[Media Router] Increment the media's current_time in the WebUI route controller

chrome/browser/resources/media_router/elements/route_details/route_details.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.
 
 // This Polymer element shows information from media that is currently cast
 // to a device.
 Polymer({
   is: 'route-details',
 
   properties: {
@@ skipping 220 matching lines @@
     if (this.controllerType_ === media_router.ControllerType.WEBUI &&
         this.$$('route-controls')) {
       media_router.ui.setRouteControls(
           /** @type {RouteControlsInterface} */ (this.$$('route-controls')));
     }
   },
 
   /**
    * Updates either the extensionview or the WebUI route controller, depending
    * on which should be shown.
+   * @param {?media_router.Route} newRoute
    * @private
    */
   onRouteChange_: function(newRoute) {
     if (this.controllerType_ !== media_router.ControllerType.WEBUI) {
       this.updateActivityStatus_();
-    }
-    if (newRoute &&
-        this.controllerType_ === media_router.ControllerType.WEBUI &&
-        this.$$('route-controls')) {
+    } else if (this.$$('route-controls')) {
       this.$$('route-controls').onRouteUpdated(newRoute);
     }
   },
 
   /**
    * @param {number} controllerType
    * @return {boolean} Whether the extensionview should be shown instead of the
    *     default route info element or the WebUI route controller.
    * @private
    */
@@ skipping 35 matching lines @@
       this.fire('join-route-click', {route: this.route});
     } else {
       this.fire('change-route-source-click', {
         route: this.route,
         selectedCastMode:
             this.computeSelectedCastMode_(this.shownCastModeValue, this.sink)
       });
     }
   },
 });