[evolution-ews] Use e_backend_authenticate_sync() in backends.

[Matthew Barnes <mbarnes src gnome org>]

commit 4f582502e76f3e506f00ae18d03e9847c39ded57
Author: Matthew Barnes <mbarnes redhat com>
Date:   Tue Jul 31 19:09:01 2012 -0400

    Use e_backend_authenticate_sync() in backends.

 src/addressbook/e-book-backend-ews.c |    8 ++++----
 src/calendar/e-cal-backend-ews.c     |    4 ++--
 src/collection/e-ews-backend.c       |   20 ++++----------------
 3 files changed, 10 insertions(+), 22 deletions(-)
---
diff --git a/src/addressbook/e-book-backend-ews.c b/src/addressbook/e-book-backend-ews.c
index 77272e9..5095537 100644
--- a/src/addressbook/e-book-backend-ews.c
+++ b/src/addressbook/e-book-backend-ews.c
@@ -2505,8 +2505,8 @@ e_book_backend_ews_start_book_view (EBookBackend *backend,
 	if (priv->cnc == NULL) {
 		/* XXX Why doesn't start_book_view()
 		 *     get passed a GCancellable? */
-		e_source_registry_authenticate_sync (
-			registry, source,
+		e_backend_authenticate_sync (
+			E_BACKEND (backend),
 			E_SOURCE_AUTHENTICATOR (backend),
 			NULL, &error);
 		if (error != NULL) {
@@ -2826,8 +2826,8 @@ e_book_backend_ews_open (EBookBackend *backend,
 		PRIV_UNLOCK (cbews->priv);
 
 		if (need_to_authenticate)
-			e_source_registry_authenticate_sync (
-				registry, source,
+			e_backend_authenticate_sync (
+				E_BACKEND (backend),
 				E_SOURCE_AUTHENTICATOR (backend),
 				cancellable, &error);
 	}
diff --git a/src/calendar/e-cal-backend-ews.c b/src/calendar/e-cal-backend-ews.c
index bc2fdea..1e8995e 100644
--- a/src/calendar/e-cal-backend-ews.c
+++ b/src/calendar/e-cal-backend-ews.c
@@ -656,8 +656,8 @@ e_cal_backend_ews_open (ECalBackend *backend,
 	PRIV_UNLOCK (priv);
 
 	if (need_to_authenticate)
-		e_source_registry_authenticate_sync (
-			registry, source,
+		e_backend_authenticate_sync (
+			E_BACKEND (backend),
 			E_SOURCE_AUTHENTICATOR (backend),
 			cancellable, &error);
 
diff --git a/src/collection/e-ews-backend.c b/src/collection/e-ews-backend.c
index 62c8257..f1b1c7c 100644
--- a/src/collection/e-ews-backend.c
+++ b/src/collection/e-ews-backend.c
@@ -103,24 +103,12 @@ ews_backend_get_settings (EEwsBackend *backend)
 static void
 ews_backend_queue_auth_session (ECollectionBackend *backend)
 {
-	ESourceRegistryServer *server;
-	EAuthenticationSession *session;
-	ESource *source;
-
-	server = e_collection_backend_ref_server (backend);
-	source = e_backend_get_source (E_BACKEND (backend));
-
-	session = e_authentication_session_new (
-		server, E_SOURCE_AUTHENTICATOR (backend),
-		e_source_get_uid (source));
-
 	/* For now at least, we don't need to know the
 	 * results, so no callback function is needed. */
-	e_source_registry_server_authenticate (
-		server, session, NULL, NULL, NULL);
-
-	g_object_unref (session);
-	g_object_unref (server);
+	e_backend_authenticate (
+		E_BACKEND (backend),
+		E_SOURCE_AUTHENTICATOR (backend),
+		NULL, NULL, NULL);
 }
 
 static ESource *