[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 7aeb83d8eb996b68e27a98ff2c8ef5a2359caae5..4814c9f01e6369802385ed29303c145b0aa9a81b 100644
--- a/extensions/renderer/resources/media_router_bindings.js
+++ b/extensions/renderer/resources/media_router_bindings.js
@@ -11,6 +11,7 @@ define('media_router_bindings', [
     'mojo/common/time.mojom',
     'mojo/public/js/bindings',
     'url/mojo/origin.mojom',
+    'url/mojo/url.mojom',
 ], function(frameInterfaces,
             mediaRouterMojom,
             keepAliveMojom,
@@ -521,6 +522,11 @@ define('media_router_bindings', [
      * @type {function(!string, !string, !SinkSearchCriteria): !string}
      */
     this.searchSinks = null;
+
+    /**
+     * @type {function()}
+     */
+    this.provideSinks = null;
   };
 
   /**
@@ -572,6 +578,7 @@ define('media_router_bindings', [
       'enableMdnsDiscovery',
       'updateMediaSinks',
       'searchSinks',
+      'provideSinks',
       'onBeforeInvokeHandler'
     ];
     requiredHandlers.forEach(function(nextHandler) {
@@ -842,6 +849,16 @@ define('media_router_bindings', [
     });
   };
 
+  /**
+   * Notifies the provider manager that MediaRouter has discovered a list of
+   * sinks.
+   * @param {!Array<!mediaRouterMojom.MediaSink>} sinks
+   */
+  MediaRouteProvider.prototype.provideSinks = function(sinks) {

[btolsch, 2017/03/02 06:04:42]

This seems to be inconsistent with cl/146753004 and media_router.mojom (missing
providerName argument).

[zhaobin, 2017/03/02 20:24:04]

Done.

+    this.handlers_.onBeforeInvokeHandler();
+    this.handlers_.provideSinks(sinks);
+  };
+
   mediaRouter = new MediaRouter(new mediaRouterMojom.MediaRouterPtr(
       frameInterfaces.getInterface(mediaRouterMojom.MediaRouter.name)));