Refactoring: get rid of notificataions in ParallelAuthenticator

chrome/browser/chrome_notification_types.h

Index: chrome/browser/chrome_notification_types.h
diff --git a/chrome/browser/chrome_notification_types.h b/chrome/browser/chrome_notification_types.h
index eddec14051a48e281a4b31b03c3b30772d823fc5..ac4a961155750f29e4fcbe4c262e22be91dd8e5e 100644
--- a/chrome/browser/chrome_notification_types.h
+++ b/chrome/browser/chrome_notification_types.h
@@ -700,10 +700,6 @@ enum NotificationType {
   // default profile image or no profile image at all. No details are expected.
   NOTIFICATION_PROFILE_IMAGE_UPDATE_FAILED,
 
-  // Sent when a chromium os user attempts to log in.  The source is
-  // all and the details are AuthenticationNotificationDetails.
-  NOTIFICATION_LOGIN_AUTHENTICATION,
-
   // Sent when a network error message is displayed on the WebUI login screen.
   // First paint event of this fires NOTIFICATION_LOGIN_OR_LOCK_WEBUI_VISIBLE.
   NOTIFICATION_LOGIN_NETWORK_ERROR_SHOWN,