[Sync] Merge NBDTC and subclasses into ModelTypeController.

components/sync/driver/non_ui_model_type_controller.cc

Index: components/sync/driver/non_ui_model_type_controller.cc
diff --git a/components/sync/driver/non_ui_model_type_controller.cc b/components/sync/driver/non_ui_model_type_controller.cc
deleted file mode 100644
index 877f397b541dc75ddd9b57bd11916f7788ee3864..0000000000000000000000000000000000000000
--- a/components/sync/driver/non_ui_model_type_controller.cc
+++ /dev/null
@@ -1,17 +0,0 @@
-// Copyright 2016 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/driver/non_ui_model_type_controller.h"
-
-namespace syncer {
-
-NonUIModelTypeController::NonUIModelTypeController(
-    ModelType type,
-    const base::Closure& dump_stack,
-    SyncClient* sync_client)
-    : NonBlockingDataTypeController(type, dump_stack, sync_client) {}
-
-NonUIModelTypeController::~NonUIModelTypeController() {}
-
-}  // namespace syncer