Fixed button focusing in OOBE screens.

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

 // 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.
 
 cr.define('oobe', function() {
   /**
    * Creates a new oobe screen div.
    * @constructor
    * @extends {HTMLDivElement}
    */
@@ skipping 201 matching lines @@
      */
     showStep: function(step) {
       $('oauth-enroll-cancel-button').hidden = true;
       $('oauth-enroll-try-again-button').hidden = true;
       $('oauth-enroll-explain-button').hidden = true;
       $('oauth-enroll-done-button').hidden = true;
       for (var i = 0; i < this.steps_.length; i++) {
         var theStep = this.steps_[i];
         var active = (theStep.name == step);
         $('oauth-enroll-step-' + theStep.name).hidden = !active;
-        if (active && theStep.button) {
+        if (theStep.button) {
           var button = $('oauth-enroll-' + theStep.button + '-button');
-          button.hidden = false;
-          if (theStep.focusButton)
-            button.focus();
+          button.autofocus = false;
+          if (active) {
+            button.hidden = false;
+            if (theStep.focusButton) {
+              button.focus();
+              button.autofocus = true;
+            }
+          }
         }
       }
     },
 
     /**
      * Sets an error message and switches to the error screen.
      * @param {string} message the error message.
      * @param {boolean} retry whether the retry link should be shown.
      */
     showError: function(message, retry) {
@@ skipping 66 matching lines @@
       var msg = m.data;
       if (msg.method == 'completeLogin' && this.isSigninMessage_(m))
         chrome.send('oauthEnrollCompleteLogin', [msg.email, msg.password]);
     }
   };
 
   return {
     OAuthEnrollmentScreen: OAuthEnrollmentScreen
   };
 });