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

net/http2/tools/http2_frame_builder.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_TOOLS_HTTP2_FRAME_BUILDER_H_
-#define NET_HTTP2_TOOLS_HTTP2_FRAME_BUILDER_H_
-
-// Http2FrameBuilder builds wire-format HTTP/2 frames (or fragments thereof)
-// from components.
-//
-// For now, this is only intended for use in tests, and thus has EXPECT* in the
-// code. If desired to use it in an encoder, it will need optimization work,
-// especially w.r.t memory mgmt, and the EXPECT* will need to be removed or
-// replaced with DCHECKs.
-
-#include <stddef.h>  // for size_t
-
-#include <string>
-
-#include "base/strings/string_piece.h"
-#include "net/http2/http2_constants.h"
-#include "net/http2/http2_structures.h"
-
-namespace net {
-namespace test {
-
-class Http2FrameBuilder {
- public:
-  Http2FrameBuilder(Http2FrameType type, uint8_t flags, uint32_t stream_id);
-  explicit Http2FrameBuilder(const Http2FrameHeader& v);
-  Http2FrameBuilder() {}
-  ~Http2FrameBuilder() {}
-
-  size_t size() const { return buffer_.size(); }
-  const std::string& buffer() const { return buffer_; }
-
-  //----------------------------------------------------------------------------
-  // Methods for appending to the end of the buffer.
-
-  // Append a sequence of bytes from various sources.
-  void Append(base::StringPiece s);
-  void AppendBytes(const void* data, uint32_t num_bytes);
-
-  // Append an array of type T[N] to the string. Intended for tests with arrays
-  // initialized from literals, such as:
-  //    const char kData[] = {0x12, 0x23, ...};
-  //    builder.AppendBytes(kData);
-  template <typename T, size_t N>
-  void AppendBytes(T (&buf)[N]) {
-    AppendBytes(buf, N * sizeof(buf[0]));
-  }
-
-  // Support for appending padding. Does not read or write the Pad Length field.
-  void AppendZeroes(size_t num_zero_bytes);
-
-  // Append various sizes of unsigned integers.
-  void AppendUInt8(uint8_t value);
-  void AppendUInt16(uint16_t value);
-  void AppendUInt24(uint32_t value);
-  void AppendUInt31(uint32_t value);
-  void AppendUInt32(uint32_t value);
-
-  // Append various enums.
-  void Append(Http2ErrorCode error_code);
-  void Append(Http2FrameType type);
-  void Append(Http2SettingsParameter parameter);
-
-  // Append various structures.
-  void Append(const Http2FrameHeader& v);
-  void Append(const Http2PriorityFields& v);
-  void Append(const Http2RstStreamFields& v);
-  void Append(const Http2SettingFields& v);
-  void Append(const Http2PushPromiseFields& v);
-  void Append(const Http2PingFields& v);
-  void Append(const Http2GoAwayFields& v);
-  void Append(const Http2WindowUpdateFields& v);
-  void Append(const Http2AltSvcFields& v);
-
-  // Methods for changing existing buffer contents (mostly focused on updating
-  // the payload length).
-
-  void WriteAt(base::StringPiece s, size_t offset);
-  void WriteBytesAt(const void* data, uint32_t num_bytes, size_t offset);
-  void WriteUInt24At(uint32_t value, size_t offset);
-
-  // Set the payload length to the specified size.
-  void SetPayloadLength(uint32_t payload_length);
-
-  // Sets the payload length to the size of the buffer minus the size of
-  // the frame header.
-  size_t SetPayloadLength();
-
- private:
-  std::string buffer_;
-};
-
-}  // namespace test
-}  // namespace net
-
-#endif  // NET_HTTP2_TOOLS_HTTP2_FRAME_BUILDER_H_