[Sync] Fix namespace for sync_driver component

components/sync_driver/proxy_data_type_controller.h

Index: components/sync_driver/proxy_data_type_controller.h
diff --git a/components/sync_driver/proxy_data_type_controller.h b/components/sync_driver/proxy_data_type_controller.h
index b5e3cf235d61613f8a1d4c374af4bfd2130826e9..e90ee2409c338cb9f07ba0deeaecc978e0073753 100644
--- a/components/sync_driver/proxy_data_type_controller.h
+++ b/components/sync_driver/proxy_data_type_controller.h
@@ -9,7 +9,7 @@
 #include "base/compiler_specific.h"
 #include "components/sync_driver/data_type_controller.h"
 
-namespace browser_sync {
+namespace sync_driver {
 
 // Implementation for proxy datatypes. These are datatype that have no
 // representation in sync, and therefore no change processor or syncable
@@ -52,6 +52,6 @@ class ProxyDataTypeController : public DataTypeController {
   DISALLOW_COPY_AND_ASSIGN(ProxyDataTypeController);
 };
 
-}  // namespace browser_sync
+}  // namespace sync_driver
 
 #endif  // COMPONENTS_SYNC_DRIVER_PROXY_DATA_TYPE_CONTROLLER_H__