webui: make 0 into 0ms when it's a <time>.

chrome/browser/resources/gaia_auth/offline.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. */
 /* TODO(dbeam): what's wrong with * here? Specificity issues? */
 audio,
 body,
 canvas,
 command,
 dd,
 div,
@@ skipping 149 matching lines @@
   height: 29px;
   line-height: 29px;
   margin: 0;
   vertical-align: bottom;
 }
 *+html button.g-button,
 *+html input[type=submit].g-button {
   overflow: visible;
 }
 .g-button:hover {
-  -webkit-transition: all 0;
+  -webkit-transition: all 0ms;
   background-color: #f8f8f8;
   background-image: linear-gradient(to bottom, #f8f8f8, #f1f1f1);
   border: 1px solid #c6c6c6;
   box-shadow: 0 1px 1px rgba(0,0,0,0.1);
   color: #333;
   text-decoration: none;
-  transition: all 0;
+  transition: all 0ms;
 }
 .g-button:active {
   background-color: #f6f6f6;
   background-image: linear-gradient(to bottom, #f6f6f6, #f1f1f1);
   box-shadow: inset 0 1px 2px rgba(0,0,0,0.1);
 }
 .g-button:visited {
   color: #666;
 }
 .g-button-submit {
@@ skipping 85 matching lines @@
   height: 32px;
   margin: 0 1.5em 1.2em 0;
 }
 .errormsg {
   display: none;
 }
 .form-error + .errormsg,
 .field-error + .errormsg {
   display: block;
 }