[Media Router UI] Fix route-details/sink-list view flashing.

chrome/browser/resources/media_router/media_router_ui_interface.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.
 
 // API invoked by the browser MediaRouterWebUIMessageHandler to communicate
 // with this UI.
 cr.define('media_router.ui', function() {
   'use strict';
 
   // The media-router-container element.
@@ skipping 47 matching lines @@
    *   deviceMissingUrl - url to be opened on "Device missing?" clicked.
    *   sinks - list of sinks to be displayed.
    *   routes - list of routes that are associated with the sinks.
    *   castModes - list of available cast modes.
    */
   function setInitialData(data) {
     container.deviceMissingUrl = data['deviceMissingUrl'];
     container.castModeList = data['castModes'];
     container.allSinks = data['sinks'];
     container.routeList = data['routes'];
+    container.maybeShowRouteDetailsOnOpen();
     media_router.browserApi.onInitialDataReceived();
   }
 
   /**
    * Sets current issue to |issue|, or clears the current issue if |issue| is
    * null.
    *
    * @param {?media_router.Issue} issue
    */
   function setIssue(issue) {
@@ skipping 101 matching lines @@
   return {
     actOnIssue: actOnIssue,
     closeDialog: closeDialog,
     closeRoute: closeRoute,
     onInitialDataReceived: onInitialDataReceived,
     reportSinkCount: reportSinkCount,
     requestInitialData: requestInitialData,
     requestRoute: requestRoute,
   };
 });