[Sync] Propagate XMPP auth errors to SyncNotifierObservers

sync/notifier/notifications_disabled_reason.cc

Index: sync/notifier/notifications_disabled_reason.cc
diff --git a/sync/notifier/notifications_disabled_reason.cc b/sync/notifier/notifications_disabled_reason.cc
new file mode 100644
index 0000000000000000000000000000000000000000..95031402f9ebe1aef1887a1325b69de99c154041
--- /dev/null
+++ b/sync/notifier/notifications_disabled_reason.cc
@@ -0,0 +1,41 @@
+// 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.
+
+#include "sync/notifier/notifications_disabled_reason.h"
+
+#include "base/logging.h"
+
+namespace sync_notifier {
+
+const char* NotificationsDisabledReasonToString(
+    NotificationsDisabledReason reason) {
+  switch (reason) {
+    case NO_NOTIFICATION_ERROR:
+      return "NO_NOTIFICATION_ERROR";
+    case TRANSIENT_NOTIFICATION_ERROR:
+      return "TRANSIENT_NOTIFICATION_ERROR";
+    case NOTIFICATION_CREDENTIALS_REJECTED:
+      return "NOTIFICATION_CREDENTIALS_REJECTED";
+    default:
+      NOTREACHED();
+      return "UNKNOWN";
+  }
+}
+
+NotificationsDisabledReason FromNotifierReason(
+    notifier::NotificationsDisabledReason reason) {
+  switch (reason) {
+    case notifier::NO_NOTIFICATION_ERROR:
+      return NO_NOTIFICATION_ERROR;
+    case notifier::TRANSIENT_NOTIFICATION_ERROR:
+      return TRANSIENT_NOTIFICATION_ERROR;
+    case notifier::NOTIFICATION_CREDENTIALS_REJECTED:
+      return NOTIFICATION_CREDENTIALS_REJECTED;
+    default:
+      NOTREACHED();
+      return TRANSIENT_NOTIFICATION_ERROR;
+  }
+}
+
+}  // sync_notifier