Fix flaky Kiosk browser_tests failing on wrong widget opacity.

chrome/browser/chromeos/login/kiosk_browsertest.cc

Index: chrome/browser/chromeos/login/kiosk_browsertest.cc
diff --git a/chrome/browser/chromeos/login/kiosk_browsertest.cc b/chrome/browser/chromeos/login/kiosk_browsertest.cc
index 0de931872eb2851b50044222440c71e090ae8df4..6e8b6351299d4ed63e0e6466c9f4e43b99a323e0 100644
--- a/chrome/browser/chromeos/login/kiosk_browsertest.cc
+++ b/chrome/browser/chromeos/login/kiosk_browsertest.cc
@@ -2297,12 +2297,7 @@ IN_PROC_BROWSER_TEST_F(KioskEnterpriseTest, EnterpriseKioskApp) {
   content::RunAllPendingInMessageLoop();
 }
 
-#if defined(OS_CHROMEOS)
-#define MAYBE_PrivateStore DISABLED_PrivateStore
-#else
-#define MAYBE_PrivateStore PrivateStore
-#endif
-IN_PROC_BROWSER_TEST_F(KioskEnterpriseTest, MAYBE_PrivateStore) {
+IN_PROC_BROWSER_TEST_F(KioskEnterpriseTest, PrivateStore) {
   set_test_app_id(kTestEnterpriseKioskApp);
 
   const char kPrivateStoreUpdate[] = "/private_store_update";