[Sync] Remove SyncableServiceAdapter.

chrome/browser/sync/glue/preference_data_type_controller.h

Index: chrome/browser/sync/glue/preference_data_type_controller.h
diff --git a/chrome/browser/sync/glue/preference_data_type_controller.h b/chrome/browser/sync/glue/preference_data_type_controller.h
deleted file mode 100644
index 9f37a4a4b22e0cf98b9bca1570b6cf52c2d8f848..0000000000000000000000000000000000000000
--- a/chrome/browser/sync/glue/preference_data_type_controller.h
+++ /dev/null
@@ -1,42 +0,0 @@
-// Copyright (c) 2012 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 CHROME_BROWSER_SYNC_GLUE_PREFERENCE_DATA_TYPE_CONTROLLER_H__
-#define CHROME_BROWSER_SYNC_GLUE_PREFERENCE_DATA_TYPE_CONTROLLER_H__
-#pragma once
-
-#include <string>
-
-#include "base/compiler_specific.h"
-#include "chrome/browser/sync/glue/generic_change_processor.h"
-#include "chrome/browser/sync/glue/frontend_data_type_controller.h"
-
-namespace browser_sync {
-
-class PreferenceDataTypeController : public FrontendDataTypeController {
- public:
-  PreferenceDataTypeController(
-      ProfileSyncComponentsFactory* profile_sync_factory,
-      Profile* profile,
-      ProfileSyncService* sync_service);
-  virtual ~PreferenceDataTypeController();
-
-  // FrontendDataTypeController implementation.
-  virtual syncable::ModelType type() const OVERRIDE;
-
- protected:
-  virtual GenericChangeProcessor* change_processor() const OVERRIDE;
-
- private:
-  // FrontendDataTypeController implementations.
-  virtual void CreateSyncComponents() OVERRIDE;
-
-  scoped_ptr<GenericChangeProcessor> generic_change_processor_;
-
-  DISALLOW_COPY_AND_ASSIGN(PreferenceDataTypeController);
-};
-
-}  // namespace browser_sync
-
-#endif  // CHROME_BROWSER_SYNC_GLUE_PREFERENCE_DATA_TYPE_CONTROLLER_H__