Replace -webkit-transform with transform in Chrome UI

ui/file_manager/video_player/css/media_controls.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. */
 
 /* Common styles for media buttons. */
 
 .media-button {
   background-position: center;
   background-repeat: no-repeat;
   flex: none;
@@ skipping 222 matching lines @@
 
 .playback-state-icon[state] {
   display: block;
 }
 
 @-webkit-keyframes blowup {
   from {
     opacity: 1;
   }
   to {
-    -webkit-transform: scale(3);
+    transform: scale(3);
     opacity: 0;
   }
 }
 
 @-webkit-keyframes text-banner-blowup {
   from {
-    -webkit-transform: scale(0.5);
+    transform: scale(0.5);
     opacity: 0;
   }
   20% {
-    -webkit-transform: scale(1);
+    transform: scale(1);
     opacity: 0.75;
   }
   80% {
-    -webkit-transform: scale(1);
+    transform: scale(1);
     opacity: 0.75;
   }
   to {
-    -webkit-transform: scale(3);
+    transform: scale(3);
     opacity: 0;
   }
 }
 
 .playback-state-icon[state='play'] {
   -webkit-animation: blowup 500ms;
   background-image: -webkit-image-set(
     url(../images/media/media_play_onscreen.png) 1x,
     url(../images/media/2x/media_play_onscreen.png) 2x);
 }
 
 .playback-state-icon[state='pause'] {
   -webkit-animation: blowup 500ms;
   background-image: -webkit-image-set(
     url(../images/media/media_pause_onscreen.png) 1x,
     url(../images/media/2x/media_pause_onscreen.png) 2x);
 }