[USS] Change the place where SharedModelTypeProcessor got created

components/sync_driver/non_ui_model_type_controller_unittest.cc

Index: components/sync_driver/non_ui_model_type_controller_unittest.cc
diff --git a/components/sync_driver/non_ui_model_type_controller_unittest.cc b/components/sync_driver/non_ui_model_type_controller_unittest.cc
index a309c36a04f34b4ad6f19ab6b1e1b3928be3c6d8..42137d55062fe4367cec46e6c213e1106ffcec7b 100644
--- a/components/sync_driver/non_ui_model_type_controller_unittest.cc
+++ b/components/sync_driver/non_ui_model_type_controller_unittest.cc
@@ -43,8 +43,7 @@ class TestNonUIModelTypeController : public NonUIModelTypeController {
                                  sync_client),
         model_task_runner_(model_task_runner) {}
 
-  base::WeakPtr<syncer_v2::SharedModelTypeProcessor> get_type_processor()
-      const {
+  syncer_v2::SharedModelTypeProcessor* get_type_processor() const {
     return type_processor();
   }
 
@@ -336,7 +335,7 @@ class NonUIModelTypeControllerTest : public testing::Test,
     association_callback_called_ = true;
   }
 
-  base::WeakPtr<syncer_v2::SharedModelTypeProcessor> type_processor_;
+  syncer_v2::SharedModelTypeProcessor* type_processor_;
   scoped_refptr<TestNonUIModelTypeController> controller_;
 
   bool auto_run_tasks_;