OOBE Consolidated Consent: Add GuestTosScreen

Bug: 1241468
Change-Id: I79f2724c6de37ad96f70e0f16b8dc3fd4fed720c
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/3107149
Commit-Queue: Ossama Mahmoud <osamafathy@google.com>
Reviewed-by: Renato Silva <rrsilva@google.com>
Reviewed-by: Roman Sorokin [CET] <rsorokin@chromium.org>
Cr-Commit-Position: refs/heads/main@{#926890}

diff --git a/ash/login/login_screen_controller.cc b/ash/login/login_screen_controller.cc
index 70d7981..7f6801f1 100644
--- a/ash/login/login_screen_controller.cc
+++ b/ash/login/login_screen_controller.cc

@@ -222,6 +222,12 @@
   client_->LoginAsGuest();
 }
 
+void LoginScreenController::ShowGuestTosScreen() {
+  if (!client_)
+    return;
+  client_->ShowGuestTosScreen();
+}
+
 void LoginScreenController::OnMaxIncorrectPasswordAttempted(
     const AccountId& account_id) {
   if (!client_)