Avoids the "re-encode HPACK as SPDY3" step.

net/spdy/spdy_test_util_common.cc

 // Copyright (c) 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.
 
 #include "net/spdy/spdy_test_util_common.h"
 
 #include <stdint.h>
 
 #include <cstddef>
 #include <memory>
@@ skipping 198 matching lines @@
     }
   }
   void OnDataFrameHeader(SpdyStreamId stream_id,
                          size_t length,
                          bool fin) override {}
   void OnStreamFrameData(SpdyStreamId stream_id,
                          const char* data,
                          size_t len) override {}
   void OnStreamEnd(SpdyStreamId stream_id) override {}
   void OnStreamPadding(SpdyStreamId stream_id, size_t len) override {}
-  SpdyHeadersHandlerInterface* OnHeaderFrameStart(
-      SpdyStreamId stream_id) override {
-    return nullptr;
-  }
-  void OnHeaderFrameEnd(SpdyStreamId stream_id, bool end_headers) override {}
   void OnSettings(bool clear_persisted) override {}
   void OnSetting(SpdySettingsIds id, uint8_t flags, uint32_t value) override {}
   void OnPing(SpdyPingId unique_id, bool is_ack) override {}
   void OnRstStream(SpdyStreamId stream_id,
                    SpdyRstStreamStatus status) override {}
   void OnGoAway(SpdyStreamId last_accepted_stream_id,
                 SpdyGoAwayStatus status,
                 base::StringPiece debug_data) override {}
   void OnWindowUpdate(SpdyStreamId stream_id, int delta_window_size) override {}
   void OnPushPromise(SpdyStreamId stream_id,
@@ skipping 1080 matching lines @@
   }
 }
 
 void SpdyTestUtil::SetPriority(RequestPriority priority,
                                SpdySynStreamIR* ir) const {
   ir->set_priority(ConvertRequestPriorityToSpdyPriority(
       priority, spdy_version()));
 }
 
 }  // namespace net