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

core/include/fpdfapi/fpdf_module.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_MODULE_H_
 #define CORE_INCLUDE_FPDFAPI_FPDF_MODULE_H_
 
+#include <memory>
+
 #include "core/include/fxcrt/fx_coordinates.h"
 #include "core/include/fxcrt/fx_system.h"
-#include "third_party/base/nonstd_unique_ptr.h"
 
 class CCodec_ModuleMgr;
 class CFX_BitmapDevice;
 class CFX_DIBSource;
 class CFX_Matrix;
 class CPDF_ColorSpace;
 class CPDF_Dictionary;
 class CPDF_DocPageData;
 class CPDF_DocRenderData;
 class CPDF_Document;
@@ skipping 48 matching lines @@
                       void* pData,
                       PD_CALLBACK_FREEDATA callback);
 
   void* GetPrivateData(void* module_id);
 
  private:
   CPDF_ModuleMgr();
   ~CPDF_ModuleMgr();
 
   CCodec_ModuleMgr* m_pCodecModule;
-  nonstd::unique_ptr<IPDF_RenderModule> m_pRenderModule;
-  nonstd::unique_ptr<IPDF_PageModule> m_pPageModule;
+  std::unique_ptr<IPDF_RenderModule> m_pRenderModule;
+  std::unique_ptr<IPDF_PageModule> m_pPageModule;
   FX_BOOL (*m_pDownloadCallback)(const FX_CHAR* module_name);
   CFX_PrivateData m_privateData;
 };
 
 class IPDF_PageModule {
  public:
   virtual ~IPDF_PageModule() {}
 
   virtual CPDF_DocPageData* CreateDocData(CPDF_Document* pDoc) = 0;
   virtual void ReleaseDoc(CPDF_Document*) = 0;
@@ skipping 11 matching lines @@
   virtual CPDF_DocRenderData* CreateDocData(CPDF_Document* pDoc) = 0;
   virtual void DestroyDocData(CPDF_DocRenderData*) = 0;
   virtual void ClearDocData(CPDF_DocRenderData*) = 0;
   virtual CPDF_DocRenderData* GetRenderData() = 0;
   virtual CPDF_PageRenderCache* CreatePageCache(CPDF_Page* pPage) = 0;
   virtual void DestroyPageCache(CPDF_PageRenderCache*) = 0;
   virtual CPDF_RenderConfig* GetConfig() = 0;
 };
 
 #endif  // CORE_INCLUDE_FPDFAPI_FPDF_MODULE_H_