QUIC - bugfix for forced head of line blocking experiment. Guarded by ENABLED --FLAGS_quic_bugfix_f…

net/quic/core/quic_headers_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.
 
 #ifndef NET_QUIC_QUIC_HEADERS_STREAM_H_
 #define NET_QUIC_QUIC_HEADERS_STREAM_H_
 
 #include <stddef.h>
 
 #include <memory>
@@ skipping 118 matching lines @@
                                 const char* header_data,
                                 size_t len);
 
   // Called when the complete list of headers is available.
   void OnHeaderList(const QuicHeaderList& header_list);
 
   // Called when the size of the compressed frame payload is available.
   void OnCompressedFrameSize(size_t frame_len);
 
   // For force HOL blocking, where stream frames from all streams are
-  // plumbed through headers stream as HTTP/2 data frames.  Return false
-  // if force_hol_blocking_ is false;
+  // plumbed through headers stream as HTTP/2 data frames.
+  // The following two return false if force_hol_blocking_ is false.
   bool OnDataFrameHeader(QuicStreamId stream_id, size_t length, bool fin);
   bool OnStreamFrameData(QuicStreamId stream_id, const char* data, size_t len);
+  // Helper for |WritevStreamData()|.
+  void WriteDataFrame(QuicStreamId stream_id,
+                      base::StringPiece data,
+                      bool fin,
+                      QuicAckListenerInterface* ack_notifier_delegate);
 
   // Returns true if the session is still connected.
   bool IsConnected();
 
   QuicSpdySession* spdy_session_;
 
   // Data about the stream whose headers are being processed.
   QuicStreamId stream_id_;
   QuicStreamId promised_stream_id_;
   bool fin_;
@@ skipping 13 matching lines @@
 
   SpdyFramer spdy_framer_;
   std::unique_ptr<SpdyFramerVisitor> spdy_framer_visitor_;
 
   DISALLOW_COPY_AND_ASSIGN(QuicHeadersStream);
 };
 
 }  // namespace net
 
 #endif  // NET_QUIC_QUIC_HEADERS_STREAM_H_