Format all tests.

tests/html/request_animation_frame_test.dart

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 library RequestAnimationFrameTest;
+
 import 'package:unittest/unittest.dart';
 import 'package:unittest/html_config.dart';
 import 'dart:html';
 
 main() {
   useHtmlConfiguration();
 
   test('oneShot', () {
-      var frame = window.requestAnimationFrame(
-          expectAsync((timestamp) { }));
-    });
+    var frame = window.requestAnimationFrame(expectAsync((timestamp) {}));
+  });
 
   test('twoShot', () {
-      var frame = window.requestAnimationFrame(
-          expectAsync((timestamp1) {
-            window.requestAnimationFrame(
-                expectAsync((timestamp2) {
-                    // Not monotonic on Safari and IE.
-                    // expect(timestamp2, greaterThan(timestamp1),
-                    //    reason: 'timestamps ordered');
-                  }));
-          }));
-    });
-
+    var frame = window.requestAnimationFrame(expectAsync((timestamp1) {
+      window.requestAnimationFrame(expectAsync((timestamp2) {
+        // Not monotonic on Safari and IE.
+        // expect(timestamp2, greaterThan(timestamp1),
+        //    reason: 'timestamps ordered');
+      }));
+    }));
+  });
 
   // How do we test that a callback is never called?  We can't wrap the uncalled
   // callback with 'expectAsync'.  Will request several frames and try
   // cancelling the one that is not the last.
   test('cancel1', () {
-      var frame1 = window.requestAnimationFrame(
-          (timestamp1) {
-            throw new Exception('Should have been cancelled');
-          });
-      var frame2 = window.requestAnimationFrame(
-          expectAsync((timestamp2) { }));
-      window.cancelAnimationFrame(frame1);
+    var frame1 = window.requestAnimationFrame((timestamp1) {
+      throw new Exception('Should have been cancelled');
     });
+    var frame2 = window.requestAnimationFrame(expectAsync((timestamp2) {}));
+    window.cancelAnimationFrame(frame1);
+  });
 
   test('cancel2', () {
-      var frame1 = window.requestAnimationFrame(
-          expectAsync((timestamp1) { }));
-      var frame2 = window.requestAnimationFrame(
-          (timestamp2) {
-            throw new Exception('Should have been cancelled');
-          });
-      var frame3 = window.requestAnimationFrame(
-          expectAsync((timestamp3) { }));
-      window.cancelAnimationFrame(frame2);
+    var frame1 = window.requestAnimationFrame(expectAsync((timestamp1) {}));
+    var frame2 = window.requestAnimationFrame((timestamp2) {
+      throw new Exception('Should have been cancelled');
     });
+    var frame3 = window.requestAnimationFrame(expectAsync((timestamp3) {}));
+    window.cancelAnimationFrame(frame2);
+  });
 }