Add new, unused methods to SpdyFramerVisitorInterface.

net/spdy/spdy_framer.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.
 
 #ifndef NET_SPDY_SPDY_FRAMER_H_
 #define NET_SPDY_SPDY_FRAMER_H_
 
 #include <map>
 #include <memory>
 #include <string>
@@ skipping 107 matching lines @@
   virtual void OnStreamFrameData(SpdyStreamId stream_id,
                                  const char* data,
                                  size_t len,
                                  bool fin) = 0;
 
   // Called when padding is received (padding length field or padding octets).
   // |stream_id| The stream receiving data.
   // |len| The number of padding octets.
   virtual void OnStreamPadding(SpdyStreamId stream_id, size_t len) = 0;
 
+  // Called just before processing the payload of a frame containing header
+  // data. Should return an implementation of SpdyHeadersHandlerInterface that
+  // will receive headers for stream |stream_id|. The caller will not take
+  // ownership of the headers handler. The same instance should be returned
+  // for all header frames comprising a logical header block (i.e. until
+  // OnHeaderFrameEnd() is called with end_headers == true).
+  virtual SpdyHeadersHandlerInterface* OnHeaderFrameStart(
+      SpdyStreamId stream_id) = 0;
+
+  // Called after processing the payload of a frame containing header data.
+  // |end_headers| is true if there will not be any subsequent CONTINUATION
+  // frames.
+  virtual void OnHeaderFrameEnd(SpdyStreamId stream_id, bool end_headers) = 0;
+
   // Called when a chunk of header data is available. This is called
   // after OnSynStream, OnSynReply, OnHeaders(), or OnPushPromise.
   // |stream_id| The stream receiving the header data.
   // |header_data| A buffer containing the header data chunk received.
   // |len| The length of the header data buffer. A length of zero indicates
   //       that the header data block has been completely sent.
   // When this function returns true the visitor indicates that it accepted
   // all of the data. Returning false indicates that that an unrecoverable
   // error has occurred, such as bad header data or resource exhaustion.
   virtual bool OnControlFrameHeaderData(SpdyStreamId stream_id,
@@ skipping 643 matching lines @@
   bool end_stream_when_done_;
 
   // If true, then ProcessInput returns after processing a full frame,
   // rather than reading all available input.
   bool process_single_input_frame_ = false;
 };
 
 }  // namespace net
 
 #endif  // NET_SPDY_SPDY_FRAMER_H_