Bug 1521879 - Part 8: Don't run triggered check logic on obsolete streams. r=mjf

Differential Revision: https://phabricator.services.mozilla.com/D18231

--HG--
extra : moz-landing-system : lando

media/mtransport/third_party/nICEr/src/ice/ice_candidate_pair.c

@@ -447,6 +447,12 @@ int nr_ice_candidate_pair_do_triggered_check(nr_ice_peer_ctx *pctx, nr_ice_cand_
     } else if(pair->state==NR_ICE_PAIR_STATE_SUCCEEDED) {
       r_log(LOG_ICE,LOG_DEBUG,"ICE-PEER(%s)/CAND_PAIR(%s): No new trigger check for succeeded pair",pctx->label,pair->codeword);
       return(0);
+    } else if (pair->local->stream->obsolete) {
+      r_log(LOG_ICE, LOG_DEBUG,
+            "ICE-PEER(%s)/CAND_PAIR(%s): No new trigger check for pair with "
+            "obsolete stream",
+            pctx->label, pair->codeword);
+      return (0);
     }
 
     /* Do not run this logic more than once on a given pair */