Disable PasswordManagerBrowserTestBase.ShowFormNotSecureOnUsernameField

chrome/browser/password_manager/password_manager_browsertest.cc

Index: chrome/browser/password_manager/password_manager_browsertest.cc
diff --git a/chrome/browser/password_manager/password_manager_browsertest.cc b/chrome/browser/password_manager/password_manager_browsertest.cc
index 729791676fa3d6baf7c79bc0817b30a0ad3bbc39..7452c2d0364a9a9e6e1ba77a2e462fac8516f950 100644
--- a/chrome/browser/password_manager/password_manager_browsertest.cc
+++ b/chrome/browser/password_manager/password_manager_browsertest.cc
@@ -1828,8 +1828,9 @@ IN_PROC_BROWSER_TEST_F(PasswordManagerBrowserTestBase,
   observing_autofill_client->Wait();
 }
 
+// Flaky on official builds (?): https://crbug.com/693717
 IN_PROC_BROWSER_TEST_F(PasswordManagerBrowserTestBase,
-                       ShowFormNotSecureOnUsernameField) {
+                       DISABLED_ShowFormNotSecureOnUsernameField) {
   password_manager::ContentPasswordManagerDriverFactory* driver_factory =
       password_manager::ContentPasswordManagerDriverFactory::FromWebContents(
           WebContents());