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

chrome/browser/resources/ntp4/new_tab.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.
  */
 
 html {
   font-family: segoe ui, arial, helvetica, sans-serif;
   font-size: 14px;
   /* It's necessary to put this here instead of in body in order to get the
      background-size of 100% to work properly */
@@ skipping 15 matching lines @@
 [hidden] {
   display: none !important;
 }
 
 #notification-container {
   display: block;
   margin-top: 2px;
   position: relative;
   text-align: center;
   z-index: 100;
-  -webkit-transition-duration: 0.1s;
+  -webkit-transition-duration: 100ms;
   -webkit-transition-property: opacity;
 }
 
 #notification-container.inactive {
   opacity: 0;
-  -webkit-transition-duration: 0.2s;
+  -webkit-transition-duration: 200ms;
 }
 
 #notification {
   background-color: #FFF199;
   border: 1px solid lightGrey;
   border-radius: 6px;
   color: black;
   display: inline-block;
   font-weight: bold;
   padding: 7px 15px;
@@ skipping 174 matching lines @@
 }
 
 /* Trash. *********************************************************************/
 
 #trash {
   height: 100%;
   position: absolute;
   opacity: 0;
   right: 0;
   top: 50px;
-  -webkit-transition: top 0.2s, opacity 0;
-  -webkit-transition-delay: 0, 0.2s;
+  -webkit-transition: top 200ms, opacity 0;
+  -webkit-transition-delay: 0, 200ms;
 }
 
 #footer.showing-trash-mode #trash {
   opacity: 1;
   top: 0;
   -webkit-transition-delay: 0, 0;
 }
 
 #trash > span {
   background-image: url('images/trash.png');
@@ skipping 21 matching lines @@
   padding: 0;
   position: absolute;
   margin: 0;
   max-width: 150px;
   min-width: 90px;
   outline: none;
   top: 0;
   z-index: 5;
   -webkit-transition: width 150ms, right 150ms, background-color 150ms;
 }