Index: components/sync/protocol/user_event_specifics.proto |
diff --git a/components/sync/protocol/user_event_specifics.proto b/components/sync/protocol/user_event_specifics.proto |
index 4e69594f297aa4c7129ab2b3142c97a50cc1f04b..8d3efd1b3126faa2dbe3bedd446c7c48bd381693 100644 |
--- a/components/sync/protocol/user_event_specifics.proto |
+++ b/components/sync/protocol/user_event_specifics.proto |
@@ -20,5 +20,9 @@ message UserEventSpecifics { |
// The |global_id| field of the associated navigation, if there is one. |
optional int64 navigation_id = 2; |
+ // On startup we generate a new random id to identify which FieldTrialEvents |
+ // other events belonged to. |
+ optional fixed64 session_id = 3; |
+ |
// TODO(skym): Wrap actual event payloads in a oneof. |
} |