Protected by FLAGS_enable_quic_stateless_reject_support. Add support

net/tools/quic/quic_dispatcher.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.
 //
 // A server side dispatcher which dispatches a given client's data to their
 // stream.
 
 #ifndef NET_TOOLS_QUIC_QUIC_DISPATCHER_H_
 #define NET_TOOLS_QUIC_QUIC_DISPATCHER_H_
 
@@ skipping 208 matching lines @@
     QuicPacketWriter* Create(QuicConnection* connection) const override;
 
    private:
     QuicDispatcher* dispatcher_;
   };
 
   // Called by |framer_visitor_| when the private header has been parsed
   // of a data packet that is destined for the time wait manager.
   void OnUnauthenticatedHeader(const QuicPacketHeader& header);
 
-  // Removes the session from the session map and write blocked list, and
-  // adds the ConnectionId to the time-wait list.
-  void CleanUpSession(SessionMap::iterator it);
+  // Removes the session from the session map and write blocked list, and adds
+  // the ConnectionId to the time-wait list.  If |session_closed_statelessly| is
+  // true, any future packets for the ConnectionId will be black-holed.
+  void CleanUpSession(SessionMap::iterator it, bool session_closed_statelessly);
 
   bool HandlePacketForTimeWait(const QuicPacketPublicHeader& header);
 
   const QuicConfig& config_;
 
   const QuicCryptoServerConfig* crypto_config_;
 
   // The list of connections waiting to write.
   WriteBlockedList write_blocked_list_;
 
@@ skipping 34 matching lines @@
   QuicFramer framer_;
   scoped_ptr<QuicFramerVisitor> framer_visitor_;
 
   DISALLOW_COPY_AND_ASSIGN(QuicDispatcher);
 };
 
 }  // namespace tools
 }  // namespace net
 
 #endif  // NET_TOOLS_QUIC_QUIC_DISPATCHER_H_