Move base::FreeDeleter into its own header.

sandbox/win/src/handle_closer.cc

 // Copyright (c) 2011 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 "sandbox/win/src/handle_closer.h"
 
 #include <stddef.h>
 
 #include "base/logging.h"
+#include "base/memory/free_deleter.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/win/windows_version.h"
 #include "sandbox/win/src/interceptors.h"
 #include "sandbox/win/src/internal_types.h"
 #include "sandbox/win/src/nt_internals.h"
 #include "sandbox/win/src/process_thread_interception.h"
 #include "sandbox/win/src/win_utils.h"
 
 namespace {
 
@@ skipping 167 matching lines @@
 
   if (NT_SUCCESS(result) && name->Buffer && name->Length)
     handle_name->assign(name->Buffer, name->Length / sizeof(wchar_t));
   else
     handle_name->clear();
 
   return NT_SUCCESS(result);
 }
 
 }  // namespace sandbox