Reduce usage of webkit CSS prefixes in chrome/browser/resources

chrome/browser/resources/set_as_default_browser.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. */
 
 /* The main (outer) container. */
 #metro-setup-outer-container {
   -webkit-box-align: center;
   -webkit-box-orient: vertical;
   -webkit-box-pack: start;
-  -webkit-transition: 200ms opacity;
   background-color: rgba(255, 255, 255, 0.75);
   bottom: 0;
   display: -webkit-box;
   left: 0;
   overflow: auto;
   position: fixed;
   right: 0;
   top: 0;
+  transition: 200ms opacity;
 }
 
 /* The page block within the outer container. */
 #metro-setup-outer-container .page {
   -webkit-box-orient: vertical;
   -webkit-user-select: none;
   background: white;
   background-color: white;
   border-radius: 3px;
   color: #333;
@@ skipping 47 matching lines @@
 
 #metro-setup-overlay .content-area {
   padding: 10px 15px;
   text-align: end;
 }
 
 /* Action buttons. */
 #metro-action-box button {
   -webkit-margin-end: 0.4em;
   -webkit-margin-start: 0;
-  -webkit-transition: all 218ms;
   -webkit-user-select: none;
   border-radius: 2px;
   display: inline-block;
   font-size: 13px;
   height: 32px;
   line-height: 27px;
   margin-top: 0;
   min-width: 80px;
+  transition: all 218ms;
 }
 
 #metro-action-box button:hover {
-  -webkit-transition: all 0ms;
   box-shadow: 0 1px 1px rgba(0, 0, 0, 0.1);
+  transition: all 0ms;
 }
 
 #metro-action-box button:focus {
   box-shadow: inset 0 0 0 1px white;
   outline: none;
   z-index: 4 !important;
 }
 
 #metro-action-box button:active,
 #metro-action-box button:focus:active {
@@ skipping 40 matching lines @@
   margin: 1px;
   text-align: center;
 }
 
 #chrome-logo-box {
   bottom: 30px;
   position: absolute;
   text-align: center;
   width: 100%;
 }