[MediaRouter] Implement send binary message from PSDImpl to MRPManager

chrome/browser/media/router/media_router.mojom

Index: chrome/browser/media/router/media_router.mojom
diff --git a/chrome/browser/media/router/media_router.mojom b/chrome/browser/media/router/media_router.mojom
index 071a3a11f8e82406f36afbb8a36064a6db05bf18..2f728d2ab0066103cdf387a1f3717c5dc8b62dfc 100644
--- a/chrome/browser/media/router/media_router.mojom
+++ b/chrome/browser/media/router/media_router.mojom
@@ -136,6 +136,11 @@ interface MediaRouteProvider {
   // If the operation was successful, |sent| is true; otherwise it is false.
   SendRouteMessage(string media_route_id, string message) => (bool sent);
 
+  // Sends |data| via the media route |media_route_id|.
+  // If the operation was successful, |sent| is true; otherwise it is false.
+  SendRouteBinaryMessage(string media_route_id, array<uint8> data)
+      => (bool sent);
+
   // Starts querying for sinks capable of displaying |media_source|.
   StartObservingMediaSinks(string media_source);