css hack n' slash, continued: New styles for buttons and selects.

chrome/browser/resources/shared/css/checkbox.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. */
 
 input[type='checkbox'],
 input[type='radio'] {
   -webkit-box-shadow: inset 0 1px 2px white,
                       0 1px 2px rgba(0, 0, 0, .2);
   -webkit-appearance: none;
   -webkit-margin-start: 0;
@@ skipping 94 matching lines @@
   display: -webkit-inline-box;
 }
 
 .checkbox label input ~ span,
 .radio label input ~ span {
   -webkit-margin-start: 0.4em;
   /* Make sure long spans wrap at the same horizontal position they start. */
   display: block;
 }
 
-/* TODO(estade): remove this. It's duplicated in chrome_shared2.css */
 input[type='checkbox']:not(.custom-appearance):focus,
 input[type='radio']:not(.custom-appearance):focus {
   -webkit-box-shadow: inset 0 1px 2px white,
       0 1px 2px rgba(0, 0, 0, .2),
       0 0 1px #c0c0c0,
       0 0 1px #c0c0c0,
       0 0 1px #c0c0c0;
   -webkit-transition: border-color 200ms;
   border-color: rgb(64, 128, 250);
   outline: none;
 }
 
 label > input[type=radio] ~ span,
 label > input[type=checkbox] ~ span,
 input[type=checkbox] ~ label {
   color: #444;
 }
 
 label > input[type=checkbox]:disabled ~ span,
 label > input[type=radio]:disabled ~ span,
 input[type=checkbox]:disabled ~ label {
   color: #888;
 }
 
 label:hover > input[type=checkbox]:not(:disabled) ~ span,
 label:hover > input[type=radio]:not(:disabled) ~ span,
 input[type=checkbox]:not(:disabled) ~ label:hover {
   color: #222;
 }