// Converts the Beacon to JSON format for uploading. Calculates the age
// relative to an upload time of |upload_time|.
- base::Value* ToValue(base::TimeTicks upload_time) const;
+ base::Value* ToValue(base::TimeTicks upload_time,
+ base::TimeTicks last_network_change_time) const;
// The URL that the beacon is reporting on, if included.
std::string url;