This is the second CL of several that will eventually replace TokenService with

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 c6ae2148e63ec2861b2b166eaf86c689d9a64238..68455b2f58f43ec1bb2cf130180997eeb302c644 100644
--- a/chrome/browser/chrome_notification_types.h
+++ b/chrome/browser/chrome_notification_types.h
@@ -737,6 +737,8 @@ enum NotificationType {
   // details.
   NOTIFICATION_TOKENS_CLEARED,
 
+  // Signin Manager ----------------------------------------------------------
+
   // Sent when a user signs into Google services such as sync.
   // The source is the Profile. The details are a
   // GoogleServiceSigninSuccessDetails object.