Spoken text for [...] button on login screen

chrome/browser/ui/webui/chromeos/login/signin_screen_handler.cc

Index: chrome/browser/ui/webui/chromeos/login/signin_screen_handler.cc
diff --git a/chrome/browser/ui/webui/chromeos/login/signin_screen_handler.cc b/chrome/browser/ui/webui/chromeos/login/signin_screen_handler.cc
index 63a1caec9a2a9b4761b96c222eadcf2be60a3578..dd2b7015d23b54dfeec4e3254c2ffc82bee496fa 100644
--- a/chrome/browser/ui/webui/chromeos/login/signin_screen_handler.cc
+++ b/chrome/browser/ui/webui/chromeos/login/signin_screen_handler.cc
@@ -365,6 +365,7 @@ void SigninScreenHandler::DeclareLocalizedValues(
   builder->Add("shutDown", IDS_SHUTDOWN_BUTTON);
   builder->Add("addUser", IDS_ADD_USER_BUTTON);
   builder->Add("browseAsGuest", IDS_GO_INCOGNITO_BUTTON);
+  builder->Add("moreOptions", IDS_MORE_OPTIONS_BUTTON);
   builder->Add("addSupervisedUser", IDS_CREATE_SUPERVISED_USER_MENU_LABEL);
   builder->Add("cancel", IDS_CANCEL);
   builder->Add("signOutUser", IDS_SCREEN_LOCK_SIGN_OUT);