Reduce webkit CSS prefixes in ui/ styles

ui/file_manager/gallery/css/gallery.css

Index: ui/file_manager/gallery/css/gallery.css
diff --git a/ui/file_manager/gallery/css/gallery.css b/ui/file_manager/gallery/css/gallery.css
index deaf8c02507483129698ea48ccec3b111ad85c13..21a00d91e39019b91e353d57e5287f7053acb336 100644
--- a/ui/file_manager/gallery/css/gallery.css
+++ b/ui/file_manager/gallery/css/gallery.css
@@ -464,10 +464,10 @@ html[dir='rtl'] .gallery .toolbar .bubble {
 }
 
 .gallery .image-wrapper > img:not(.cached) {
-  -webkit-animation: fadeIn 500ms ease-in;
+  animation: fadeIn 500ms ease-in;
 }
 
-@-webkit-keyframes fadeIn {
+@keyframes fadeIn {
   from {
     opacity: 0;
   }
@@ -477,7 +477,7 @@ html[dir='rtl'] .gallery .toolbar .bubble {
 }
 
 .gallery .ribbon-image > .indicator {
-  -webkit-transition: opacity 500ms ease-in;
+  transition: opacity 500ms ease-in;

[Dan Beam, 2016/11/29 06:17:12]

alphabetize

[Eric Willigers, 2016/11/30 04:04:56]

Done.

   background-image: -webkit-image-set(
       url(../images/100/slide_view.png) 1x,
       url(../images/200/slide_view.png) 2x);