Split TypedSelector into Selector and TypeMask.

pkg/compiler/lib/src/js_emitter/old_emitter/nsm_emitter.dart

Index: pkg/compiler/lib/src/js_emitter/old_emitter/nsm_emitter.dart
diff --git a/pkg/compiler/lib/src/js_emitter/old_emitter/nsm_emitter.dart b/pkg/compiler/lib/src/js_emitter/old_emitter/nsm_emitter.dart
index 94ac7ca8701fa8b1aaa84e1cfcc3f66ddb75452d..ca49a9eb57fd98d5b6645b82a458e1465bee919a 100644
--- a/pkg/compiler/lib/src/js_emitter/old_emitter/nsm_emitter.dart
+++ b/pkg/compiler/lib/src/js_emitter/old_emitter/nsm_emitter.dart
@@ -54,7 +54,8 @@ class NsmEmitter extends CodeEmitterHelper {
             generator.generateStubForNoSuchMethod(jsName, selector);
         addProperty(method.name, method.code);
         if (reflectionName != null) {
-          bool accessible = compiler.world.allFunctions.filter(selector).any(
+          bool accessible =
+              compiler.world.allFunctions.filter(selector, null).any(
               (Element e) => backend.isAccessibleByReflection(e));
           addProperty('+$reflectionName', js(accessible ? '2' : '0'));
         }