VideoPlayer: Use system header.

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.
 
 /**
  * @param {!HTMLElement} playerContainer Main container.
  * @param {!HTMLElement} videoContainer Container for the video element.
  * @param {!HTMLElement} controlsContainer Container for video controls.
  * @constructor
  * @struct
@@ skipping 200 matching lines @@
  * initialization.
  * @param {!Array<!FileEntry>} videos List of videos.
  */
 VideoPlayer.prototype.prepare = function(videos) {
   this.videos_ = videos;
 
   var preventDefault = function(event) { event.preventDefault(); }.wrap(null);
 
   document.ondragstart = preventDefault;
 
-  var maximizeButton = queryRequiredElement('.maximize-button');
-  maximizeButton.addEventListener(
-      'click',
-      function(event) {
-        var appWindow = chrome.app.window.current();
-        if (appWindow.isMaximized())
-          appWindow.restore();
-        else
-          appWindow.maximize();
-        event.stopPropagation();
-      }.wrap(null));
-  maximizeButton.addEventListener('mousedown', preventDefault);
-
-  var minimizeButton = queryRequiredElement('.minimize-button');
-  minimizeButton.addEventListener(
-      'click',
-      function(event) {
-        chrome.app.window.current().minimize();
-        event.stopPropagation();
-      }.wrap(null));
-  minimizeButton.addEventListener('mousedown', preventDefault);
-
-  var closeButton = queryRequiredElement('.close-button');
-  closeButton.addEventListener(
-      'click',
-      function(event) {
-        window.close();
-        event.stopPropagation();
-      }.wrap(null));
-  closeButton.addEventListener('mousedown', preventDefault);
-
   cr.ui.decorate(getRequiredElement('cast-menu'), cr.ui.Menu);
 
   this.controls_ = new FullWindowVideoControls(
       getRequiredElement('video-player'),
       getRequiredElement('video-container'),
       getRequiredElement('controls'));
 
   var reloadVideo = function(e) {
     if (this.controls_.decodeErrorOccured &&
         // Ignore shortcut keys
@@ skipping 39 matching lines @@
  * @param {!FileEntry} video Entry of the video to be played.
  * @param {function()=} opt_callback Completion callback.
  * @private
  */
 VideoPlayer.prototype.loadVideo_ = function(video, opt_callback) {
   this.unloadVideo(true);
 
   this.loadQueue_.run(function(callback) {
     document.title = video.name;
 
-    getRequiredElement('title').innerText = video.name;
-
     var videoPlayerElement = getRequiredElement('video-player');
     if (this.currentPos_ === (this.videos_.length - 1))
       videoPlayerElement.setAttribute('last-video', true);
     else
       videoPlayerElement.removeAttribute('last-video');
 
     if (this.currentPos_ === 0)
       videoPlayerElement.setAttribute('first-video', true);
     else
       videoPlayerElement.removeAttribute('first-video');
@@ skipping 369 matching lines @@
   return new Promise(function(fulfill, reject) {
     util.URLsToEntries(window.appState.items, function(entries) {
       metrics.recordOpenVideoPlayerAction();
       metrics.recordNumberOfOpenedFiles(entries.length);
 
       player.prepare(entries);
       player.playFirstVideo(player, fulfill);
     }.wrap());
   }.wrap());
 }.wrap());