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

net/http2/http2_structures_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_HTTP2_STRUCTURES_TEST_UTIL_H_
-#define NET_HTTP2_HTTP2_STRUCTURES_TEST_UTIL_H_
-
-#include <string>
-
-#include "net/http2/http2_structures.h"
-#include "net/http2/tools/http2_frame_builder.h"
-#include "testing/gtest/include/gtest/gtest.h"
-
-namespace net {
-namespace test {
-
-class RandomBase;
-
-template <class S>
-std::string SerializeStructure(const S& s) {
-  Http2FrameBuilder fb;
-  fb.Append(s);
-  EXPECT_EQ(S::EncodedSize(), fb.size());
-  return fb.buffer();
-}
-
-// Randomize the members of out, in a manner that yields encodeable contents
-// (e.g. a "uint24" field has only the low 24 bits set).
-void Randomize(Http2FrameHeader* out, RandomBase* rng);
-void Randomize(Http2PriorityFields* out, RandomBase* rng);
-void Randomize(Http2RstStreamFields* out, RandomBase* rng);
-void Randomize(Http2SettingFields* out, RandomBase* rng);
-void Randomize(Http2PushPromiseFields* out, RandomBase* rng);
-void Randomize(Http2PingFields* out, RandomBase* rng);
-void Randomize(Http2GoAwayFields* out, RandomBase* rng);
-void Randomize(Http2WindowUpdateFields* out, RandomBase* rng);
-void Randomize(Http2AltSvcFields* out, RandomBase* rng);
-
-// Clear bits of header->flags that are known to be invalid for the
-// type. For unknown frame types, no change is made.
-void ScrubFlagsOfHeader(Http2FrameHeader* header);
-
-// Is the frame with this header padded? Only true for known/supported frame
-// types.
-bool FrameIsPadded(const Http2FrameHeader& header);
-
-// Does the frame with this header have Http2PriorityFields?
-bool FrameHasPriority(const Http2FrameHeader& header);
-
-// Does the frame with this header have a variable length payload (including
-// empty) payload (e.g. DATA or HEADERS)? Really a test of the frame type.
-bool FrameCanHavePayload(const Http2FrameHeader& header);
-
-// Does the frame with this header have a variable length HPACK payload
-// (including empty) payload (e.g. HEADERS)? Really a test of the frame type.
-bool FrameCanHaveHpackPayload(const Http2FrameHeader& header);
-
-}  // namespace test
-}  // namespace net
-
-#endif  // NET_HTTP2_HTTP2_STRUCTURES_TEST_UTIL_H_