Add IssueAuthToken support to the TokenService.

chrome/common/notification_type.h

Index: chrome/common/notification_type.h
diff --git a/chrome/common/notification_type.h b/chrome/common/notification_type.h
index 9f75bb4c1207b2eb8e3acfe9e42ae5c19f5fca53..daa16f81af87ad4a20b5a3f348c45481f14f8190 100644
--- a/chrome/common/notification_type.h
+++ b/chrome/common/notification_type.h
@@ -1022,6 +1022,19 @@ class NotificationType {
     // are a ChromeCookieDetails object.
     COOKIE_CHANGED,
 
+    // Token Service -----------------------------------------------------------
+
+    // When the token service has a new token available for a service, one of
+    // these notifications is issued per new token.
+    // The source is a TokenService on the Profile. The details are a
+    // TokenAvailableDetails object.
+    TOKEN_AVAILABLE,
+
+    // If a token request failed, one of these is issued per failed request.
+    // The source is a TokenService on the Profile. The details are a
+    // TokenRequestFailedDetails object.
+    TOKEN_REQUEST_FAILED,
+
     // Misc --------------------------------------------------------------------
 
 #if defined(OS_CHROMEOS)