Add dummy dart:html library for documentation.

lib/html/doc/interface/IDBObjectStore.dart

Index: lib/html/doc/interface/IDBObjectStore.dart
diff --git a/lib/html/doc/interface/IDBObjectStore.dart b/lib/html/doc/interface/IDBObjectStore.dart
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index 0000000000000000000000000000000000000000..593f27c93599af8647bd66d2bd0743600f7b0ea8
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+++ b/lib/html/doc/interface/IDBObjectStore.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.
+
+// WARNING: Do not edit - generated code.
+
+/// @domName IDBObjectStore
+interface IDBObjectStore {
+
+  /** @domName IDBObjectStore.autoIncrement */
+  final bool autoIncrement;
+
+  /** @domName IDBObjectStore.indexNames */
+  final List<String> indexNames;
+
+  /** @domName IDBObjectStore.keyPath */
+  final Dynamic keyPath;
+
+  /** @domName IDBObjectStore.name */
+  final String name;
+
+  /** @domName IDBObjectStore.transaction */
+  final IDBTransaction transaction;
+
+  /** @domName IDBObjectStore.add */
+  IDBRequest add(/*SerializedScriptValue*/ value, [/*IDBKey*/ key]);
+
+  /** @domName IDBObjectStore.clear */
+  IDBRequest clear();
+
+  /** @domName IDBObjectStore.count */
+  IDBRequest count([key_OR_range]);
+
+  /** @domName IDBObjectStore.createIndex */
+  IDBIndex createIndex(String name, String keyPath, [Map options]);
+
+  /** @domName IDBObjectStore.delete */
+  IDBRequest delete(key_OR_keyRange);
+
+  /** @domName IDBObjectStore.deleteIndex */
+  void deleteIndex(String name);
+
+  /** @domName IDBObjectStore.getObject */
+  IDBRequest getObject(key);
+
+  /** @domName IDBObjectStore.index */
+  IDBIndex index(String name);
+
+  /** @domName IDBObjectStore.openCursor */
+  IDBRequest openCursor([key_OR_range, direction]);
+
+  /** @domName IDBObjectStore.put */
+  IDBRequest put(/*SerializedScriptValue*/ value, [/*IDBKey*/ key]);
+}