diff --git a/lib/web_ui/lib/platform_dispatcher.dart b/lib/web_ui/lib/platform_dispatcher.dart
index ebc42b43dffc0..043d4999a350e 100644
--- a/lib/web_ui/lib/platform_dispatcher.dart
+++ b/lib/web_ui/lib/platform_dispatcher.dart
@@ -549,4 +549,7 @@ class Locale {
 
 enum DartPerformanceMode {
   balanced,
+  latency,
+  throughput,
+  memory,
 }