Non-Local Join for Media Router and Presentation API

extensions/renderer/resources/media_router_bindings.js

Index: extensions/renderer/resources/media_router_bindings.js
diff --git a/extensions/renderer/resources/media_router_bindings.js b/extensions/renderer/resources/media_router_bindings.js
index c877fd4fd3be8563fb8ee8e68dac6f0b461b289f..4821f0385e3bcce8e865d718ba1923052b60b21e 100644
--- a/extensions/renderer/resources/media_router_bindings.js
+++ b/extensions/renderer/resources/media_router_bindings.js
@@ -257,10 +257,15 @@ define('media_router_bindings', [
   /**
    * Called by the provider manager when the set of active routes
    * has been updated.
+   * @param {!string} sourceUrn The sourUrn associated with this route query.
    * @param {!Array<MediaRoute>} routes The active set of media routes.
+   * @param {!Array<string>} joinableRoutes The active set of joinable media
+   *     routes.
    */
-  MediaRouter.prototype.onRoutesUpdated = function(routes) {
-    this.service_.onRoutesUpdated(routes.map(routeToMojo_));
+  MediaRouter.prototype.onRoutesUpdated =
+      function(sourceUrn, routes, joinableRouteIds) {
+    this.service_.onRoutesUpdated(
+        sourceUrn, routes.map(routeToMojo_), joinableRouteIds);
   };
 
   /**
@@ -543,17 +548,19 @@ define('media_router_bindings', [
   /**
    * Requests that the provider manager start sending information about active
    * media routes to the Media Router.
+   * @param {!string} sourceUrn
    */
-  MediaRouteProvider.prototype.startObservingMediaRoutes = function() {
-    this.handlers_.startObservingMediaRoutes();
+  MediaRouteProvider.prototype.startObservingMediaRoutes = function(sourceUrn) {
+    this.handlers_.startObservingMediaRoutes(sourceUrn);
   };
 
   /**
    * Requests that the provider manager stop sending information about active
    * media routes to the Media Router.
+   * @param {!string} sourceUrn
    */
-  MediaRouteProvider.prototype.stopObservingMediaRoutes = function() {
-    this.handlers_.stopObservingMediaRoutes();
+  MediaRouteProvider.prototype.stopObservingMediaRoutes = function(sourceUrn) {
+    this.handlers_.stopObservingMediaRoutes(sourceUrn);
   };
 
   mediaRouter = new MediaRouter(connector.bindHandleToProxy(