Change QuicAckFrame's revived_packets to be a single QuicPacketNumber. QUIC now ignores all but the…

net/quic/quic_connection.cc

Index: net/quic/quic_connection.cc
diff --git a/net/quic/quic_connection.cc b/net/quic/quic_connection.cc
index d465bd45dce23ec3c4d481a3532f11b184fe70a8..e29130a04358b116959a026e1a04b73259a4988e 100644
--- a/net/quic/quic_connection.cc
+++ b/net/quic/quic_connection.cc
@@ -847,12 +847,12 @@ bool QuicConnection::ValidateAckFrame(const QuicAckFrame& incoming_ack) {
     return false;
   }
 
-  for (QuicPacketNumber revived_packet : incoming_ack.revived_packets) {
-    if (!incoming_ack.missing_packets.Contains(revived_packet)) {
-      DLOG(ERROR) << ENDPOINT
-                  << "Peer specified revived packet which was not missing.";
-      return false;
-    }
+  if (incoming_ack.latest_revived_packet != 0 &&
+      !incoming_ack.missing_packets.Contains(
+          incoming_ack.latest_revived_packet)) {
+    DLOG(ERROR) << ENDPOINT
+                << "Peer specified revived packet which was not missing.";
+    return false;
   }
   return true;
 }