relnote: QUIC header streams support to receive PUSH_PROMISE. Protected by --quic_supports_push_pr…

net/quic/quic_spdy_stream.h

 // Copyright 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.
 //
 // The base class for streams which deliver data to/from an application.
 // In each direction, the data on such a stream first contains compressed
 // headers then body data.
 
 #ifndef NET_QUIC_QUIC_SPDY_STREAM_H_
 #define NET_QUIC_QUIC_SPDY_STREAM_H_
@@ skipping 70 matching lines @@
 
   // Called by the session when headers with a priority have been received
   // for this stream.  This method will only be called for server streams.
   virtual void OnStreamHeadersPriority(SpdyPriority priority);
 
   // Called by the session when decompressed headers have been completely
   // delivered to this stream.  If |fin| is true, then this stream
   // should be closed; no more data will be sent by the peer.
   virtual void OnStreamHeadersComplete(bool fin, size_t frame_len);
 
+  // Called by the session when decompressed PUSH_PROMISE headers data
+  // is received for this stream.
+  // May be called multiple times, with each call providing additional headers
+  // data until OnPromiseHeadersComplete is called.
+  virtual void OnPromiseHeaders(StringPiece headers_data);
+
+  // Called by the session when decompressed push promise headers have
+  // been completely delivered to this stream.
+  virtual void OnPromiseHeadersComplete(QuicStreamId promised_id,
+                                        size_t frame_len);
+
   // Override the base class to not discard response when receiving
   // QUIC_STREAM_NO_ERROR on QUIC_VERSION_29 and later versions.
   void OnStreamReset(const QuicRstStreamFrame& frame) override;
 
   // Writes the headers contained in |header_block| to the dedicated
   // headers stream.
   virtual size_t WriteHeaders(const SpdyHeaderBlock& header_block,
                               bool fin,
                               QuicAckListenerInterface* ack_notifier_delegate);
 
@@ skipping 72 matching lines @@
   // Contains a copy of the decompressed trailers until they are consumed
   // via ProcessData or Readv.
   std::string decompressed_trailers_;
 
   DISALLOW_COPY_AND_ASSIGN(QuicSpdyStream);
 };
 
 }  // namespace net
 
 #endif  // NET_QUIC_QUIC_SPDY_STREAM_H_