[Media Router] Set timeout for route creation.

chrome/browser/resources/media_router/media_router_data.js

Index: chrome/browser/resources/media_router/media_router_data.js
diff --git a/chrome/browser/resources/media_router/media_router_data.js b/chrome/browser/resources/media_router/media_router_data.js
index 9518a13dc26d0d2d613e77d5653dce3ec4428d59..080363c2d2fa7ab79f57dec4c231d6770d9d635a 100644
--- a/chrome/browser/resources/media_router/media_router_data.js
+++ b/chrome/browser/resources/media_router/media_router_data.js
@@ -139,12 +139,10 @@ cr.define('media_router', function() {
    * @param {media_router.SinkIconType} iconType the type of icon for the sink.
    * @param {media_router.SinkStatus} status The readiness state of the sink.
    * @param {!Array<number>} castModes Cast modes compatible with the sink.
-   * @param {boolean} isLaunching True if the Media Router is creating a route
-   *                              to this sink.
    * @constructor
    * @struct
    */
-  var Sink = function(id, name, iconType, status, castModes, isLaunching) {
+  var Sink = function(id, name, iconType, status, castModes) {
     /** @type {string} */
     this.id = id;
 
@@ -159,9 +157,6 @@ cr.define('media_router', function() {
 
     /** @type {!Array<number>} */
     this.castModes = castModes;
-
-    /** @type {boolean} */
-    this.isLaunching = isLaunching;
   };