Media Remoting: Data/Control plumbing between renderer and Media Router.

chrome/browser/media/router/route_message.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 CHROME_BROWSER_MEDIA_ROUTER_ROUTE_MESSAGE_H_
 #define CHROME_BROWSER_MEDIA_ROUTER_ROUTE_MESSAGE_H_
 
 #include <stdint.h>
 
 #include <string>
 #include <vector>
 
 #include "base/optional.h"
 
 namespace media_router {
 
 struct RouteMessage {
   enum Type { TEXT, BINARY } type = TEXT;
   // Used when the |type| is TEXT.
   base::Optional<std::string> text;
   // Used when the |type| is BINARY.
   base::Optional<std::vector<uint8_t>> binary;
 
   RouteMessage();
   RouteMessage(const RouteMessage& other);
   ~RouteMessage();
+
+  std::string ToHumanReadableString() const;
 };
 
 }  // namespace media_router
 
 #endif  // CHROME_BROWSER_MEDIA_ROUTER_ROUTE_MESSAGE_H_