Revert of Add new, unused methods to SpdyFramerVisitorInterface.

net/spdy/spdy_session.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_SESSION_H_
 #define NET_SPDY_SPDY_SESSION_H_
 
 #include <deque>
 #include <map>
 #include <set>
@@ skipping 813 matching lines @@
                 SpdyGoAwayStatus status,
                 StringPiece debug_data) override;
   void OnDataFrameHeader(SpdyStreamId stream_id,
                          size_t length,
                          bool fin) override;
   void OnStreamFrameData(SpdyStreamId stream_id,
                          const char* data,
                          size_t len,
                          bool fin) override;
   void OnStreamPadding(SpdyStreamId stream_id, size_t len) override;
-  SpdyHeadersHandlerInterface* OnHeaderFrameStart(
-      SpdyStreamId stream_id) override;
-  void OnHeaderFrameEnd(SpdyStreamId stream_id, bool end_headers) override;
   void OnSettings(bool clear_persisted) override;
   void OnSetting(SpdySettingsIds id, uint8 flags, uint32 value) override;
   void OnWindowUpdate(SpdyStreamId stream_id, int delta_window_size) override;
   void OnPushPromise(SpdyStreamId stream_id,
                      SpdyStreamId promised_stream_id,
                      const SpdyHeaderBlock& headers) override;
   void OnSynStream(SpdyStreamId stream_id,
                    SpdyStreamId associated_stream_id,
                    SpdyPriority priority,
                    bool fin,
@@ skipping 338 matching lines @@
   // Used for posting asynchronous IO tasks.  We use this even though
   // SpdySession is refcounted because we don't need to keep the SpdySession
   // alive if the last reference is within a RunnableMethod.  Just revoke the
   // method.
   base::WeakPtrFactory<SpdySession> weak_factory_;
 };
 
 }  // namespace net
 
 #endif  // NET_SPDY_SPDY_SESSION_H_