Move base::FreeDeleter into its own header.

chrome/browser/extensions/api/braille_display_private/brlapi_connection.cc

 // Copyright 2013 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 "chrome/browser/extensions/api/braille_display_private/brlapi_connection.h"
 
 #include <errno.h>
 
 #include "base/macros.h"
+#include "base/memory/free_deleter.h"
 #include "base/message_loop/message_loop.h"
 #include "base/sys_info.h"
 #include "build/build_config.h"
 
 namespace extensions {
 using base::MessageLoopForIO;
 namespace api {
 namespace braille_display_private {
 
 namespace {
@@ skipping 189 matching lines @@
   if (error->brlerrno == BRLAPI_ERROR_LIBCERR
       && error->libcerrno == ENOENT) {
     return CONNECT_ERROR_NO_RETRY;
   }
   return CONNECT_ERROR_RETRY;
 }
 
 }  // namespace braille_display_private
 }  // namespace api
 }  // namespace extensions