[Sync] Fix namespace for sync_driver component

components/sync_driver/model_association_manager.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_MODEL_ASSOCIATION_MANAGER_H__
 #define COMPONENTS_SYNC_DRIVER_MODEL_ASSOCIATION_MANAGER_H__
 
 #include <map>
 
 #include "base/memory/weak_ptr.h"
 #include "base/timer/timer.h"
 
 #include "components/sync_driver/data_type_manager.h"
 #include "sync/internal_api/public/data_type_association_stats.h"
 #include "sync/internal_api/public/util/weak_handle.h"
 
+namespace sync_driver {
+
+class DataTypeController;
+
 // |ModelAssociationManager| does the heavy lifting for doing the actual model
 // association. It instructs DataTypeControllers to load models, start
 // associating and stopping. Since the operations are async it uses an
 // interface to inform DataTypeManager the results of the operations.
 // This class is owned by DataTypeManager.
-namespace browser_sync {
-
-class DataTypeController;
-
 // |ModelAssociationManager| association functions are async. The results of
 // those operations are passed back via this interface.
 class ModelAssociationManagerDelegate {
  public:
   // Called when model association (MergeDataAndStartSyncing) has completed
   // for |type|, regardless of success or failure.
   virtual void OnSingleDataTypeAssociationDone(
       syncer::ModelType type,
       const syncer::DataTypeAssociationStats& association_stats) = 0;
 
@@ skipping 124 matching lines @@
 
   // Timer to track and limit how long a datatype takes to model associate.
   base::OneShotTimer<ModelAssociationManager> timer_;
 
   base::WeakPtrFactory<ModelAssociationManager> weak_ptr_factory_;
 
   DataTypeManager::ConfigureStatus configure_status_;
 
   DISALLOW_COPY_AND_ASSIGN(ModelAssociationManager);
 };
-}  // namespace browser_sync
+
+}  // namespace sync_driver
+
 #endif  // COMPONENTS_SYNC_DRIVER_MODEL_ASSOCIATION_MANAGER_H__