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

sync/syncable/scoped_parent_child_index_updater.cc

-// 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.
-
-#include "sync/syncable/scoped_parent_child_index_updater.h"
-
-#include "sync/syncable/parent_child_index.h"
-
-namespace syncer {
-namespace syncable {
-
-ScopedParentChildIndexUpdater::ScopedParentChildIndexUpdater(
-    const ScopedKernelLock& proof_of_lock,
-    EntryKernel* entry,
-    ParentChildIndex* index)
-    : entry_(entry), index_(index) {
-  if (ParentChildIndex::ShouldInclude(entry_)) {
-    index_->Remove(entry_);
-  }
-}
-
-ScopedParentChildIndexUpdater::~ScopedParentChildIndexUpdater() {
-  if (ParentChildIndex::ShouldInclude(entry_)) {
-    index_->Insert(entry_);
-  }
-}
-
-}  // namespace syncable
-}  // namespace syncer