[Media Router] Force DEFAULT cast mode when starting presentations from content.

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 134 matching lines @@
    *          userEmail: string,
    *          showDomain: boolean}} data
    * Parameters in data:
    *   sinks - list of sinks to be displayed.
    *   showEmail - true if the user email should be shown.
    *   userEmail - email of the user if the user is signed in.
    *   showDomain - true if the user domain should be shown.
    */
   function setSinkListAndIdentity(data) {
     container.showDomain = data['showDomain'];
+    console.log('setSinkListAndIdentity: ' + JSON.stringify(data['sinks']));

[takumif, 2017/05/17 22:06:47]

Remove the logging?

[mark a. foltz, 2017/05/18 17:35:25]

Done.

     container.allSinks = data['sinks'];
     header.userEmail = data['userEmail'];
     header.showEmail = data['showEmail'];
   }
 
   /**
    * Updates the max height of the dialog
    *
    * @param {number} height
    */
@@ skipping 254 matching lines @@
     reportRouteCreationOutcome: reportRouteCreationOutcome,
     reportSelectedCastMode: reportSelectedCastMode,
     reportSinkCount: reportSinkCount,
     reportTimeToClickSink: reportTimeToClickSink,
     reportTimeToInitialActionClose: reportTimeToInitialActionClose,
     requestInitialData: requestInitialData,
     requestRoute: requestRoute,
     searchSinksAndCreateRoute: searchSinksAndCreateRoute,
   };
 });