Fix ChromeOS users list multiple X problem.

chrome/browser/resources/options/chromeos_accounts_options_page.css

 .user-list-table {
   border: 1px solid lightgrey;
   border-collapse: collapse;
   border-spacing: 0;
 }
 
 .user-name-edit-row {
   border: 1px solid lightgrey;
   background-color: #ebeffa;
   padding: 5px;
 }
 
 .user-list-item {
-  line-height: 35px;
   padding: 2px;
 }
 
 .user-icon {
   border: 1px solid black;
   width: 26px;
   height: 26px;
-  vertical-align: middle;
 }
 
 .user-email-label {
   -webkit-margin-start: 10px;
 }
 
 .user-name-label {
   color: darkgray;
   -webkit-margin-start: 10px;
 }
 
+.user-email-name-block {
+  -webkit-box-flex: 1;
+  max-width: 318px;
+  overflow: hidden;
+  text-overflow: ellipsis;
+  white-space: nowrap;
+}
+
 .remove-user-button {
   background-image: url(chrome://theme/IDR_CLOSE_BAR);
-  background-color: transparent;
-  border: 0;
   width: 16px;
   height: 16px;
-  margin-top: 8px;
-  min-width: 16px;
-  padding: 1px 6px 1px 6px;
-}
-
-html[dir=ltr] .remove-user-button {
-  float: right;
-}
-
-html[dir=rtl] .remove-user-button {
-  float: left;
 }
 
 .remove-user-button:hover {
   background-image: url(chrome://theme/IDR_CLOSE_BAR_H);
 }
 
 #userList {
   padding: 5px;
   width: 366px;
   height: 166px;
@@ skipping 22 matching lines @@
 #ownerOnlyWarning {
   margin-bottom: 10px;
   -webkit-padding-start: 20px;
   background-repeat: no-repeat;
   background-image: url('warning.png');
 }
 
 input#userNameEdit:invalid {
   background-color: #ff6666;
 }