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

sync/util/get_session_name.h

-// Copyright 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_H_
-#define SYNC_UTIL_GET_SESSION_NAME_H_
-
-#include <string>
-
-#include "base/callback_forward.h"
-#include "base/memory/ref_counted.h"
-#include "sync/base/sync_export.h"
-
-namespace base {
-class TaskRunner;
-}  // namespace base
-
-namespace syncer {
-
-// Invokes |done_callback| with the session name, a UTF-8 string.
-SYNC_EXPORT void GetSessionName(
-    const scoped_refptr<base::TaskRunner>& task_runner,
-    const base::Callback<void(const std::string&)>& done_callback);
-
-SYNC_EXPORT std::string GetSessionNameSynchronouslyForTesting();
-
-}  // namespace syncer
-
-#endif  // SYNC_UTIL_GET_SESSION_NAME_H_