Clean-up: Change chrome/browser's CSS time units from s to ms.

chrome/browser/resources/options/extension_settings.css

 /*
 Copyright (c) 2011 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.
 */
 
 .details-view {
   -webkit-padding-end: 10px;
 }
 
@@ skipping 153 matching lines @@
   background-position: center top;
   position: absolute;
   left: 12px;
   top: 25px;
   width: 6px;
   height: 16px;
   opacity: .25;
 }
 
 .extension-zippy-collapsed {
-  -webkit-transition: -webkit-transform .1s;
+  -webkit-transition: -webkit-transform 100ms;
   -webkit-transform: rotate(0deg);
 }
 
 .extension-zippy-collapsed:hover {
   opacity: .5;
   -webkit-transform: rotate(5deg);
-  -webkit-transition: -webkit-transform .1s, opacity .1s;
+  -webkit-transition: -webkit-transform 100ms, opacity 100ms;
 }
 
 .extension-zippy-expanded {
-  -webkit-transition: -webkit-transform .1s;
+  -webkit-transition: -webkit-transform 100ms;
   -webkit-transform: rotate(90deg);
 }
 
 .extension-zippy-expanded:hover {
-  -webkit-transition: -webkit-transform .1s;
+  -webkit-transition: -webkit-transform 100ms;
   -webkit-transform: rotate(85deg);
 }
 
 .extension-enabling {
   position: relative;
   top: 3px;
 }
 
 .extension-enabling-label {
   color: black;
@@ skipping 64 matching lines @@
   font-size: 15px;
   -webkit-padding-start: 10px;
 }
 
 /* Support full keyboard accessibility without making things ugly
    for users who click, by hiding some focus outlines when the user
    clicks anywhere, but showing them when the user presses any key. */
 body.hide-some-focus-outlines .extension-zippy-container {
   outline: none;
 }