Use bubbles for error reporting

chrome/browser/resources/chromeos/login/screen_locally_managed_user_creation.css

 /* Copyright (c) 2013 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.
  *
  * This is the stylesheet used by the Locally managed user creation flow screen.
  */
 
 #managed-user-creation {
   height: 609px; /* Same size as GAIA sign in screen.*/
   padding: 0 0;  /* Some screens have elements right next to borders. */
@@ skipping 129 matching lines @@
 }
 
 #managed-user-creation-password {
   padding: 4px 6px;
 }
 #managed-user-creation-password-confirm {
   margin-top: 12px;
   padding: 4px 6px;
 }
 
-#managed-user-creation-name-error,
-#managed-user-creation-password-error {
+#managed-user-creation-name-error {
   visibility: hidden;
 }
 
-#managed-user-creation-name-error.error,
-#managed-user-creation-password-error.error {
+#managed-user-creation-name-error.error {
   color: rgb(207, 93, 70);
   padding-left: 28px;
   visibility: visible;
 }
 
 #managed-user-creation-managers-block {
   -webkit-flex-direction: column;
   display: -webkit-flex;
   height: 100%;
 }
@@ skipping 51 matching lines @@
 
 .manager-pod .managed-user-creation-manager-email {
   color: #666;
   font-size: small;
 }
 
 .manager-pod .managed-user-creation-manager-name {
   color: #000;
   font-size: small;
 }
-.manager-pod .managed-user-creation-manager-wrong-password {
-  background: url('chrome://theme/IDR_WARNING') left top /24px no-repeat;
-  color: red;
-  padding-left: 28px;
-}
 
 #managed-user-creation-status {
   margin: 4px 10px;
 }
 
 #managed-user-creation-status .error {
   color: rgb(207, 93, 70);
 }
 
 #managed-user-creation-status .id-text {
   margin-top: 2px;
 }
 
 .manager-pod.focused {
   background-color: rgb(66, 129, 244);
   opacity: 1;
 }
 
 .manager-pod.focused .managed-user-creation-manager-email {
   color: #fff;
 }
 
 .manager-pod.focused .managed-user-creation-manager-name {
   color: #fff;
 }
 
+.manager-pod .password-error,
+#managed-user-creation .password-error {
+  border: 1px solid red !important;
+}