Release read buffer of QuicCryptoStream when incoming message become less frequent. Protected by --…

net/quic/test_tools/reliable_quic_stream_peer.cc

Index: net/quic/test_tools/reliable_quic_stream_peer.cc
diff --git a/net/quic/test_tools/reliable_quic_stream_peer.cc b/net/quic/test_tools/reliable_quic_stream_peer.cc
index 4f8236d8bfb03d747571cd6a10c01c505e713a17..f8003138bcd92340c1bcbfb9e9d472048345bba4 100644
--- a/net/quic/test_tools/reliable_quic_stream_peer.cc
+++ b/net/quic/test_tools/reliable_quic_stream_peer.cc
@@ -93,5 +93,11 @@ void ReliableQuicStreamPeer::WriteOrBufferData(
   stream->WriteOrBufferData(data, fin, ack_notifier_delegate);
 }
 
+// static
+net::QuicStreamSequencer* ReliableQuicStreamPeer::sequencer(
+    ReliableQuicStream* stream) {
+  return &(stream->sequencer_);
+}
+
 }  // namespace test
 }  // namespace net