Deprecate FLAGS_quic_always_write_queued_retransmissions.

net/quic/test_tools/quic_connection_peer.cc

Index: net/quic/test_tools/quic_connection_peer.cc
diff --git a/net/quic/test_tools/quic_connection_peer.cc b/net/quic/test_tools/quic_connection_peer.cc
index 61e948dde35142fd33695a54277c3a6990dce8d2..b7bbf3c875cbbe28fb06a26d72f15e5178b0dce0 100644
--- a/net/quic/test_tools/quic_connection_peer.cc
+++ b/net/quic/test_tools/quic_connection_peer.cc
@@ -294,5 +294,14 @@ void QuicConnectionPeer::SetAckDecimationDelay(QuicConnection* connection,
   connection->ack_decimation_delay_ = ack_decimation_delay;
 }
 
+// static
+bool QuicConnectionPeer::HasRetransmittableFrames(
+    QuicConnection* connection,
+    QuicPathId path_id,
+    QuicPacketNumber packet_number) {
+  return QuicSentPacketManagerPeer::HasRetransmittableFrames(
+      GetSentPacketManager(connection, path_id), packet_number);
+}
+
 }  // namespace test
 }  // namespace net