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

net/http2/tools/http2_random.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_RANDOM_H_
-#define NET_HTTP2_TOOLS_HTTP2_RANDOM_H_
-
-#include <stdint.h>
-
-#include <string>
-
-namespace net {
-namespace test {
-
-class RandomBase {
- public:
-  virtual ~RandomBase() {}
-  virtual bool OneIn(int n) = 0;
-  virtual int32_t Uniform(int32_t n) = 0;
-  virtual uint8_t Rand8() = 0;
-  virtual uint16_t Rand16() = 0;
-  virtual uint32_t Rand32() = 0;
-  virtual uint64_t Rand64() = 0;
-  virtual int32_t Next() = 0;
-  virtual int32_t Skewed(int max_log) = 0;
-  virtual std::string RandString(int length) = 0;
-};
-
-class Http2Random : public RandomBase {
- public:
-  ~Http2Random() override {}
-  bool OneIn(int n) override;
-  int32_t Uniform(int32_t n) override;
-  uint8_t Rand8() override;
-  uint16_t Rand16() override;
-  uint32_t Rand32() override;
-  uint64_t Rand64() override;
-  int32_t Next() override;
-  int32_t Skewed(int max_log) override;
-  std::string RandString(int length) override;
-};
-
-}  // namespace test
-}  // namespace net
-
-#endif  // NET_HTTP2_TOOLS_HTTP2_RANDOM_H_