Land Recent QUIC Changes until 03/09/2015.

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 183 matching lines @@
   // Called after a packet has been successfully parsed which results
   // in the revival of a packet via FEC.
   virtual void OnRevivedPacket(const QuicPacketHeader& revived_header,
                                base::StringPiece payload) {}
 
   // Called when the connection is closed.
   virtual void OnConnectionClosed(QuicErrorCode error, bool from_peer) {}
 
   // Called when the version negotiation is successful.
   virtual void OnSuccessfulVersionNegotiation(const QuicVersion& version) {}
+
+  // Called when a CachedNetworkParameters is sent to the client.
+  virtual void OnSendConnectionState(
+      const CachedNetworkParameters& cached_network_params) {}
+
+  // Called when resuming previous connection state.
+  virtual void OnResumeConnectionState(
+      const CachedNetworkParameters& cached_network_params) {}
 };
 
 class NET_EXPORT_PRIVATE QuicConnectionHelperInterface {
  public:
   virtual ~QuicConnectionHelperInterface() {}
 
   // Returns a QuicClock to be used for all time related functions.
   virtual const QuicClock* GetClock() const = 0;
 
   // Returns a QuicRandom to be used for all random number related functions.
@@ skipping 34 matching lines @@
                  const PacketWriterFactory& writer_factory,
                  bool owns_writer,
                  Perspective perspective,
                  bool is_secure,
                  const QuicVersionVector& supported_versions);
   ~QuicConnection() override;
 
   // Sets connection parameters from the supplied |config|.
   void SetFromConfig(const QuicConfig& config);
 
+  // Called by the session when sending connection state to the client.
+  virtual void OnSendConnectionState(
+      const CachedNetworkParameters& cached_network_params);
+
   // Called by the Session when the client has provided CachedNetworkParameters.
   // Returns true if this changes the initial connection state.
   virtual bool ResumeConnectionState(
       const CachedNetworkParameters& cached_network_params);
 
   // Sets the number of active streams on the connection for congestion control.
   void SetNumOpenStreams(size_t num_streams);
 
   // Send the data in |data| to the peer in as few packets as possible.
   // Returns a pair with the number of bytes consumed from data, and a boolean
@@ skipping 569 matching lines @@
 
   // True if this is a secure QUIC connection.
   bool is_secure_;
 
   DISALLOW_COPY_AND_ASSIGN(QuicConnection);
 };
 
 }  // namespace net
 
 #endif  // NET_QUIC_QUIC_CONNECTION_H_