dart2js: run dartfmt on tests

tests/compiler/dart2js/stats_test.dart

Index: tests/compiler/dart2js/stats_test.dart
diff --git a/tests/compiler/dart2js/stats_test.dart b/tests/compiler/dart2js/stats_test.dart
index 8aad173570b3d1c54b06c4926d5be10b8dbd5220..2f30919caae2717233c96ce1cdf89debf241c1d9 100644
--- a/tests/compiler/dart2js/stats_test.dart
+++ b/tests/compiler/dart2js/stats_test.dart
@@ -28,7 +28,8 @@ void testRecordElement() {
     stats.recordElement('foo', 'b');
     stats.recordElement('bar', 'a', data: 'third-a-data');
     stats.recordElement('bar', 'c');
-   }, r'''
+  },
+      r'''
 foo: 2
  value=a data=second-a-data
  b
@@ -45,7 +46,8 @@ void testRecordFrequency() {
     stats.recordFrequency('bar', 'b', 'first-b-data');
     stats.recordFrequency('foo', 'c');
     stats.recordFrequency('bar', 'b');
-  }, r'''
+  },
+      r'''
 foo:
  a: 2
   first-a-data
@@ -68,7 +70,8 @@ void testRecordCounter() {
     stats.recordCounter('bar', 'd');
     stats.recordCounter('baz');
     stats.recordCounter('baz');
-    }, r'''
+  },
+      r'''
 foo: 3
  count=2 example=a
  count=1 example=b