Uprefix CSS transitions in ui/ and chrome/ styles

ui/login/bubble.css

 /* Copyright 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.
  *
  * Css based bubble.
  */
 
 .bubble {
-  -webkit-transition: opacity 200ms ease-in-out;
   background: rgba(0, 0, 0, 0.8);
   border-radius: 2px;
+  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
   color: rgba(255, 255, 255, 0.87);
-  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
   font-size: 12px;
   margin: 2px;
   max-width: 250px;
   padding: 8px;
   position: absolute;
+  transition: opacity 200ms ease-in-out;
 }
 
 /* --- oldstyle begin --- */
 
 .bubble[oldstyle] {
   background: white;
   border: 1px solid rgba(0, 0, 0, 0.25);
   color: unset;
 }
 
@@ skipping 124 matching lines @@
   text-decoration: none;
 }
 
 .error-message-bubble-padding {
   margin-bottom: 10px;
 }
 
 html[dir=rtl] .error-message-bubble {
   background-position: right top;
 }