Move base::FreeDeleter into its own header.

base/file_version_info_win.h

 // 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.
 
 #ifndef BASE_FILE_VERSION_INFO_WIN_H_
 #define BASE_FILE_VERSION_INFO_WIN_H_
 
 #include <string>
 
 #include "base/base_export.h"
 #include "base/file_version_info.h"
 #include "base/macros.h"
+#include "base/memory/free_deleter.h"
 #include "base/memory/scoped_ptr.h"
 
 struct tagVS_FIXEDFILEINFO;
 typedef tagVS_FIXEDFILEINFO VS_FIXEDFILEINFO;
 
 class BASE_EXPORT FileVersionInfoWin : public FileVersionInfo {
  public:
   FileVersionInfoWin(void* data, WORD language, WORD code_page);
   ~FileVersionInfoWin() override;
 
@@ skipping 30 matching lines @@
   scoped_ptr<char, base::FreeDeleter> data_;
   WORD language_;
   WORD code_page_;
   // This is a pointer into the data_ if it exists. Otherwise NULL.
   VS_FIXEDFILEINFO* fixed_file_info_;
 
   DISALLOW_COPY_AND_ASSIGN(FileVersionInfoWin);
 };
 
 #endif  // BASE_FILE_VERSION_INFO_WIN_H_