[VideoPlayer] dedicated video player app

chrome/browser/resources/video_player/css/video_player.css

 /* Copyright (c) 2012 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. */
 
 body {
   -webkit-user-select: none;
   background: black;
   font-family: Noto Sans UI,Droid Sans Fallback,sans-serif;
   font-size: 84%;
   margin: 0;
@@ skipping 69 matching lines @@
   top: 0;
   width: 100%;
 }
 
 #error {
   -webkit-box-align: center;
   -webkit-box-orient: horizontal;
   -webkit-box-pack: center;
   background-color: rgba(24, 24, 24, 1);
   background-image: -webkit-image-set(
-    url('../images/media/error.png') 1x,
-    url('../images/media/2x/error.png') 2x);
+      url('../images/100/error.png') 1x,
+      url('../images/200/error.png') 2x);
   background-position: 25px center;
   background-repeat: no-repeat;
   color: white;
   display: -webkit-box;
   height: 54px;
   padding-left: 70px;
   padding-right: 35px;
 }
 
 #error:not([visible]) {
   display: none;
 }