Support forEachClassMember on closure classes

pkg/compiler/lib/src/universe/codegen_world_builder.dart

Index: pkg/compiler/lib/src/universe/codegen_world_builder.dart
diff --git a/pkg/compiler/lib/src/universe/codegen_world_builder.dart b/pkg/compiler/lib/src/universe/codegen_world_builder.dart
index 8ae4ac4f831e5ceafb41501e8e261a0e1f194f4f..8a22cbba4ac1679eefd2d2d7d1d832c7588ed7fc 100644
--- a/pkg/compiler/lib/src/universe/codegen_world_builder.dart
+++ b/pkg/compiler/lib/src/universe/codegen_world_builder.dart
@@ -349,6 +349,7 @@ abstract class CodegenWorldBuilderImpl implements CodegenWorldBuilder {
       case StaticUseKind.GENERAL:
       case StaticUseKind.DIRECT_USE:
       case StaticUseKind.CLOSURE:
+      case StaticUseKind.CALL_METHOD:
       case StaticUseKind.FIELD_GET:
       case StaticUseKind.CONSTRUCTOR_INVOKE:
       case StaticUseKind.CONST_CONSTRUCTOR_INVOKE:
@@ -379,6 +380,7 @@ abstract class CodegenWorldBuilderImpl implements CodegenWorldBuilder {
       case StaticUseKind.FIELD_GET:
       case StaticUseKind.FIELD_SET:
       case StaticUseKind.CLOSURE:
+      case StaticUseKind.CALL_METHOD:
         // TODO(johnniwinther): Avoid this. Currently [FIELD_GET] and
         // [FIELD_SET] contains [BoxFieldElement]s which we cannot enqueue.
         // Also [CLOSURE] contains [LocalFunctionElement] which we cannot