Fix username text color in Settings.

chrome/browser/resources/options/chromeos/accounts_options_page.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. */
 
 .user-list-table {
   border: 1px solid lightgrey;
   border-collapse: collapse;
   border-spacing: 0;
 }
 
 .user-name-edit-row {
   background-color: rgb(235, 239, 250);
   border: 1px solid lightgrey;
   padding: 5px;
 }
 
 .user-list-item {
   padding: 2px;
 }
 
 .user-icon {
   border: 1px solid black;
   height: 26px;
   width: 26px;
 }
 
-.user-email-label {
+.user-email-label,
+.user-name-label {
   -webkit-margin-start: 10px;
 }
 
-.user-name-label {
-  -webkit-margin-start: 10px;
-  color: darkgray;
-}
-
 .user-email-name-block {
   -webkit-box-flex: 1;
   max-width: 318px;
   overflow: hidden;
   text-overflow: ellipsis;
   white-space: nowrap;
 }
 
 .remove-user-button {
   background-image: -webkit-image-set(
@@ skipping 43 matching lines @@
   background-repeat: no-repeat;
   margin-bottom: 10px;
   margin-top: 10px;
   min-height: 17px;
   padding-bottom: 1px;
 }
 
 input#userNameEdit:invalid {
   background-color: rgb(255, 102, 102);
 }