[Sync] Fix namespace for sync_driver component

components/sync_driver/user_selectable_sync_type.h

 // Copyright 2014 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 COMPONENTS_SYNC_DRIVER_USER_SELECTABLE_SYNC_TYPE_H_
 #define COMPONENTS_SYNC_DRIVER_USER_SELECTABLE_SYNC_TYPE_H_
 
-namespace browser_sync {
+namespace sync_driver {
 namespace user_selectable_type {
 
 // An enumeration of the sync datatypes that are explicitly exposed to the user
 // via checkboxes in the "Advanced Sync Preferences" dialog. Used solely for the
 // purposes of UMA histogram logging of the datatypes explicitly selected by
 // users when sync is configured on a machine. This is a subset of the sync
 // types listed in sync/internal_api/public/base/model_type.h.
 //
 // Note: New sync datatypes must be added to the end of this list. Adding them
 // anywhere else will result in incorrect histogram logging.
@@ skipping 35 matching lines @@
   // FAVICON_IMAGES,
   // FAVICON_TRACKING,
   // ARTICLE,
   // SYNCED_NOTIFICATION_APP_INFO
 
   // Number of sync datatypes exposed to the user via checboxes in the UI.
   SELECTABLE_DATATYPE_COUNT = 10,
 };
 
 }  // namespace user_selectable_type
-}  // namespace browser_sync
+}  // namespace sync_driver
 
 #endif  // COMPONENTS_SYNC_DRIVER_USER_SELECTABLE_SYNC_TYPE_H_