Remove function names on function expressions.

tests/compiler/dart2js_extra/closure_capture5_test.dart

Index: tests/compiler/dart2js_extra/closure_capture5_test.dart
diff --git a/tests/compiler/dart2js_extra/closure_capture5_test.dart b/tests/compiler/dart2js_extra/closure_capture5_test.dart
index 8689cdc2998975504fe912bf83718f6bc5ef3eca..37df6df2dc56f1a6ba4259fc839a1c036741cab2 100644
--- a/tests/compiler/dart2js_extra/closure_capture5_test.dart
+++ b/tests/compiler/dart2js_extra/closure_capture5_test.dart
@@ -7,7 +7,7 @@ import "package:expect/expect.dart";
 closure0() {
   var fs = [];
   for (var x = 1; x <= 3; x++) {
-    fs.add(fun() { return x; });
+    fs.add(() { return x; });
   }
   Expect.equals(3, fs.length);
   Expect.equals(1, fs[0]());
@@ -18,7 +18,7 @@ closure0() {
 closure1() {
   var fs = [];
   for (var x = 0; x < 6; x++) {
-    fs.add(fun() { return x; });
+    fs.add(() { return x; });
     x++;
   }
   Expect.equals(3, fs.length);
@@ -31,7 +31,7 @@ closure2() {
   var input = [1, 2, 3];
   var fs = [];
   for (var i = 0; i < input.length; i++) {
-    fs.add(fun() { return input[i]; });
+    fs.add(() { return input[i]; });
   }
   Expect.equals(3, fs.length);
   Expect.equals(1, fs[0]());
@@ -43,8 +43,8 @@ closure3() {
   var fs = [];
   for (var i = 0;
        i < 3;
-       (f() {
-         fs.add(g() => i);
+       (() {
+         fs.add(() => i);
          i++;
        })()) {
     i++;
@@ -57,8 +57,8 @@ closure3() {
 closure4() {
   var g;
   for (var i = 0;
-       (f() {
-         g = fun() => i;
+       (() {
+         g = () => i;
          return false;
        })();
        i++){