options: Fix focus "Show advanced settings..." click focus regression.

chrome/browser/resources/options/browser_options.js

Index: chrome/browser/resources/options/browser_options.js
diff --git a/chrome/browser/resources/options/browser_options.js b/chrome/browser/resources/options/browser_options.js
index c92fa1df42bc7c5c4bc0e7ca50512076fd3a49ad..f79eea4e5029a6782f70290ecee5dc152b01fa98 100644
--- a/chrome/browser/resources/options/browser_options.js
+++ b/chrome/browser/resources/options/browser_options.js
@@ -127,11 +127,11 @@ cr.define('options', function() {
               $('advanced-settings'),
               $('advanced-settings-container'));
 
-          // If the link was focused (i.e., it was activated using the keyboard)
-          // and it was used to show the section (rather than hiding it), focus
-          // the first element in the container.
-          if (document.activeElement === $('advanced-settings-expander') &&
-              showAdvanced) {
+          // If the click was triggered using the keyboard and it showed the
+          // section (rather than hiding it), focus the first element in the
+          // container.
+          var manager = cr.ui.FocusOutlineManager.forDocument(document);
+          if (manager.visible && showAdvanced) {
             var focusElement = $('advanced-settings-container').querySelector(
                 'button, input, list, select, a[href]');
             if (focusElement)