WIP: The Bookmark Position Megapatch

sync/syncable/scoped_parent_child_index_updater.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_SYNCABLE_PARENT_CHILD_INDEX_UPDATER_H_
+#define SYNC_SYNCABLE_PARENT_CHILD_INDEX_UPDATER_H_
+
+namespace syncer {
+namespace syncable {
+
+class ParentChildIndex;
+class ScopedKernelLock;
+struct EntryKernel;
+
+// Temporarily removes an item from the ParentChildIndex and re-adds it this
+// object goes out of scope.
+class ScopedParentChildIndexUpdater {
+ public:
+  ScopedParentChildIndexUpdater(ScopedKernelLock& proof_of_lock,
+                                EntryKernel* entry,
+                                ParentChildIndex* index);
+  ~ScopedParentChildIndexUpdater();
+
+ private:
+  EntryKernel* entry_;
+  ParentChildIndex* index_;
+};
+
+}  // namespace syncer
+}  // namespace syncable
+
+#endif  // SYNC_SYNCABLE_PARENT_CHILD_INDEX_UPDATER_H_