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

net/http2/http2_constants_test_util.cc

Index: net/http2/http2_constants_test_util.cc
diff --git a/net/http2/http2_constants_test_util.cc b/net/http2/http2_constants_test_util.cc
new file mode 100644
index 0000000000000000000000000000000000000000..2f4be401138055696a91d3770a664ca4ef4aa44a
--- /dev/null
+++ b/net/http2/http2_constants_test_util.cc
@@ -0,0 +1,142 @@
+// 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/http2_constants_test_util.h"
+
+namespace net {
+namespace test {
+
+std::vector<Http2FrameType> AllHttp2FrameTypes() {
+  // clang-format off
+  return {
+      Http2FrameType::DATA,
+      Http2FrameType::HEADERS,
+      Http2FrameType::PRIORITY,
+      Http2FrameType::RST_STREAM,
+      Http2FrameType::SETTINGS,
+      Http2FrameType::PUSH_PROMISE,
+      Http2FrameType::PING,
+      Http2FrameType::GOAWAY,
+      Http2FrameType::WINDOW_UPDATE,
+      Http2FrameType::CONTINUATION,
+      Http2FrameType::ALTSVC,
+  };
+  // clang-format on
+}
+
+std::vector<Http2FrameFlag> AllHttp2FrameFlagsForFrameType(
+    Http2FrameType type) {
+  // clang-format off
+  switch (type) {
+    case Http2FrameType::DATA:
+      return {
+          Http2FrameFlag::FLAG_END_STREAM,
+          Http2FrameFlag::FLAG_PADDED,
+      };
+    case Http2FrameType::HEADERS:
+      return {
+          Http2FrameFlag::FLAG_END_STREAM,
+          Http2FrameFlag::FLAG_END_HEADERS,
+          Http2FrameFlag::FLAG_PADDED,
+          Http2FrameFlag::FLAG_PRIORITY,
+      };
+    case Http2FrameType::SETTINGS:
+      return {
+          Http2FrameFlag::FLAG_ACK,
+      };
+    case Http2FrameType::PUSH_PROMISE:
+      return {
+          Http2FrameFlag::FLAG_END_HEADERS,
+          Http2FrameFlag::FLAG_PADDED,
+      };
+    case Http2FrameType::PING:
+      return {
+          Http2FrameFlag::FLAG_ACK,
+      };
+    case Http2FrameType::CONTINUATION:
+      return {
+          Http2FrameFlag::FLAG_END_HEADERS,
+      };
+    default:
+      return std::vector<Http2FrameFlag>{};
+  }
+  // clang-format on
+}
+
+std::vector<Http2ErrorCode> AllHttp2ErrorCodes() {
+  // clang-format off
+  return {
+      Http2ErrorCode::HTTP2_NO_ERROR,
+      Http2ErrorCode::PROTOCOL_ERROR,
+      Http2ErrorCode::INTERNAL_ERROR,
+      Http2ErrorCode::FLOW_CONTROL_ERROR,
+      Http2ErrorCode::SETTINGS_TIMEOUT,
+      Http2ErrorCode::STREAM_CLOSED,
+      Http2ErrorCode::FRAME_SIZE_ERROR,
+      Http2ErrorCode::REFUSED_STREAM,
+      Http2ErrorCode::CANCEL,
+      Http2ErrorCode::COMPRESSION_ERROR,
+      Http2ErrorCode::CONNECT_ERROR,
+      Http2ErrorCode::ENHANCE_YOUR_CALM,
+      Http2ErrorCode::INADEQUATE_SECURITY,
+      Http2ErrorCode::HTTP_1_1_REQUIRED,
+  };
+  // clang-format on
+}
+
+std::vector<Http2SettingsParameter> AllHttp2SettingsParameters() {
+  // clang-format off
+  return {
+      Http2SettingsParameter::HEADER_TABLE_SIZE,
+      Http2SettingsParameter::ENABLE_PUSH,
+      Http2SettingsParameter::MAX_CONCURRENT_STREAMS,
+      Http2SettingsParameter::INITIAL_WINDOW_SIZE,
+      Http2SettingsParameter::MAX_FRAME_SIZE,
+      Http2SettingsParameter::MAX_HEADER_LIST_SIZE,
+  };
+  // clang-format on
+}
+
+// Returns a mask of flags supported for the specified frame type. Returns
+// zero for unknown frame types.
+uint8_t KnownFlagsMaskForFrameType(Http2FrameType type) {
+  switch (type) {
+    case Http2FrameType::DATA:
+      return Http2FrameFlag::FLAG_END_STREAM | Http2FrameFlag::FLAG_PADDED;
+    case Http2FrameType::HEADERS:
+      return Http2FrameFlag::FLAG_END_STREAM |
+             Http2FrameFlag::FLAG_END_HEADERS | Http2FrameFlag::FLAG_PADDED |
+             Http2FrameFlag::FLAG_PRIORITY;
+    case Http2FrameType::PRIORITY:
+      return 0x00;
+    case Http2FrameType::RST_STREAM:
+      return 0x00;
+    case Http2FrameType::SETTINGS:
+      return Http2FrameFlag::FLAG_ACK;
+    case Http2FrameType::PUSH_PROMISE:
+      return Http2FrameFlag::FLAG_END_HEADERS | Http2FrameFlag::FLAG_PADDED;
+    case Http2FrameType::PING:
+      return Http2FrameFlag::FLAG_ACK;
+    case Http2FrameType::GOAWAY:
+      return 0x00;
+    case Http2FrameType::WINDOW_UPDATE:
+      return 0x00;
+    case Http2FrameType::CONTINUATION:
+      return Http2FrameFlag::FLAG_END_HEADERS;
+    case Http2FrameType::ALTSVC:
+      return 0x00;
+    default:
+      return 0x00;
+  }
+}
+
+uint8_t InvalidFlagMaskForFrameType(Http2FrameType type) {
+  if (IsSupportedHttp2FrameType(type)) {
+    return ~KnownFlagsMaskForFrameType(type);
+  }
+  return 0x00;
+}
+
+}  // namespace test
+}  // namespace net