[Media Router] Add ProvideSinks() Mojo 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 3c3e2fa37b6ed8ebc37626a497651ee0d8ac8880..94616fb9e3ac2e32fcd568dfbcd8e74ce23d66d5 100644
--- a/extensions/renderer/resources/media_router_bindings.js
+++ b/extensions/renderer/resources/media_router_bindings.js
@@ -559,6 +559,11 @@ define('media_router_bindings', [
     this.searchSinks = null;
 
     /**
+     * @type {function()}
+     */
+    this.provideSinks = null;
+
+    /**
      * @type {function(string, !bindings.InterfaceRequest): !Promise<boolean>}
      */
     this.createMediaRouteController = null;
@@ -618,6 +623,7 @@ define('media_router_bindings', [
       'enableMdnsDiscovery',
       'updateMediaSinks',
       'searchSinks',
+      'provideSinks',
       'createMediaRouteController',
       'setMediaRouteStatusObserver',
       'onBeforeInvokeHandler'
@@ -899,6 +905,16 @@ define('media_router_bindings', [
         });
   };
 
+  /**
+   * Notifies the provider manager that MediaRouter has discovered a list of
+   * sinks.
+   * @param {string} providerName
+   * @param {!Array<!mediaRouterMojom.MediaSink>} sinks
+   */
+  MediaRouteProvider.prototype.provideSinks = function(providerName, sinks) {
+    this.handlers_.onBeforeInvokeHandler();
+    this.handlers_.provideSinks(providerName, sinks);
+  };
 
   /**
    * Creates a controller for the given route and binds the given