Format all tests.

tests/html/shadow_dom_test.dart

 // Copyright (c) 2011, 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 ShadowDOMTest;
+
 import 'package:unittest/unittest.dart';
 import 'package:unittest/html_individual_config.dart';
 import 'dart:html';
 
 main() {
   useHtmlIndividualConfiguration();
 
   group('supported', () {
     test('supported', () {
       expect(ShadowRoot.supported, true);
     });
   });
 
   group('ShadowDOM_tests', () {
-
     var div1, div2, shadowRoot, paragraph1, paragraph2;
 
     init() {
       paragraph1 = new ParagraphElement();
       paragraph2 = new ParagraphElement();
-      [paragraph1, paragraph2].forEach((p) { p.classes.add('foo');});
+      [paragraph1, paragraph2].forEach((p) {
+        p.classes.add('foo');
+      });
       div1 = new DivElement();
       div2 = new DivElement();
       div1.classes.add('foo');
       shadowRoot = div2.createShadowRoot();
       shadowRoot.append(paragraph1);
       shadowRoot.append(new ContentElement());
       div2.append(paragraph2);
       document.body.append(div1);
       document.body.append(div2);
     }
 
     var expectation = ShadowRoot.supported ? returnsNormally : throws;
 
     test("Shadowed nodes aren't visible to queries from outside ShadowDOM", () {
       expect(() {
         init();
 
         expect(queryAll('.foo'), equals([div1, paragraph2]));
       }, expectation);
     });
 
     test('Parent node of a shadow root must be null.', () {
       expect(() {
         init();
 
         expect(shadowRoot.parent, isNull);
       }, expectation);
     });
 
-
     // TODO(samhop): test that <content> and <content select="foo"> and
     // <shadow>
     // work properly. This is blocked on having a good way to do browser
     // rendering tests.
 
     test('Querying in shadowed fragment respects the shadow boundary.', () {
       expect(() {
         init();
 
         expect(shadowRoot.queryAll('.foo'), equals([paragraph1]));
       }, expectation);
     });
 
     if (ShadowRoot.supported) {
       test('Shadowroot contents are distributed', () {
-
         var div = new DivElement();
 
-        var box1 = new DivElement()
-          ..classes.add('foo');
+        var box1 = new DivElement()..classes.add('foo');
         div.append(box1);
 
         var box2 = new DivElement();
         div.append(box2);
 
         var sRoot = div.createShadowRoot();
-        var content1 = new ContentElement()
-          ..select = ".foo";
+        var content1 = new ContentElement()..select = ".foo";
         sRoot.append(content1);
 
         var content2 = new ContentElement();
         sRoot.append(content2);
 
         expect(content1.getDistributedNodes(), [box1]);
         expect(content2.getDistributedNodes(), [box2]);
       });
     }
   });
 }