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

net/http2/decoder/frame_decoder_state.cc

Index: net/http2/decoder/frame_decoder_state.cc
diff --git a/net/http2/decoder/frame_decoder_state.cc b/net/http2/decoder/frame_decoder_state.cc
deleted file mode 100644
index e2b44066056db4107fbb068abac2504b841e9a1f..0000000000000000000000000000000000000000
--- a/net/http2/decoder/frame_decoder_state.cc
+++ /dev/null
@@ -1,81 +0,0 @@
-// 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/frame_decoder_state.h"
-
-namespace net {
-
-DecodeStatus FrameDecoderState::ReadPadLength(DecodeBuffer* db,
-                                              bool report_pad_length) {
-  DVLOG(2) << "ReadPadLength db->Remaining=" << db->Remaining()
-           << "; payload_length=" << frame_header().payload_length;
-  DCHECK(IsPaddable());
-  DCHECK(frame_header().IsPadded());
-
-  // Pad Length is always at the start of the frame, so remaining_payload_
-  // should equal payload_length at this point.
-  const uint32_t total_payload = frame_header().payload_length;
-  DCHECK_EQ(total_payload, remaining_payload_);
-  DCHECK_EQ(0u, remaining_padding_);
-
-  if (db->HasData()) {
-    const uint32_t pad_length = db->DecodeUInt8();
-    const uint32_t total_padding = pad_length + 1;
-    if (total_padding <= total_payload) {
-      remaining_padding_ = pad_length;
-      remaining_payload_ = total_payload - total_padding;
-      if (report_pad_length) {
-        listener()->OnPadLength(pad_length);
-      }
-      return DecodeStatus::kDecodeDone;
-    }
-    const uint32_t missing_length = total_padding - total_payload;
-    // To allow for the possibility of recovery, record the number of
-    // remaining bytes of the frame's payload (invalid though it is)
-    // in remaining_payload_.
-    remaining_payload_ = total_payload - 1;  // 1 for sizeof(Pad Length).
-    remaining_padding_ = 0;
-    listener()->OnPaddingTooLong(frame_header(), missing_length);
-    return DecodeStatus::kDecodeError;
-  }
-
-  if (total_payload == 0) {
-    remaining_payload_ = 0;
-    remaining_padding_ = 0;
-    listener()->OnPaddingTooLong(frame_header(), 1);
-    return DecodeStatus::kDecodeError;
-  }
-  // Need to wait for another buffer.
-  return DecodeStatus::kDecodeInProgress;
-}
-
-bool FrameDecoderState::SkipPadding(DecodeBuffer* db) {
-  DVLOG(2) << "SkipPadding remaining_padding_=" << remaining_padding_
-           << ", db->Remaining=" << db->Remaining()
-           << ", header: " << frame_header();
-  DCHECK_EQ(remaining_payload_, 0u);
-  DCHECK(IsPaddable()) << "header: " << frame_header();
-  DCHECK_GE(remaining_padding_, 0u);
-  DCHECK(remaining_padding_ == 0 || frame_header().IsPadded())
-      << "remaining_padding_=" << remaining_padding_
-      << ", header: " << frame_header();
-  const size_t avail = AvailablePadding(db);
-  if (avail > 0) {
-    listener()->OnPadding(db->cursor(), avail);
-    db->AdvanceCursor(avail);
-    remaining_padding_ -= avail;
-  }
-  return remaining_padding_ == 0;
-}
-
-DecodeStatus FrameDecoderState::ReportFrameSizeError() {
-  DVLOG(2) << "FrameDecoderState::ReportFrameSizeError: "
-           << " remaining_payload_=" << remaining_payload_
-           << "; remaining_padding_=" << remaining_padding_
-           << ", header: " << frame_header();
-  listener()->OnFrameSizeError(frame_header());
-  return DecodeStatus::kDecodeError;
-}
-
-}  // namespace net