Revert "Various redemptions"

pkg/compiler/lib/src/js_emitter/type_test_registry.dart

Index: pkg/compiler/lib/src/js_emitter/type_test_registry.dart
diff --git a/pkg/compiler/lib/src/js_emitter/type_test_registry.dart b/pkg/compiler/lib/src/js_emitter/type_test_registry.dart
index 20ec76ae9113799719f16e3a243f3bbb3fe809fd..363164c0b613b67967de56d3d825c1cd30c90b62 100644
--- a/pkg/compiler/lib/src/js_emitter/type_test_registry.dart
+++ b/pkg/compiler/lib/src/js_emitter/type_test_registry.dart
@@ -6,7 +6,9 @@ library dart2js.js_emitter.type_test_registry;
 
 import '../common.dart';
 import '../common_elements.dart';
+import '../elements/elements.dart' show MethodElement;
 import '../elements/entities.dart';
+import '../elements/types.dart' show DartType;
 import '../elements/types.dart';
 import '../js_backend/runtime_types.dart'
     show
@@ -166,8 +168,9 @@ class TypeTestRegistry {
     liveMembers.where((MemberEntity element) {
       return canBeReflectedAsFunction(element) && canBeReified(element);
     }).forEach((_function) {
-      FunctionEntity function = _function;
-      FunctionType type = _elementEnvironment.getFunctionType(function);
+      // TODO(redemption): Support entities.
+      MethodElement function = _function;
+      FunctionType type = function.type;
       for (ClassEntity cls in _rtiChecks.getReferencedClasses(type)) {
         while (cls != null) {
           _rtiNeededClasses.add(cls);