Replace scoped_ptr with unique_ptr everywhere

webrtc/system_wrappers/include/utf_util_win.h

 /*
  *  Copyright (c) 2014 The WebRTC project authors. All Rights Reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
 // Conversion functions for UTF-8 and UTF-16 strings on Windows.
 // Duplicated from talk/base/win32.h.
 #ifndef WEBRTC_SYSTEM_WRAPPERS_INCLUDE_UTF_UTIL_H_
 #define WEBRTC_SYSTEM_WRAPPERS_INCLUDE_UTF_UTIL_H_
 
 #ifdef WIN32
 #include <windows.h>
+
+#include <memory>
 #include <string>
 
 #include "webrtc/base/scoped_ptr.h"
 
 namespace webrtc {
 
 inline std::wstring ToUtf16(const char* utf8, size_t len) {
   int len16 = ::MultiByteToWideChar(CP_UTF8, 0, utf8, static_cast<int>(len),
                                     NULL, 0);
-  rtc::scoped_ptr<wchar_t[]> ws(new wchar_t[len16]);
+  std::unique_ptr<wchar_t[]> ws(new wchar_t[len16]);
   ::MultiByteToWideChar(CP_UTF8, 0, utf8, static_cast<int>(len), ws.get(),
                         len16);
   return std::wstring(ws.get(), len16);
 }
 
 inline std::wstring ToUtf16(const std::string& str) {
   return ToUtf16(str.data(), str.length());
 }
 
 inline std::string ToUtf8(const wchar_t* wide, size_t len) {
   int len8 = ::WideCharToMultiByte(CP_UTF8, 0, wide, static_cast<int>(len),
                                    NULL, 0, NULL, NULL);
-  rtc::scoped_ptr<char[]> ns(new char[len8]);
+  std::unique_ptr<char[]> ns(new char[len8]);
   ::WideCharToMultiByte(CP_UTF8, 0, wide, static_cast<int>(len), ns.get(), len8,
                         NULL, NULL);
   return std::string(ns.get(), len8);
 }
 
 inline std::string ToUtf8(const wchar_t* wide) {
   return ToUtf8(wide, wcslen(wide));
 }
 
 inline std::string ToUtf8(const std::wstring& wstr) {
   return ToUtf8(wstr.data(), wstr.length());
 }
 
 }  // namespace webrtc
 
 #endif  // WIN32
 #endif  // WEBRTC_SYSTEM_WRAPPERS_INCLUDE_UTF_UTIL_H_