[Invalidations] Add GetInvalidatorState() to Invalidator{,Frontend}

sync/notifier/notifications_disabled_reason.cc

-// 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 syncer {
-
-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;
-  }
-}
-
-notifier::NotificationsDisabledReason ToNotifierReasonForTest(
-    NotificationsDisabledReason reason) {
-  switch (reason) {
-    case NO_NOTIFICATION_ERROR:
-      return notifier::NO_NOTIFICATION_ERROR;
-    case TRANSIENT_NOTIFICATION_ERROR:
-      return notifier::TRANSIENT_NOTIFICATION_ERROR;
-    case NOTIFICATION_CREDENTIALS_REJECTED:
-      return notifier::NOTIFICATION_CREDENTIALS_REJECTED;
-    default:
-      NOTREACHED();
-      return notifier::TRANSIENT_NOTIFICATION_ERROR;
-  }
-}
-
-}  // namespace syncer