Revert of Add new HTTP/2 and HPACK decoder in net/http2/.

net/http2/decoder/frame_decoder_state_test_util.h

-// Copyright 2016 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_HTTP2_DECODER_FRAME_DECODER_STATE_TEST_UTIL_H_
-#define NET_HTTP2_DECODER_FRAME_DECODER_STATE_TEST_UTIL_H_
-
-#include "net/http2/decoder/frame_decoder_state.h"
-#include "net/http2/http2_structures.h"
-#include "net/http2/tools/random_decoder_test.h"
-
-namespace net {
-namespace test {
-
-class FrameDecoderStatePeer {
- public:
-  // Randomizes (i.e. corrupts) the fields of the FrameDecoderState.
-  // PayloadDecoderBaseTest::StartDecoding calls this before passing the first
-  // decode buffer to the payload decoder, which increases the likelihood of
-  // detecting any use of prior states of the decoder on the decoding of
-  // future payloads.
-  static void Randomize(FrameDecoderState* p, RandomBase* rng);
-
-  // Inject a frame header into the FrameDecoderState.
-  // PayloadDecoderBaseTest::StartDecoding calls this just after calling
-  // Randomize (above), to simulate a full frame decoder having just finished
-  // decoding the common frame header and then calling the appropriate payload
-  // decoder based on the frame type in that frame header.
-  static void set_frame_header(const Http2FrameHeader& header,
-                               FrameDecoderState* p);
-};
-
-}  // namespace test
-}  // namespace net
-
-#endif  // NET_HTTP2_DECODER_FRAME_DECODER_STATE_TEST_UTIL_H_