Move the casting icon to media controls.

ui/file_manager/video_player/js/video_player.js

 // Copyright 2014 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.
 
 'use strict';
 
 /**
  * @param {Element} playerContainer Main container.
  * @param {Element} videoContainer Container for the video element.
  * @param {Element} controlsContainer Container for video controls.
@@ skipping 199 matching lines @@
 
   var closeButton = document.querySelector('.close-button');
   closeButton.addEventListener(
       'click',
       function(event) {
         close();
         event.stopPropagation();
       }.wrap(null));
   closeButton.addEventListener('mousedown', preventDefault);
 
-  var castButton = document.querySelector('.cast-button');
-  cr.ui.decorate(castButton, cr.ui.MenuButton);
-  castButton.addEventListener(
-      'click',
-      function(event) {
-        event.stopPropagation();
-      }.wrap(null));
-  castButton.addEventListener('mousedown', preventDefault);
-
   var menu = document.querySelector('#cast-menu');
   cr.ui.decorate(menu, cr.ui.Menu);
 
   this.controls_ = new FullWindowVideoControls(
       document.querySelector('#video-player'),
       document.querySelector('#video-container'),
       document.querySelector('#controls'));
 
   var reloadVideo = function(e) {
     if (this.controls_.decodeErrorOccured &&
@@ skipping 432 matching lines @@
 var initPromise = Promise.all(
     [new Promise(initVideos.wrap(null)),
      new Promise(initStrings.wrap(null)),
      new Promise(util.addPageLoadHandler.wrap(null))]);
 
 initPromise.then(function(results) {
   var videos = results[0];
   player.prepare(videos);
   return new Promise(player.playFirstVideo.wrap(player));
 }.wrap(null));