Revert of Make ChromeVox Next a setting in options page.

chrome/browser/resources/chromeos/chromevox/testing/chromevox_next_e2e_test_base.js

Index: chrome/browser/resources/chromeos/chromevox/testing/chromevox_next_e2e_test_base.js
diff --git a/chrome/browser/resources/chromeos/chromevox/testing/chromevox_next_e2e_test_base.js b/chrome/browser/resources/chromeos/chromevox/testing/chromevox_next_e2e_test_base.js
index cd3cec0baa1b8868259d82f8f4197a695643d1ba..e82329eba19bd3bf028067d8bcbe817cb1e8f3ff 100644
--- a/chrome/browser/resources/chromeos/chromevox/testing/chromevox_next_e2e_test_base.js
+++ b/chrome/browser/resources/chromeos/chromevox/testing/chromevox_next_e2e_test_base.js
@@ -57,7 +57,7 @@
 
         r.removeEventListener('focus', listener, true);
         r.removeEventListener('loadComplete', listener, true);
-        ChromeVoxState.instance.onGotCommand('nextObject');
+        global.backgroundObj.onGotCommand('nextObject');
         callback && callback(evt.target);
         callback = null;
       };