Cleanup networkroute.h

This change removes the constructors in favor of naming the fields
of the struct.

TBR=kwiberg@webrtc.org

Bug: None
Change-Id: I23ae1165c20994d2efef10184570065957b279af
Reviewed-on: https://webrtc-review.googlesource.com/90081
Commit-Queue: Steve Anton <steveanton@webrtc.org>
Reviewed-by: Qingsi Wang <qingsi@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#24071}
diff --git a/rtc_base/networkroute.h b/rtc_base/networkroute.h
index 5800ef8..31c0831 100644
--- a/rtc_base/networkroute.h
+++ b/rtc_base/networkroute.h
@@ -20,30 +20,13 @@
 namespace rtc {
 
 struct NetworkRoute {
-  bool connected;
-  uint16_t local_network_id;
-  uint16_t remote_network_id;
-  int last_sent_packet_id;  // Last packet id sent on the PREVIOUS route.
-  int packet_overhead;      // The overhead in bytes from IP layer and above.
-
-  NetworkRoute()
-      : connected(false),
-        local_network_id(0),
-        remote_network_id(0),
-        last_sent_packet_id(-1),
-        packet_overhead(0) {}
-
-  // The route is connected if the local and remote network ids are provided.
-  // TODO(zhihuang): Remove this and let the caller set the fields explicitly.
-  NetworkRoute(bool connected,
-               uint16_t local_net_id,
-               uint16_t remote_net_id,
-               int last_packet_id)
-      : connected(connected),
-        local_network_id(local_net_id),
-        remote_network_id(remote_net_id),
-        last_sent_packet_id(last_packet_id),
-        packet_overhead(0) {}
+  bool connected = false;
+  uint16_t local_network_id = 0;
+  uint16_t remote_network_id = 0;
+  // Last packet id sent on the PREVIOUS route.
+  int last_sent_packet_id = -1;
+  // The overhead in bytes from IP layer and above.
+  int packet_overhead = 0;
 
   // |last_sent_packet_id| and |packet_overhead| do not affect the NetworkRoute
   // comparison.