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

net/spdy/buffered_spdy_framer_unittest.cc

 // 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.
 
 #include "net/spdy/buffered_spdy_framer.h"
 
 #include "base/logging.h"
 #include "net/spdy/spdy_test_util_common.h"
 #include "testing/platform_test.h"
 
@@ skipping 74 matching lines @@
   }
 
   void OnStreamEnd(SpdyStreamId stream_id) override {
     LOG(FATAL) << "Unexpected OnStreamEnd call.";
   }
 
   void OnStreamPadding(SpdyStreamId stream_id, size_t len) override {
     LOG(FATAL) << "Unexpected OnStreamPadding call.";
   }
 
-  SpdyHeadersHandlerInterface* OnHeaderFrameStart(
-      SpdyStreamId stream_id) override {
-    LOG(FATAL) << "Unexpected OnHeaderFrameStart call.";
-    return nullptr;
-  }
-
-  void OnHeaderFrameEnd(SpdyStreamId stream_id, bool end_headers) override {
-    LOG(FATAL) << "Unexpected OnHeaderFrameEnd call.";
-  }
-
   void OnSettings(bool clear_persisted) override {}
 
   void OnSetting(SpdySettingsIds id, uint8_t flags, uint32_t value) override {
     setting_count_++;
   }
 
   void OnPing(SpdyPingId unique_id, bool is_ack) override {}
 
   void OnRstStream(SpdyStreamId stream_id,
                    SpdyRstStreamStatus status) override {}
@@ skipping 227 matching lines @@
       reinterpret_cast<unsigned char*>(goaway_frame.get()->data()),
       goaway_frame.get()->size());
   EXPECT_EQ(0, visitor.error_count_);
   EXPECT_EQ(1, visitor.goaway_count_);
   EXPECT_EQ(2u, visitor.goaway_last_accepted_stream_id_);
   EXPECT_EQ(GOAWAY_FRAME_SIZE_ERROR, visitor.goaway_status_);
   EXPECT_EQ("foo", visitor.goaway_debug_data_);
 }
 
 }  // namespace net