test/trace_processor/chrome/chrome_performance_mark_hashes.textproto

packet {
  trusted_packet_sequence_id: 1
  timestamp: 0
  incremental_state_cleared: true
  track_event {
    categories: "cat1"
    type: 3
    name: "name1"
    [perfetto.protos.ChromeTrackEvent.chrome_hashed_performance_mark] {
      site_hash: 10
      mark_hash: 100
    }
  }
}
packet {
  trusted_packet_sequence_id: 1
  timestamp: 0
  incremental_state_cleared: true
  track_event {
    categories: "cat2"
    type: 3
    name: "name2"
    [perfetto.protos.ChromeTrackEvent.chrome_hashed_performance_mark] {
      site_hash: 20
      mark_hash: 200
    }
  }
}