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

net/quic/quic_connection.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 //
 // The entity that handles framing writes for a Quic client or server.
 // Each QuicSession will have a connection associated with it.
 //
 // On the server side, the Dispatcher handles the raw reads, and hands off
 // packets via ProcessUdpPacket for framing and processing.
 //
@@ skipping 584 matching lines @@
 
   // Make sure a stop waiting we got from our peer is sane.
   bool ValidateStopWaitingFrame(const QuicStopWaitingFrame& stop_waiting);
 
   // Sends a version negotiation packet to the peer.
   void SendVersionNegotiationPacket();
 
   // 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();
 
   // Writes as many pending retransmissions as possible.
   void WritePendingRetransmissions();
 
   // Returns true if the packet should be discarded and not sent.
   bool ShouldDiscardPacket(const QueuedPacket& packet);
 
@@ skipping 209 matching lines @@
   // If non-empty this contains the set of versions received in a
   // version negotiation packet.
   QuicVersionVector server_supported_versions_;
 
   DISALLOW_COPY_AND_ASSIGN(QuicConnection);
 };
 
 }  // namespace net
 
 #endif  // NET_QUIC_QUIC_CONNECTION_H_