relnote: Refactor QuicAckFrame::missing_packets to support a change to a

net/quic/test_tools/quic_test_utils.cc

Index: net/quic/test_tools/quic_test_utils.cc
diff --git a/net/quic/test_tools/quic_test_utils.cc b/net/quic/test_tools/quic_test_utils.cc
index d6ea60cca6305bbf9ced13df1bacfb1c1ccb1b75..7412d30f207cef78c3c14016d43bd6da918b4201 100644
--- a/net/quic/test_tools/quic_test_utils.cc
+++ b/net/quic/test_tools/quic_test_utils.cc
@@ -58,7 +58,7 @@ QuicAckFrame MakeAckFrameWithNackRanges(size_t num_nack_ranges,
   QuicAckFrame ack = MakeAckFrame(2 * num_nack_ranges + least_unacked);
   // Add enough missing packets to get num_nack_ranges nack ranges.
   for (QuicPacketNumber i = 1; i < 2 * num_nack_ranges; i += 2) {
-    ack.missing_packets.insert(least_unacked + i);
+    ack.missing_packets.Add(least_unacked + i);
   }
   return ack;
 }