repeated string content_pack_categories = 19;
// The status code from the last navigation.
optional int32 http_status_code = 20;
- // Referrer policy.
- optional int32 referrer_policy = 21;
+ // Referrer policy. Valid enums are defined in
+ // third_party/WebKit/public/platform/WebReferrerPolicy.h.
+ optional int32 referrer_policy = 21 [default = 1];
+ // True if created from restored navigation entry that hasn't been loaded.
+ optional bool is_restored = 22;
}