[Sync] Move //sync to //components/sync.

sync/util/get_session_name_mac.h

-// 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.
-
-#ifndef SYNC_UTIL_GET_SESSION_NAME_MAC_H_
-#define SYNC_UTIL_GET_SESSION_NAME_MAC_H_
-
-#include <string>
-
-namespace syncer {
-namespace internal {
-
-// Returns the Hardware model name, without trailing numbers, if
-// possible.  See http://www.cocoadev.com/index.pl?MacintoshModels for
-// an example list of models. If an error occurs trying to read the
-// model, this simply returns "Unknown".
-std::string GetHardwareModelName();
-
-}  // namespace internal
-}  // namespace syncer
-
-#endif  // SYNC_UTIL_GET_SESSION_NAME_MAC_H_