[Presentation API] 1-UA presentation support + presenter APIs.

extensions/renderer/resources/media_router_bindings.js

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 var mediaRouter;
 
 define('media_router_bindings', [
     'mojo/public/js/bindings',
     'mojo/public/js/core',
     'content/public/renderer/service_provider',
@@ skipping 55 matching lines @@
   function routeToMojo_(route) {
     return new mediaRouterMojom.MediaRoute({
       'media_route_id': route.id,
       'media_source': route.mediaSource,
       'media_sink_id': route.sinkId,
       'description': route.description,
       'icon_url': route.iconUrl,
       'is_local': route.isLocal,
       'custom_controller_path': route.customControllerPath,
       // TODO(imcheng): Remove logic when extension always sets the field.
-      'for_display': route.forDisplay == undefined ? true : route.forDisplay
+      'for_display': route.forDisplay == undefined ? true : route.forDisplay,
+      'is_offscreen_presentation': route.isOffscreenPresentation || false
     });
   }
 
   /**
    * Converts a route message to a RouteMessage Mojo object.
    * @param {!RouteMessage} message
    * @return {!mediaRouterMojom.RouteMessage} A Mojo RouteMessage object.
    */
   function messageToMojo_(message) {
     if ("string" == typeof message.message) {
@@ skipping 463 matching lines @@
   };
 
   mediaRouter = new MediaRouter(connector.bindHandleToProxy(
       serviceProvider.connectToService(
           mediaRouterMojom.MediaRouter.name),
       mediaRouterMojom.MediaRouter));
 
   return mediaRouter;
 });