Implement metadata on methods and fields.

pkg/front_end/lib/src/fasta/source/stack_listener.dart

Index: pkg/front_end/lib/src/fasta/source/stack_listener.dart
diff --git a/pkg/front_end/lib/src/fasta/source/stack_listener.dart b/pkg/front_end/lib/src/fasta/source/stack_listener.dart
index f41a13a1e377f35cce1323af590ef5d87ed1a774..0edab65078c7c059dc522b43f0ecf288837a76e8 100644
--- a/pkg/front_end/lib/src/fasta/source/stack_listener.dart
+++ b/pkg/front_end/lib/src/fasta/source/stack_listener.dart
@@ -62,8 +62,8 @@ abstract class StackListener extends Listener {
 
   // TODO(ahe): This doesn't belong here. Only implemented by body_builder.dart
   // and ast_builder.dart.
-  void finishFunction(
-      covariant formals, AsyncMarker asyncModifier, covariant body) {
+  void finishFunction(List annotations, covariant formals,
+      AsyncMarker asyncModifier, covariant body) {
     return internalError("Unsupported operation");
   }