ChromeOS Gaia: SAML password confirmation dialog

chrome/browser/resources/chromeos/login/gaia_buttons.js

 /* Copyright 2015 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.
  */
 
 Polymer('gaia-paper-button', {
   onKeyDown: function(e) {
-    if (e.keyCode == 13 || e.keyCode == 32)
+    if (!this.disabled && (e.keyCode == 13 || e.keyCode == 32))
       this.fire('tap');
   }
 });
 
 Polymer('gaia-core-icon-button', {
   onKeyDown: function(e) {
-    if (e.keyCode == 13 || e.keyCode == 32)
+    if (!this.disabled && (e.keyCode == 13 || e.keyCode == 32))
       this.fire('tap');
   }
 });
 
 Polymer('gaia-raised-on-focus-button', {
   onButtonFocus: function() {
     this.raised = true;
   },
 
   onButtonBlur: function() {
     this.raised = false;
   },
 });