First cut of mini dart:html.

tool/input_sdk/lib/html/html_common/html_common_ddc.dart

Index: tool/input_sdk/lib/html/html_common/html_common_ddc.dart
diff --git a/tool/input_sdk/lib/html/html_common/html_common_ddc.dart b/tool/input_sdk/lib/html/html_common/html_common_ddc.dart
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+// 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 html_common;
+
+import 'dart:async';
+import 'dart:collection';
+import 'dart:html';
+import 'dart:_internal' show WhereIterable;
+import 'dart:typed_data';
+import 'dart:_native_typed_data';
+import 'dart:_js_helper' show Creates, Returns, convertDartClosureToJS;
+import 'dart:_foreign_helper' show JS;
+import 'dart:_interceptors' show Interceptor, JSExtendableArray;
+
+import 'dart:_metadata';
+export 'dart:_metadata';
+
+part 'css_class_set.dart';
+part 'conversions.dart';
+part 'conversions_dart2js.dart';
+part 'device.dart';
+part 'filtered_element_list.dart';
+part 'lists.dart';
+