media::mojom::Remoter and CastRemotingConnector/Sender

chrome/browser/media/router/mojo/media_router.mojom

 // Copyright 2015 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.
 
 module media_router.interfaces;
 
+import "chrome/browser/media/router/mojo/media_remoter.mojom";
+
 // Represents an output sink to which media can be routed.
 struct MediaSink {
   enum IconType {
     CAST,
     CAST_AUDIO,
     CAST_AUDIO_GROUP,
     GENERIC,
     HANGOUT
   };
 
@@ skipping 356 matching lines @@
       string message);
 
   // Called when the a batch of messages arrives from the media sink for the
   // route given by |route_id|.
   // |StartListeningForRouteMessages| must be called first in order to receive
   // messages.
   // |route_id|: ID of route of the messages.
   // |messages|: A non-empty list of messages received.
   OnRouteMessagesReceived(string route_id,
                           array<RouteMessage> messages);
+
+  // Creates a MediaRemotingSession that manages content remoting from the given
+  // |media_source|. Only one session can be created for the same source; and an
+  // attempt to create a second before MediaRemotingSession.Terminate() is
+  // called will cause a null handle to be returned.
+  CreateRemotingSession(string media_source, MediaRemotingProvider provider) =>
+      (MediaRemotingSession? remoting_session);
 };