[Sync] Merge NBDTC and subclasses into ModelTypeController.

components/sync/driver/ui_model_type_controller.h

Index: components/sync/driver/ui_model_type_controller.h
diff --git a/components/sync/driver/ui_model_type_controller.h b/components/sync/driver/ui_model_type_controller.h
deleted file mode 100644
index 78798312d94b4e8b726c2643c319ac8d171754bb..0000000000000000000000000000000000000000
--- a/components/sync/driver/ui_model_type_controller.h
+++ /dev/null
@@ -1,35 +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.
-
-#ifndef COMPONENTS_SYNC_DRIVER_UI_MODEL_TYPE_CONTROLLER_H_
-#define COMPONENTS_SYNC_DRIVER_UI_MODEL_TYPE_CONTROLLER_H_
-
-#include "components/sync/driver/non_blocking_data_type_controller.h"
-
-namespace syncer {
-
-class SyncClient;
-
-// Implementation for Unified Sync and Storage datatypes that reside on the UI
-// thread.
-class UIModelTypeController : public NonBlockingDataTypeController {
- public:
-  // |dump_stack| is called when an unrecoverable error occurs.
-  UIModelTypeController(ModelType type,
-                        const base::Closure& dump_stack,
-                        SyncClient* sync_client);
-  ~UIModelTypeController() override;
-
- private:
-  // NonBlockingDataTypeController implementations.
-  // Since this is UI model type controller, we hide this function here.
-  bool RunOnModelThread(const tracked_objects::Location& from_here,
-                        const base::Closure& task) override;
-
-  DISALLOW_COPY_AND_ASSIGN(UIModelTypeController);
-};
-
-}  // namespace syncer
-
-#endif  // COMPONENTS_SYNC_DRIVER_UI_MODEL_TYPE_CONTROLLER_H_