arc: Don't show default Arc apps for managed users with Arc-disabled.

chrome/browser/ui/app_list/arc/arc_app_list_prefs.cc

Index: chrome/browser/ui/app_list/arc/arc_app_list_prefs.cc
diff --git a/chrome/browser/ui/app_list/arc/arc_app_list_prefs.cc b/chrome/browser/ui/app_list/arc/arc_app_list_prefs.cc
index b86400a65d6f48420e2ca720407d9504d8bd7cda..e3368fe53fb5c9094cb78268097c82624b4904f2 100644
--- a/chrome/browser/ui/app_list/arc/arc_app_list_prefs.cc
+++ b/chrome/browser/ui/app_list/arc/arc_app_list_prefs.cc
@@ -591,19 +591,41 @@ void ArcAppListPrefs::RemoveAllApps() {
 }
 
 void ArcAppListPrefs::OnOptInEnabled(bool enabled) {
+  UpdateDefaultAppsHiddenState();
+
   if (enabled)
     NotifyRegisteredApps();
   else
     RemoveAllApps();
 }
 
+void ArcAppListPrefs::UpdateDefaultAppsHiddenState() {
+  const arc::ArcAuthService* auth_service = arc::ArcAuthService::Get();
+  const bool was_hidden = default_apps_.is_hidden();
+  default_apps_.set_hidden(!auth_service->IsArcEnabled() &&
+                           auth_service->IsArcManaged());
+  if (was_hidden && !default_apps_.is_hidden())
+    RegisterDefaultApps();
+}
+
 void ArcAppListPrefs::OnDefaultAppsReady() {
   // Apply uninstalled packages now.
+
   const std::vector<std::string> uninstalled_package_names =
       GetPackagesFromPrefs(false);
   for (const auto& uninstalled_package_name : uninstalled_package_names)
     default_apps_.MaybeMarkPackageUninstalled(uninstalled_package_name, true);
 
+  UpdateDefaultAppsHiddenState();
+
+  default_apps_ready_ = true;
+  if (!default_apps_ready_callback_.is_null())
+    default_apps_ready_callback_.Run();
+
+  StartPrefs();
+}
+
+void ArcAppListPrefs::RegisterDefaultApps() {
   // Report default apps first, note, app_map includes uninstalled apps as well.
   for (const auto& default_app : default_apps_.app_map()) {
     const std::string& app_id = default_app.first;
@@ -622,12 +644,6 @@ void ArcAppListPrefs::OnDefaultAppsReady() {
                       true /* launchable */,
                       arc::mojom::OrientationLock::NONE);
   }
-
-  default_apps_ready_ = true;
-  if (!default_apps_ready_callback_.is_null())
-    default_apps_ready_callback_.Run();
-
-  StartPrefs();
 }
 
 void ArcAppListPrefs::SetDefaltAppsReadyCallback(base::Closure callback) {