MD Settings: adjust focus-outline behaviors on search engine iron-list.

chrome/test/data/webui/settings/cr_settings_browsertest.js

Index: chrome/test/data/webui/settings/cr_settings_browsertest.js
diff --git a/chrome/test/data/webui/settings/cr_settings_browsertest.js b/chrome/test/data/webui/settings/cr_settings_browsertest.js
index 5d17aa0cdd872eb328e16da27a0ca2376fda0392..b544e25052eec609bbf04c7696dc24fa570aeb42 100644
--- a/chrome/test/data/webui/settings/cr_settings_browsertest.js
+++ b/chrome/test/data/webui/settings/cr_settings_browsertest.js
@@ -1308,3 +1308,26 @@ CrSettingsExtensionControlledIndicatorTest.prototype = {
 TEST_F('CrSettingsExtensionControlledIndicatorTest', 'All', function() {
   mocha.run();
 });
+
+/**
+ * Test fixture for the Date and Time page.
+ * @constructor
+ * @extends {CrSettingsBrowserTest}
+ */
+function CrSettingsFocusableIronListItemBehavior() {}
+
+CrSettingsFocusableIronListItemBehavior.prototype = {
+  __proto__: CrSettingsBrowserTest.prototype,
+
+  /** @override */
+  browsePreload: 'chrome://md-settings/focusable_iron_list_item_behavior.html',
+
+  /** @override */
+  extraLibraries: CrSettingsBrowserTest.prototype.extraLibraries.concat([
+    'focusable_iron_list_item_behavior_test.js',
+  ]),
+};
+
+TEST_F('CrSettingsFocusableIronListItemBehavior', 'FocusTest', function() {
+  mocha.run();
+});