Remove reference to ObjectNotClosureException in dart2js.

tests/language/naming_test.dart

Index: tests/language/naming_test.dart
diff --git a/tests/language/naming_test.dart b/tests/language/naming_test.dart
index 053389927355f821f5cd01937348eb82d237290c..6198f1d6b078e46289f967dfcc5f893a90aaf931 100644
--- a/tests/language/naming_test.dart
+++ b/tests/language/naming_test.dart
@@ -501,9 +501,7 @@ class Naming2Test {
         () => a.foo(2),
         // We check for both exceptions because the exact exception to
         // throw is hard to compute on some browsers.
-        // Also, ObjectNotClosureException should probably implement
-        // NoSuchMethodError.
-        (e) => e is ObjectNotClosureException || e is NoSuchMethodError);
+        (e) => e is NoSuchMethodError);
   }
 }