convert //rlz to std::unique_ptr

rlz/win/lib/machine_id_win.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include <windows.h>
 #include <Sddl.h>  // For ConvertSidToStringSidW.
+
+#include <memory>
 #include <string>
 
 #include "base/macros.h"
-#include "base/memory/scoped_ptr.h"
 #include "base/strings/string16.h"
 #include "rlz/lib/assert.h"
 
 namespace rlz_lib {
 
 namespace {
 
 bool GetSystemVolumeSerialNumber(int* number) {
   if (!number)
     return false;
@@ skipping 14 matching lines @@
                              NULL, 0))
     return false;
 
   *number = number_local;
   return true;
 }
 
 bool GetComputerSid(const wchar_t* account_name, SID* sid, DWORD sid_size) {
   static const DWORD kStartDomainLength = 128;  // reasonable to start with
 
-  scoped_ptr<wchar_t[]> domain_buffer(new wchar_t[kStartDomainLength]);
+  std::unique_ptr<wchar_t[]> domain_buffer(new wchar_t[kStartDomainLength]);
   DWORD domain_size = kStartDomainLength;
   DWORD sid_dword_size = sid_size;
   SID_NAME_USE sid_name_use;
 
   BOOL success = ::LookupAccountNameW(NULL, account_name, sid,
                                       &sid_dword_size, domain_buffer.get(),
                                       &domain_size, &sid_name_use);
   if (!success && ::GetLastError() == ERROR_INSUFFICIENT_BUFFER) {
     // We could have gotten the insufficient buffer error because
     // one or both of sid and szDomain was too small. Check for that
@@ skipping 42 matching lines @@
   *volume_id = 0;
   if (!GetSystemVolumeSerialNumber(volume_id)) {
     ASSERT_STRING("GetMachineId: Failed to retrieve volume serial number");
     *volume_id = 0;
   }
 
   return true;
 }
 
 }  // namespace rlz_lib