[Sync] SyncEngine refactor part 2: SyncServiceBase.

components/sync/engine/fake_sync_engine.h

Index: components/sync/engine/fake_sync_engine.h
diff --git a/components/sync/engine/fake_sync_engine.h b/components/sync/engine/fake_sync_engine.h
index 68e93474701fdfb7e8decf4430a740786b6a7a9f..ac8ff25a54accee1ffc01bd07a09d20d4af6cdc6 100644
--- a/components/sync/engine/fake_sync_engine.h
+++ b/components/sync/engine/fake_sync_engine.h
@@ -26,22 +26,7 @@ class FakeSyncEngine : public SyncEngine {
   FakeSyncEngine();
   ~FakeSyncEngine() override;
 
-  void Initialize(
-      SyncEngineHost* host,
-      scoped_refptr<base::SingleThreadTaskRunner> sync_task_runner,
-      const WeakHandle<JsEventHandler>& event_handler,
-      const GURL& service_url,
-      const std::string& sync_user_agent,
-      const SyncCredentials& credentials,
-      bool delete_sync_data_folder,
-      bool enable_local_sync_backend,
-      const base::FilePath& local_sync_backend_folder,
-      std::unique_ptr<SyncManagerFactory> sync_manager_factory,
-      const WeakHandle<UnrecoverableErrorHandler>& unrecoverable_error_handler,
-      const base::Closure& report_unrecoverable_error_function,
-      const HttpPostProviderFactoryGetter& http_post_provider_factory_getter,
-      std::unique_ptr<SyncEncryptionHandler::NigoriState> saved_nigori_state)
-      override;
+  void Initialize(InitParams params) override;
 
   void TriggerRefresh(const ModelTypeSet& types) override;