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

fpdfsdk/src/javascript/JS_Object.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 FPDFSDK_SRC_JAVASCRIPT_JS_OBJECT_H_
 #define FPDFSDK_SRC_JAVASCRIPT_JS_OBJECT_H_
 
 #include <map>
+#include <memory>
 
 #include "JS_Runtime.h"
 #include "fpdfsdk/include/fsdk_define.h"  // For FX_UINT
 #include "fpdfsdk/include/jsapi/fxjs_v8.h"
-#include "third_party/base/nonstd_unique_ptr.h"
 
 class CJS_Context;
 class CJS_Object;
 class CJS_Timer;
 class CPDFDoc_Environment;
 class CJS_EmbedObj {
  public:
   explicit CJS_EmbedObj(CJS_Object* pJSObject);
   virtual ~CJS_EmbedObj();
 
@@ skipping 35 matching lines @@
   static int MsgBox(CPDFDoc_Environment* pApp,
                     const FX_WCHAR* swMsg,
                     const FX_WCHAR* swTitle,
                     FX_UINT nType,
                     FX_UINT nIcon);
   static void Alert(CJS_Context* pContext, const FX_WCHAR* swMsg);
 
   v8::Isolate* GetIsolate() { return m_pIsolate; }
 
  protected:
-  nonstd::unique_ptr<CJS_EmbedObj> m_pEmbedObj;
+  std::unique_ptr<CJS_EmbedObj> m_pEmbedObj;
   v8::Global<v8::Object> m_pV8Object;
   v8::Isolate* m_pIsolate;
 };
 
 class CJS_Timer : public CJS_Runtime::Observer {
  public:
   CJS_Timer(CJS_EmbedObj* pObj,
             CPDFDoc_Environment* pApp,
             CJS_Runtime* pRuntime,
             int nType,
@@ skipping 25 matching lines @@
 
   // data
   const int m_nType;  // 0:Interval; 1:TimeOut
   const FX_DWORD m_dwTimeOut;
   const CFX_WideString m_swJScript;
   CJS_Runtime* const m_pRuntime;
   CPDFDoc_Environment* const m_pApp;
 };
 
 #endif  // FPDFSDK_SRC_JAVASCRIPT_JS_OBJECT_H_