1 files changed, 21 insertions, 0 deletions
diff --git a/cast/sender/channel/message_util.h b/cast/sender/channel/message_util.h
new file mode 100644
index 00000000..e2da0cd8
--- /dev/null
+++ b/cast/sender/channel/message_util.h
@@ -0,0 +1,21 @@
+// Copyright 2019 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 CAST_SENDER_CHANNEL_MESSAGE_UTIL_H_
+#define CAST_SENDER_CHANNEL_MESSAGE_UTIL_H_
+
+#include "cast/common/channel/message_util.h"
+#include "cast/common/channel/proto/cast_channel.pb.h"
+
+namespace cast {
+namespace channel {
+
+class AuthContext;
+
+CastMessage CreateAuthChallengeMessage(const AuthContext& auth_context);
+
+}  // namespace channel
+}  // namespace cast
+
+#endif  // CAST_SENDER_CHANNEL_MESSAGE_UTIL_H_