Update navigateFocusForward in focus-navigation for consistency (#41055)

Make it match shadow-dom/focus/resources/shadow-utils.js
diff --git a/shadow-dom/focus-navigation/resources/focus-utils.js b/shadow-dom/focus-navigation/resources/focus-utils.js
index c23581a..0cd4fd2 100644
--- a/shadow-dom/focus-navigation/resources/focus-utils.js
+++ b/shadow-dom/focus-navigation/resources/focus-utils.js
@@ -1,10 +1,8 @@
 'use strict';
 
-async function navigateFocusForward() {
-  return new test_driver.Actions()
-    .keyDown('\uE004')
-    .keyUp('\uE004')
-    .send();
+function navigateFocusForward() {
+  // TAB = '\ue004'
+  return test_driver.send_keys(document.body, "\ue004");
 }
 
 async function navigateFocusBackward() {
@@ -150,4 +148,4 @@
 
 async function assert_focus_navigation_backward_with_shadow_root(elements) {
   return assert_focus_navigation_elements_with_shadow_root(elements, 'backward');
-}
\ No newline at end of file
+}