Add constructors to all the event classes.

client/html/generated/src/interface/DeviceOrientationEvent.dart

Index: client/html/generated/src/interface/DeviceOrientationEvent.dart
diff --git a/client/html/generated/src/interface/DeviceOrientationEvent.dart b/client/html/generated/src/interface/DeviceOrientationEvent.dart
deleted file mode 100644
index d66a9d5a19ef9f5192f4d68886d81443e220ad71..0000000000000000000000000000000000000000
--- a/client/html/generated/src/interface/DeviceOrientationEvent.dart
+++ /dev/null
@@ -1,16 +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.
-
-interface DeviceOrientationEvent extends Event {
-
-  num get alpha();
-
-  num get beta();
-
-  num get gamma();
-
-  void initDeviceOrientationEvent(String type, bool bubbles, bool cancelable, num alpha, num beta, num gamma);
-}