When talking >=QUIC_VERSION_22, regularly send updated bandwidth

net/quic/crypto/source_address_token.h

 // Copyright (c) 2013 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.
 
 #ifndef NET_QUIC_CRYPTO_SOURCE_ADDRESS_TOKEN_H_
 #define NET_QUIC_CRYPTO_SOURCE_ADDRESS_TOKEN_H_
 
 #include <string>
 
 #include "base/basictypes.h"
 #include "base/strings/string_piece.h"
+#include "net/base/net_export.h"
 
 namespace net {
 
 // TODO(rtenneti): sync with server more rationally.
 // CachedNetworkParameters contains data that can be used to choose appropriate
 // connection parameters (initial RTT, initial CWND, etc.) in new connections.
-class CachedNetworkParameters {
+class NET_EXPORT_PRIVATE CachedNetworkParameters {
  public:
   // Describes the state of the connection during which the supplied network
   // parameters were calculated.
   enum PreviousConnectionState {
     SLOW_START = 0,
     CONGESTION_AVOIDANCE = 1,
   };
 
   CachedNetworkParameters();
   ~CachedNetworkParameters();
@@ skipping 62 matching lines @@
   // The min RTT seen on a previous connection can be used by the server to
   // inform initial connection parameters for new connections.
   int32 min_rtt_ms_;
   // Encodes the PreviousConnectionState enum.
   int32 previous_connection_state_;
 };
 
 // TODO(rtenneti): sync with server more rationally.
 // A SourceAddressToken is serialised, encrypted and sent to clients so that
 // they can prove ownership of an IP address.
-class SourceAddressToken {
+class NET_EXPORT_PRIVATE SourceAddressToken {
  public:
   SourceAddressToken();
   ~SourceAddressToken();
 
   std::string SerializeAsString() const;
 
   bool ParseFromArray(const char* plaintext, size_t plaintext_length);
 
   std::string ip() const {
     return ip_;
@@ skipping 28 matching lines @@
   // The server can provide estimated network parameters to be used for
   // initial parameter selection in future connections.
   CachedNetworkParameters cached_network_parameters_;
 
   DISALLOW_COPY_AND_ASSIGN(SourceAddressToken);
 };
 
 }  // namespace net
 
 #endif  // NET_QUIC_CRYPTO_SOURCE_ADDRESS_TOKEN_H_