Remove webkit prefixes for transform and perspective in chrome/ styles

chrome/browser/resources/options/browser_options.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. */
 
 #change-home-page-section {
   -webkit-margin-start: 30px;
 }
 
 #home-page-url {
   display: inline-block;
@@ skipping 253 matching lines @@
 
 .network-add-connection {
   background-image: url(chrome://theme/IDR_NETWORK_ADD_CONNECTION);
   background-position: center center !important;
   background-repeat: no-repeat;
   background-size: 16px;
 }
 
 .network-options-button {
   -webkit-box-flex: 0;
-  -webkit-transform: scale(0.6);
   background-image: none;
   background-position: center center;
   display: block;
   opacity: 0.5;
+  transform: scale(0.6);
   vertical-align: middle;
   width: 19px;
 }
 
 .network-group > .controlled-setting-indicator,
 .network-menu-item > .controlled-setting-indicator {
   -webkit-margin-end: 5px;
 }
 
 .network-options-button:hover {
@@ skipping 194 matching lines @@
 
 /* An input that has no function except to take up the same amount of space as
  * a checkbox. */
 .spacer-checkbox {
   visibility: hidden;
 }
 
 #android-apps-settings {
   -webkit-margin-start: 30px;
 }