Remove function names on function expressions.

tests/compiler/dart2js_extra/closure2_test.dart

Index: tests/compiler/dart2js_extra/closure2_test.dart
diff --git a/tests/compiler/dart2js_extra/closure2_test.dart b/tests/compiler/dart2js_extra/closure2_test.dart
index 942f324211d0592a525b1a999c9817ab53bc8f17..fd8e726603e94a61580331537e4028c253889e54 100644
--- a/tests/compiler/dart2js_extra/closure2_test.dart
+++ b/tests/compiler/dart2js_extra/closure2_test.dart
@@ -8,7 +8,7 @@ closure0() {
   // A closure will be implemented as a class. Make sure everything is set up
   // correctly when no other class is generated. In particular we need
   // the Dart-Object class to be generated.
-  var f = fun() => 42;
+  var f = () => 42;
   Expect.equals(42, f());
 }