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

sync/syncable/syncable_base_write_transaction.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 "sync/syncable/syncable_base_write_transaction.h"
-
-namespace syncer {
-namespace syncable {
-
-BaseWriteTransaction::BaseWriteTransaction(
-    const tracked_objects::Location location,
-    const char* name,
-    WriterTag writer,
-    Directory* directory)
-    : BaseTransaction(location, name, writer, directory) {
-}
-
-BaseWriteTransaction::~BaseWriteTransaction() {}
-
-}  // namespace syncable
-}  // namespace syncer
-