Trivial: add missing fields to proto visitors

The list of proto fields was not updated in recent changes to the
proto.

Change-Id: I7017c2a83a08c610e8a3644e77f6a0779c28e238
Reviewed-on: https://chromium-review.googlesource.com/899085Reviewed-by: Pavel Yatsuk <pavely@chromium.org>
Commit-Queue: Mikel Astiz <mastiz@chromium.org>
Cr-Commit-Position: refs/heads/master@{#534139}

components/sync/protocol/proto_visitors.h

@@ -348,6 +348,7 @@ VISIT_PROTO_FIELDS(const sync_pb::DeviceInfoSpecifics& proto) {
   VISIT(sync_user_agent);
   VISIT(chrome_version);
   VISIT(signin_scoped_device_id);
+  VISIT(last_updated_timestamp);
 }
 
 VISIT_PROTO_FIELDS(const sync_pb::DictionarySpecifics& proto) {
@@ -701,6 +702,8 @@ VISIT_PROTO_FIELDS(const sync_pb::ReadingListSpecifics& proto) {
   VISIT(creation_time_us);
   VISIT(update_time_us);
   VISIT_ENUM(status);
+  VISIT(first_read_time_us);
+  VISIT(update_title_time_us);
 }
 
 VISIT_PROTO_FIELDS(const sync_pb::SearchEngineSpecifics& proto) {