Close the QUIC connection if too many sent or received packets are

net/quic/quic_connection.h

Index: net/quic/quic_connection.h
diff --git a/net/quic/quic_connection.h b/net/quic/quic_connection.h
index 84bd78d9cbef8337f72a753fadfc29f81c9d6023..cd3d3d4a7de4108f671deba14549028a331d3e1e 100644
--- a/net/quic/quic_connection.h
+++ b/net/quic/quic_connection.h
@@ -602,6 +602,10 @@ class NET_EXPORT_PRIVATE QuicConnection
   // Clears any accumulated frames from the last received packet.
   void ClearLastFrames();
 
+  // Closes the connection if the sent or received packet manager are tracking
+  // too many outstanding packets.
+  void MaybeCloseIfTooManyOutstandingPackets();
+
   // Writes as many queued packets as possible.  The connection must not be
   // blocked when this is called.
   void WriteQueuedPackets();