Uprefix CSS transitions in ui/ and chrome/ styles

ui/file_manager/gallery/css/gallery.css

 /* Copyright (c) 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. */
 
 body {
   background-color: black;
   font-size: 84%;
   margin: 0;
   user-select: none;
 }
@@ skipping 459 matching lines @@
 @keyframes fadeIn {
   from {
     opacity: 0;
   }
   to {
     opacity: 1;
   }
 }
 
 .gallery .ribbon-image > .indicator {
-  -webkit-transition: opacity 500ms ease-in;
   background-image: -webkit-image-set(
       url(../images/100/slide_view.png) 1x,
       url(../images/200/slide_view.png) 2x);
   background-position: center;
   background-repeat: no-repeat;
   height: 100%;
   opacity: 0;
   position: absolute;
+  transition: opacity 500ms ease-in;
   width: 100%;
 }
 
 .gallery .ribbon-image > .indicator.loading {
   opacity: 0.2;
 }
 
 .gallery .ribbon-image[selected] > .selection-frame {
   border: 2px solid rgb(27, 168, 243);
   box-sizing: border-box;
@@ skipping 925 matching lines @@
 .thumbnail-view .animation-thumbnail {
   background-repeat: no-repeat;
   background-size: cover;
   display: none;
   position: absolute;
 }
 
 .thumbnail-view .animation-thumbnail.animating {
   display: block;
 }