Non-Local Join for Media Router and Presentation API

chrome/browser/media/router/presentation_session_state_observer.cc

Index: chrome/browser/media/router/presentation_session_state_observer.cc
diff --git a/chrome/browser/media/router/presentation_session_state_observer.cc b/chrome/browser/media/router/presentation_session_state_observer.cc
index 99e18d2a4aa23bfdc6929375fe3c893fff3d2abf..a54c2fa3171a4584da86b548c91c67937230e79f 100644
--- a/chrome/browser/media/router/presentation_session_state_observer.cc
+++ b/chrome/browser/media/router/presentation_session_state_observer.cc
@@ -34,7 +34,13 @@ void PresentationSessionStateObserver::Reset() {
 }
 
 void PresentationSessionStateObserver::OnRoutesUpdated(
-    const std::vector<MediaRoute>& routes) {
+    const MediaSource::Id source_id,
+    const std::vector<MediaRoute>& routes,
+    const std::vector<MediaRoute>& joinable_routes) {
+
+  if (source_id.compare(this->source_id()) != -1)
+    return;
+
   std::vector<MediaRoute::Id> current_route_ids_;
   current_route_ids_.reserve(routes.size());
   for (const MediaRoute& route : routes)