE_SRC_FXCODEC_JBIG2_JBIG2_SYMBOLDICT_H_
 #define CORE_SRC_FXCODEC_JBIG2_JBIG2_SYMBOLDICT_H_
 
+#include <memory>
 #include <vector>
 
 #include "JBig2_ArithDecoder.h"
 #include "JBig2_List.h"
 #include "core/include/fxcrt/fx_basic.h"
-#include "third_party/base/nonstd_unique_ptr.h"
 
 class CJBig2_Image;
 
@@ -21,7 +21,7 @@ class CJBig2_SymbolDict {
   CJBig2_SymbolDict();
   ~CJBig2_SymbolDict();
 
-  nonstd::unique_ptr<CJBig2_SymbolDict> DeepCopy() const;
+  std::unique_ptr<CJBig2_SymbolDict> DeepCopy() const;
 
   // Takes ownership of |image|.
   void AddImage(CJBig2_Image* image) { m_SDEXSYMS.push_back(image); }
diff --git a/core/src/fxcodec/jbig2/JBig2_TrdProc.cpp b/core/src/fxcodec/jbig2/JBig2_TrdProc.cpp
index d76beea8e2..e3fd47894e 100644
--- a/core/src/fxcodec/jbig2/JBig2_TrdProc.cpp
+++ b/core/src/fxcodec/jbig2/JBig2_TrdProc.cpp
@@ -6,11 +6,12 @@
 
 #include "JBig2_TrdProc.h"
 
+#include <memory>
+
 #include "JBig2_ArithDecoder.h"
 #include "JBig2_ArithIntDecoder.h"
 #include "JBig2_GrrdProc.h"
 #include "JBig2_HuffmanDecoder.h"
-#include "third_party/base/nonstd_unique_ptr.h"
 
 CJBig2_Image* CJBig2_TRDProc::decode_Huffman(CJBig2_BitStream* pStream,
                                              JBig2ArithCtx* grContext) {
@@ -28,9 +29,9 @@ CJBig2_Image* CJBig2_TRDProc::decode_Huffman(CJBig2_BitStream* pStream,
   FX_BOOL bFirst;
   FX_DWORD nTmp;
   int32_t nVal, nBits;
-  nonstd::unique_ptr<CJBig2_HuffmanDecoder> pHuffmanDecoder(
+  std::unique_ptr<CJBig2_HuffmanDecoder> pHuffmanDecoder(
       new CJBig2_HuffmanDecoder(pStream));
-  nonstd::unique_ptr<CJBig2_Image> SBREG(new CJBig2_Image(SBW, SBH));
+  std::unique_ptr<CJBig2_Image> SBREG(new CJBig2_Image(SBW, SBH));
   SBREG->fill(SBDEFPIXEL);
   if (pHuffmanDecoder->decodeAValue(SBHUFFDT, &STRIPT) != 0)
     return nullptr;
@@ -123,7 +124,7 @@ CJBig2_Image* CJBig2_TRDProc::decode_Huffman(CJBig2_BitStream* pStream,
         if ((int)(WOI + RDWI) < 0 || (int)(HOI + RDHI) < 0)
           return nullptr;
 
-        nonstd::unique_ptr<CJBig2_GRRDProc> pGRRD(new CJBig2_GRRDProc());
+        std::unique_ptr<CJBig2_GRRDProc> pGRRD(new CJBig2_GRRDProc());
         pGRRD->GRW = WOI + RDWI;
         pGRRD->GRH = HOI + RDHI;
         pGRRD->GRTEMPLATE = SBRTEMPLATE;
@@ -137,7 +138,7 @@ CJBig2_Image* CJBig2_TRDProc::decode_Huffman(CJBig2_BitStream* pStream,
         pGRRD->GRAT[3] = SBRAT[3];
 
         {
-          nonstd::unique_ptr<CJBig2_ArithDecoder> pArithDecoder(
+          std::unique_ptr<CJBig2_ArithDecoder> pArithDecoder(
               new CJBig2_ArithDecoder(pStream));
           IBI = pGRRD->decode(pArithDecoder.get(), grContext);
           if (!IBI)
@@ -255,7 +256,7 @@ CJBig2_Image* CJBig2_TRDProc::decode_Arith(CJBig2_ArithDecoder* pArithDecoder,
     IAID = new CJBig2_ArithIaidDecoder(SBSYMCODELEN);
     bRetained = FALSE;
   }
-  nonstd::unique_ptr<CJBig2_Image> SBREG(new CJBig2_Image(SBW, SBH));
+  std::unique_ptr<CJBig2_Image> SBREG(new CJBig2_Image(SBW, SBH));
   SBREG->fill(SBDEFPIXEL);
   IADT->decode(pArithDecoder, &STRIPT);
   STRIPT *= SBSTRIPS;
@@ -312,7 +313,7 @@ CJBig2_Image* CJBig2_TRDProc::decode_Arith(CJBig2_ArithDecoder* pArithDecoder,
         if ((int)(WOI + RDWI) < 0 || (int)(HOI + RDHI) < 0) {
           goto failed;
         }
-        nonstd::unique_ptr<CJBig2_GRRDProc> pGRRD(new CJBig2_GRRDProc());
+        std::unique_ptr<CJBig2_GRRDProc> pGRRD(new CJBig2_GRRDProc());
         pGRRD->GRW = WOI + RDWI;
         pGRRD->GRH = HOI + RDHI;
         pGRRD->GRTEMPLATE = SBRTEMPLATE;