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

core/src/fpdfapi/fpdf_page/fpdf_page_func.cpp

 // 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
 
 #include "pageint.h"
 
 #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;
 typedef enum {
   PSOP_ADD,
   PSOP_SUB,
   PSOP_MUL,
   PSOP_DIV,
   PSOP_IDIV,
   PSOP_MOD,
@@ skipping 734 matching lines @@
   FX_DWORD nSubs = pArray->GetCount();
   if (nSubs == 0) {
     return FALSE;
   }
   m_nOutputs = 0;
   for (FX_DWORD i = 0; i < nSubs; i++) {
     CPDF_Object* pSub = pArray->GetElementValue(i);
     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;
     }
     // Check that the input dimensionality is 1, and that all output
     // dimensionalities are the same.
     if (pFunc->CountInputs() != kRequiredNumInputs) {
       return FALSE;
     }
     if (pFunc->CountOutputs() != m_nOutputs) {
       if (m_nOutputs)
@@ skipping 136 matching lines @@
     for (int i = 0; i < m_nOutputs; i++) {
       if (results[i] < m_pRanges[i * 2]) {
         results[i] = m_pRanges[i * 2];
       } else if (results[i] > m_pRanges[i * 2 + 1]) {
         results[i] = m_pRanges[i * 2 + 1];
       }
     }
   }
   return TRUE;
 }