Add SendWindowUpdate and SendBlocked methods to QuicConnection.

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 213 matching lines @@
   // if the socket was unexpectedly blocked.
   // If |delegate| is provided, then it will be informed once ACKs have been
   // received for all the packets written in this call.
   // The |delegate| is not owned by the QuicConnection and must outlive it.
   QuicConsumedData SendStreamData(QuicStreamId id,
                                   const IOVector& data,
                                   QuicStreamOffset offset,
                                   bool fin,
                                   QuicAckNotifier::DelegateInterface* delegate);
 
-  // Send a stream reset frame to the peer.
+  // Send a RST_STREAM frame to the peer.
   virtual void SendRstStream(QuicStreamId id,
                              QuicRstStreamErrorCode error,
                              QuicStreamOffset bytes_written);
 
+  // Send a BLOCKED frame to the peer.
+  virtual void SendBlocked(QuicStreamId id);
+
+  // Send a WINDOW_UPDATE frame to the peer.
+  virtual void SendWindowUpdate(QuicStreamId id,
+                                QuicStreamOffset byte_offset);
+
   // Sends the connection close packet without affecting the state of the
   // connection.  This should only be called if the session is actively being
   // destroyed: otherwise call SendConnectionCloseWithDetails instead.
   virtual void SendConnectionClosePacket(QuicErrorCode error,
                                          const std::string& details);
 
   // Sends a connection close frame to the peer, and closes the connection by
   // calling CloseConnection(notifying the visitor as it does so).
   virtual void SendConnectionClose(QuicErrorCode error);
   virtual void SendConnectionCloseWithDetails(QuicErrorCode error,
@@ skipping 468 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_