Remove more dead app list code.

chrome/browser/ui/app_list/app_list_syncable_service.h

 // Copyright 2013 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_UI_APP_LIST_APP_LIST_SYNCABLE_SERVICE_H_
 #define CHROME_BROWSER_UI_APP_LIST_APP_LIST_SYNCABLE_SERVICE_H_
 
 #include <stddef.h>
 
 #include <map>
 #include <memory>
 
 #include "base/macros.h"
 #include "base/memory/weak_ptr.h"
 #include "base/observer_list.h"
 #include "build/build_config.h"
 #include "chrome/browser/apps/drive/drive_app_uninstall_sync_service.h"
 #include "chrome/browser/sync/glue/sync_start_util.h"
 #include "components/keyed_service/core/keyed_service.h"
 #include "components/sync/model/string_ordinal.h"
 #include "components/sync/model/sync_change.h"
 #include "components/sync/model/sync_change_processor.h"
 #include "components/sync/model/sync_error_factory.h"
 #include "components/sync/model/syncable_service.h"
 #include "components/sync/protocol/app_list_specifics.pb.h"
 
-#if defined(OS_CHROMEOS)
 class ArcAppModelBuilder;
-#endif
-
 class DriveAppProvider;
 class ExtensionAppModelBuilder;
 class Profile;
 
 namespace extensions {
 class ExtensionSystem;
 }
 
 namespace sync_pb {
 class AppListSpecifics;
@@ skipping 212 matching lines @@
   void HandleUpdateFinished();
 
   // Returns true if extension service is ready.
   bool IsExtensionServiceReady() const;
 
   Profile* profile_;
   extensions::ExtensionSystem* extension_system_;
   std::unique_ptr<AppListModel> model_;
   std::unique_ptr<ModelObserver> model_observer_;
   std::unique_ptr<ExtensionAppModelBuilder> apps_builder_;
-#if defined(OS_CHROMEOS)
   std::unique_ptr<ArcAppModelBuilder> arc_apps_builder_;
-#endif
   std::unique_ptr<syncer::SyncChangeProcessor> sync_processor_;
   std::unique_ptr<syncer::SyncErrorFactory> sync_error_handler_;
   SyncItemMap sync_items_;
   syncer::SyncableService::StartSyncFlare flare_;
   bool initial_sync_data_processed_;
   bool first_app_list_sync_;
   std::string oem_folder_name_;
 
   // List of observers.
   base::ObserverList<Observer> observer_list_;
 
   // Provides integration with Drive apps.
   std::unique_ptr<DriveAppProvider> drive_app_provider_;
 
   base::WeakPtrFactory<AppListSyncableService> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(AppListSyncableService);
 };
 
 }  // namespace app_list
 
 #endif  // CHROME_BROWSER_UI_APP_LIST_APP_LIST_SYNCABLE_SERVICE_H_