Do not show irrelevant registration promos to supervised and guest users

chrome/browser/ui/webui/local_discovery/local_discovery_ui_handler.cc

Index: chrome/browser/ui/webui/local_discovery/local_discovery_ui_handler.cc
diff --git a/chrome/browser/ui/webui/local_discovery/local_discovery_ui_handler.cc b/chrome/browser/ui/webui/local_discovery/local_discovery_ui_handler.cc
index 9fed8fc7ef4f25e103125d2e8274337839867a64..69abbabe5dd9bfe87b32883eebbe32a5be887435 100644
--- a/chrome/browser/ui/webui/local_discovery/local_discovery_ui_handler.cc
+++ b/chrome/browser/ui/webui/local_discovery/local_discovery_ui_handler.cc
@@ -562,8 +562,9 @@ void LocalDiscoveryUIHandler::PrivetClientToV3(
 
 void LocalDiscoveryUIHandler::CheckUserLoggedIn() {
   base::FundamentalValue logged_in_value(!GetSyncAccount().empty());
-  web_ui()->CallJavascriptFunction("local_discovery.setUserLoggedIn",
-                                   logged_in_value);
+  base::FundamentalValue is_supervised_value(IsUserSupervisedOrOffTheRecord());
+  web_ui()->CallJavascriptFunction(
+      "local_discovery.setUserLoggedIn", logged_in_value, is_supervised_value);
 }
 
 void LocalDiscoveryUIHandler::CheckListingDone() {
@@ -634,6 +635,12 @@ void LocalDiscoveryUIHandler::CreatePrivetV3Client(
   privet_resolution_->Start();
 }
 
+bool LocalDiscoveryUIHandler::IsUserSupervisedOrOffTheRecord() {
+  Profile* profile = Profile::FromWebUI(web_ui());
+
+  return profile->IsSupervised() || profile->IsOffTheRecord();
+}
+
 #if defined(CLOUD_PRINT_CONNECTOR_UI_AVAILABLE)
 void LocalDiscoveryUIHandler::StartCloudPrintConnector() {
   Profile* profile = Profile::FromWebUI(web_ui());