Generate callbacks as typedefs.

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

Index: client/dom/generated/src/wrapping/_SQLStatementErrorCallbackWrappingImplementation.dart
diff --git a/client/dom/generated/src/wrapping/_SQLStatementErrorCallbackWrappingImplementation.dart b/client/dom/generated/src/wrapping/_SQLStatementErrorCallbackWrappingImplementation.dart
deleted file mode 100644
index 95d12a5778aef0053c0bfb5d0a897a8d48b29357..0000000000000000000000000000000000000000
--- a/client/dom/generated/src/wrapping/_SQLStatementErrorCallbackWrappingImplementation.dart
+++ /dev/null
@@ -1,20 +0,0 @@
-// 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.
-
-// WARNING: Do not edit - generated code.
-
-class _SQLStatementErrorCallbackWrappingImplementation extends DOMWrapperBase implements SQLStatementErrorCallback {
-  _SQLStatementErrorCallbackWrappingImplementation() : super() {}
-
-  static create__SQLStatementErrorCallbackWrappingImplementation() native {
-    return new _SQLStatementErrorCallbackWrappingImplementation();
-  }
-
-  bool handleEvent(SQLTransaction transaction, SQLError error) {
-    return _handleEvent(this, transaction, error);
-  }
-  static bool _handleEvent(receiver, transaction, error) native;
-
-  String get typeName() { return "SQLStatementErrorCallback"; }
-}