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

net/http2/tools/http2_random.h

Index: net/http2/tools/http2_random.h
diff --git a/net/http2/tools/http2_random.h b/net/http2/tools/http2_random.h
new file mode 100644
index 0000000000000000000000000000000000000000..f7956cb8952603ce7b0ea52d661d6b8fb7b14074
--- /dev/null
+++ b/net/http2/tools/http2_random.h
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+// 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_