[Sync] Fix namespaces for the sync_bookmarks component.

components/sync_bookmarks/bookmark_data_type_controller.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 "components/sync_bookmarks/bookmark_data_type_controller.h"
 
 #include "base/metrics/histogram.h"
 #include "components/bookmarks/browser/bookmark_model.h"
 #include "components/history/core/browser/history_service.h"
 #include "components/sync/driver/sync_api_component_factory.h"
 #include "components/sync/driver/sync_client.h"
 
 using bookmarks::BookmarkModel;
 
-namespace browser_sync {
+namespace sync_bookmarks {
 
 BookmarkDataTypeController::BookmarkDataTypeController(
     const base::Closure& dump_stack,
     sync_driver::SyncClient* sync_client)
     : FrontendDataTypeController(syncer::BOOKMARKS, dump_stack, sync_client),
       history_service_observer_(this),
       bookmark_model_observer_(this) {}
 
 BookmarkDataTypeController::~BookmarkDataTypeController() {}
 
@@ skipping 73 matching lines @@
 
   bookmark_model_observer_.RemoveAll();
   OnModelLoaded();
 }
 
 void BookmarkDataTypeController::HistoryServiceBeingDeleted(
     history::HistoryService* history_service) {
   CleanUpState();
 }
 
-}  // namespace browser_sync
+}  // namespace sync_bookmarks