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

net/http2/http2_constants_test_util.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_HTTP2_CONSTANTS_TEST_UTIL_H_
+#define NET_HTTP2_HTTP2_CONSTANTS_TEST_UTIL_H_
+
+#include <vector>
+
+#include "net/http2/http2_constants.h"
+
+namespace net {
+namespace test {
+
+// Returns a vector of all supported frame types.
+std::vector<Http2FrameType> AllHttp2FrameTypes();
+
+// Returns a vector of all supported frame flags for the specified
+// frame type. Empty if the type is unknown.
+std::vector<Http2FrameFlag> AllHttp2FrameFlagsForFrameType(Http2FrameType type);
+
+// Returns a vector of all supported RST_STREAM and GOAWAY error codes.
+std::vector<Http2ErrorCode> AllHttp2ErrorCodes();
+
+// Returns a vector of all supported parameters in SETTINGS frames.
+std::vector<Http2SettingsParameter> AllHttp2SettingsParameters();
+
+// Returns a mask of flags supported for the specified frame type. Returns
+// zero for unknown frame types.
+uint8_t KnownFlagsMaskForFrameType(Http2FrameType type);
+
+// Returns a mask of flag bits known to be invalid for the frame type.
+// For unknown frame types, the mask is zero; i.e., we don't know that any
+// are invalid.
+uint8_t InvalidFlagMaskForFrameType(Http2FrameType type);
+
+}  // namespace test
+}  // namespace net
+
+#endif  // NET_HTTP2_HTTP2_CONSTANTS_TEST_UTIL_H_