[Sync] Adds a new switch for enabling the new local server backend.

components/browser_sync/profile_sync_service_unittest.cc

Index: components/browser_sync/profile_sync_service_unittest.cc
diff --git a/components/browser_sync/profile_sync_service_unittest.cc b/components/browser_sync/profile_sync_service_unittest.cc
index 5486dbb7b199870d50ab4ab72237ab44952a6b8d..09a19558d847af01049f40fe4e4bf555d01fa328 100644
--- a/components/browser_sync/profile_sync_service_unittest.cc
+++ b/components/browser_sync/profile_sync_service_unittest.cc
@@ -111,6 +111,8 @@ class SyncBackendHostNoReturn : public SyncBackendHostMock {
       const std::string& sync_user_agent,
       const syncer::SyncCredentials& credentials,
       bool delete_sync_data_folder,
+      bool enable_local_sync_backend,
+      const base::FilePath& local_sync_backend_folder,
       std::unique_ptr<syncer::SyncManagerFactory> sync_manager_factory,
       const syncer::WeakHandle<syncer::UnrecoverableErrorHandler>&
           unrecoverable_error_handler,
@@ -136,6 +138,8 @@ class SyncBackendHostMockCollectDeleteDirParam : public SyncBackendHostMock {
       const std::string& sync_user_agent,
       const syncer::SyncCredentials& credentials,
       bool delete_sync_data_folder,
+      bool enable_local_sync_backend,
+      const base::FilePath& local_sync_backend_folder,
       std::unique_ptr<syncer::SyncManagerFactory> sync_manager_factory,
       const syncer::WeakHandle<syncer::UnrecoverableErrorHandler>&
           unrecoverable_error_handler,
@@ -147,6 +151,7 @@ class SyncBackendHostMockCollectDeleteDirParam : public SyncBackendHostMock {
     SyncBackendHostMock::Initialize(
         frontend, std::move(sync_thread), db_thread, file_thread, event_handler,
         service_url, sync_user_agent, credentials, delete_sync_data_folder,
+        enable_local_sync_backend, local_sync_backend_folder,
         std::move(sync_manager_factory), unrecoverable_error_handler,
         report_unrecoverable_error_function, http_post_provider_factory_getter,
         std::move(saved_nigori_state));