Add all dart:html tests from the sdk to test/codegen.

test/codegen/lib/html/element_types_test.dart

Index: test/codegen/lib/html/element_types_test.dart
diff --git a/test/codegen/lib/html/element_types_test.dart b/test/codegen/lib/html/element_types_test.dart
new file mode 100644
index 0000000000000000000000000000000000000000..ab06012d0a513ee23fa2a07a7df321653bb5bb6e
--- /dev/null
+++ b/test/codegen/lib/html/element_types_test.dart
@@ -0,0 +1,84 @@
+// 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 element_types;
+import 'package:unittest/unittest.dart';
+import 'package:unittest/html_individual_config.dart';
+import 'dart:html';
+
+main() {
+  useHtmlIndividualConfiguration();
+
+  group('supported_content', () {
+    test('supported', () {
+      expect(ContentElement.supported, true);
+    });
+  });
+
+  group('supported_datalist', () {
+    test('supported', () {
+      expect(DataListElement.supported, true);
+    });
+  });
+
+  group('supported_details', () {
+    test('supported', () {
+      expect(DetailsElement.supported, true);
+    });
+  });
+
+  group('supported_embed', () {
+    test('supported', () {
+      expect(EmbedElement.supported, true);
+    });
+  });
+
+  group('supported_keygen', () {
+    test('supported', () {
+      expect(KeygenElement.supported, true);
+    });
+  });
+
+  group('supported_meter', () {
+    test('supported', () {
+      expect(MeterElement.supported, true);
+    });
+  });
+
+  group('supported_object', () {
+    test('supported', () {
+      expect(ObjectElement.supported, true);
+    });
+  });
+
+  group('supported_output', () {
+    test('supported', () {
+      expect(OutputElement.supported, true);
+    });
+  });
+
+  group('supported_progress', () {
+    test('supported', () {
+      expect(ProgressElement.supported, true);
+    });
+  });
+
+  group('supported_shadow', () {
+    test('supported', () {
+      expect(ShadowElement.supported, true);
+    });
+  });
+
+  group('supported_template', () {
+    test('supported', () {
+      expect(TemplateElement.supported, true);
+    });
+  });
+
+  group('supported_track', () {
+    test('supported', () {
+      expect(TrackElement.supported, true);
+    });
+  });
+}