MD Settings: adjust iron-list focus row behaviors.

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 e6240cb49173146586e38a72b24d649f5e14dc1b..fae79ccc483a3d3b75f5237fd533d2fc11823f6f 100644
--- a/chrome/test/data/webui/settings/cr_settings_browsertest.js
+++ b/chrome/test/data/webui/settings/cr_settings_browsertest.js
@@ -1419,27 +1419,4 @@ 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();
-});
+});