Killing off QUIC v14, which was never actually used.

net/quic/quic_connection.cc

 // 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.
 
 #include "net/quic/quic_connection.h"
 
 #include <string.h>
 #include <sys/types.h>
 #include <algorithm>
 #include <iterator>
@@ skipping 371 matching lines @@
 
 bool QuicConnection::OnUnauthenticatedHeader(const QuicPacketHeader& header) {
   return true;
 }
 
 bool QuicConnection::OnPacketHeader(const QuicPacketHeader& header) {
   if (debug_visitor_) {
     debug_visitor_->OnPacketHeader(header);
   }
 
-  if (header.fec_flag && framer_.version() <= QUIC_VERSION_14) {
-    DLOG(WARNING) << "Ignoring FEC packets for versions prior to 15.";
+  if (header.fec_flag && framer_.version() == QUIC_VERSION_13) {
     return false;
   }
 
   if (!ProcessValidatedPacket()) {
     return false;
   }
 
   // Will be decrement below if we fall through to return true;
   ++stats_.packets_dropped;
 
@@ skipping 1403 matching lines @@
   // If we changed the generator's batch state, restore original batch state.
   if (!already_in_batch_mode_) {
     DVLOG(1) << "Leaving Batch Mode.";
     connection_->packet_generator_.FinishBatchOperations();
   }
   DCHECK_EQ(already_in_batch_mode_,
             connection_->packet_generator_.InBatchMode());
 }
 
 }  // namespace net