Implement WebKit IDL 'module' feature [Supplemental=Foo]

client/dom/generated/src/wrapping/_DOMWindowWrappingImplementation.dart

Index: client/dom/generated/src/wrapping/_DOMWindowWrappingImplementation.dart
diff --git a/client/dom/generated/src/wrapping/_DOMWindowWrappingImplementation.dart b/client/dom/generated/src/wrapping/_DOMWindowWrappingImplementation.dart
index a32d06dd7fcf3797f84376dd48e779af0ebf6e16..6a094c69adb1d2509dc7e58219a108a31a3ffe2b 100644
--- a/client/dom/generated/src/wrapping/_DOMWindowWrappingImplementation.dart
+++ b/client/dom/generated/src/wrapping/_DOMWindowWrappingImplementation.dart
@@ -393,6 +393,16 @@ class _DOMWindowWrappingImplementation extends DOMWrapperBase implements DOMWind
   static DOMWindow _open(receiver, url, name) native;
   static DOMWindow _open_2(receiver, url, name, options) native;
 
+  Database openDatabase(String name, String version, String displayName, int estimatedSize, [DatabaseCallback creationCallback = null]) {
+    if (creationCallback === null) {
+      return _openDatabase(this, name, version, displayName, estimatedSize);
+    } else {
+      return _openDatabase_2(this, name, version, displayName, estimatedSize, creationCallback);
+    }
+  }
+  static Database _openDatabase(receiver, name, version, displayName, estimatedSize) native;
+  static Database _openDatabase_2(receiver, name, version, displayName, estimatedSize, creationCallback) native;
+
   void postMessage(String message, String targetOrigin, [List messagePorts = null]) {
     if (messagePorts === null) {
       _postMessage(this, message, targetOrigin);