[USS] Change the place where SharedModelTypeProcessor got created

components/sync_driver/device_info_model_type_controller.cc

Index: components/sync_driver/device_info_model_type_controller.cc
diff --git a/components/sync_driver/device_info_model_type_controller.cc b/components/sync_driver/device_info_model_type_controller.cc
index 0e6a6c2f23d7b2e1cfe44ea83a8dd6f63fe958ba..cdd0863d7aa07b485ee871d4472056b56d3f6689 100644
--- a/components/sync_driver/device_info_model_type_controller.cc
+++ b/components/sync_driver/device_info_model_type_controller.cc
@@ -23,8 +23,6 @@ DeviceInfoModelTypeController::DeviceInfoModelTypeController(
                             syncer::DEVICE_INFO,
                             sync_client),
       local_device_info_provider_(local_device_info_provider) {
-  // TODO(gangwu): find a better place to initial processor.
-  InitializeProcessor();
 }
 
 DeviceInfoModelTypeController::~DeviceInfoModelTypeController() {}