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

net/http2/decoder/payload_decoders/payload_decoder_base_test_util.cc

-// 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.
-
-#include "net/http2/decoder/payload_decoders/payload_decoder_base_test_util.h"
-
-#include "net/http2/decoder/frame_decoder_state_test_util.h"
-#include "net/http2/http2_structures_test_util.h"
-#include "testing/gtest/include/gtest/gtest.h"
-
-namespace net {
-namespace test {
-PayloadDecoderBaseTest::PayloadDecoderBaseTest() {
-  // If the test adds more data after the frame payload,
-  // stop as soon as the payload is decoded.
-  stop_decode_on_done_ = true;
-  frame_header_is_set_ = false;
-  Randomize(&frame_header_, RandomPtr());
-}
-
-DecodeStatus PayloadDecoderBaseTest::StartDecoding(DecodeBuffer* db) {
-  DVLOG(2) << "StartDecoding, db->Remaining=" << db->Remaining();
-  // Make sure sub-class has set frame_header_ so that we can inject it
-  // into the payload decoder below.
-  if (!frame_header_is_set_) {
-    ADD_FAILURE() << "frame_header_ is not set";
-    return DecodeStatus::kDecodeError;
-  }
-  // The contract with the payload decoders is that they won't receive a
-  // decode buffer that extends beyond the end of the frame.
-  if (db->Remaining() > frame_header_.payload_length) {
-    ADD_FAILURE() << "DecodeBuffer has too much data: " << db->Remaining()
-                  << " > " << frame_header_.payload_length;
-    return DecodeStatus::kDecodeError;
-  }
-
-  // Prepare the payload decoder.
-  PreparePayloadDecoder();
-
-  // Reconstruct the FrameDecoderState, prepare the listener, and add it to
-  // the FrameDecoderState.
-  frame_decoder_state_.~FrameDecoderState();
-  new (&frame_decoder_state_) FrameDecoderState;
-  frame_decoder_state_.set_listener(PrepareListener());
-
-  // Make sure that a listener was provided.
-  if (frame_decoder_state_.listener() == nullptr) {
-    ADD_FAILURE() << "PrepareListener must return a listener.";
-    return DecodeStatus::kDecodeError;
-  }
-
-  // Now that nothing in the payload decoder should be valid, inject the
-  // Http2FrameHeader whose payload we're about to decode. That header is the
-  // only state that a payload decoder should expect is valid when its Start
-  // method is called.
-  FrameDecoderStatePeer::set_frame_header(frame_header_, &frame_decoder_state_);
-  DecodeStatus status = StartDecodingPayload(db);
-  if (status != DecodeStatus::kDecodeInProgress) {
-    // Keep track of this so that a concrete test can verify that both fast
-    // and slow decoding paths have been tested.
-    ++fast_decode_count_;
-  }
-  return status;
-}
-
-DecodeStatus PayloadDecoderBaseTest::ResumeDecoding(DecodeBuffer* db) {
-  DVLOG(2) << "ResumeDecoding, db->Remaining=" << db->Remaining();
-  DecodeStatus status = ResumeDecodingPayload(db);
-  if (status != DecodeStatus::kDecodeInProgress) {
-    // Keep track of this so that a concrete test can verify that both fast
-    // and slow decoding paths have been tested.
-    ++slow_decode_count_;
-  }
-  return status;
-}
-
-::testing::AssertionResult
-PayloadDecoderBaseTest::DecodePayloadAndValidateSeveralWays(
-    base::StringPiece payload,
-    Validator validator) {
-  VERIFY_TRUE(frame_header_is_set_);
-  // Cap the payload to be decoded at the declared payload length. This is
-  // required by the decoders' preconditions; they are designed on the
-  // assumption that they're never passed more than they're permitted to
-  // consume.
-  // Note that it is OK if the payload is too short; the validator may be
-  // designed to check for that.
-  if (payload.size() > frame_header_.payload_length) {
-    payload = base::StringPiece(payload.data(), frame_header_.payload_length);
-  }
-  DecodeBuffer db(payload);
-  ResetDecodeSpeedCounters();
-  const bool kMayReturnZeroOnFirst = false;
-  return DecodeAndValidateSeveralWays(&db, kMayReturnZeroOnFirst, validator);
-}
-
-}  // namespace test
-}  // namespace net