Add factory constructor for WebSocket Add generated dom & html directories to .gitignore

client/html/frog/html_frog.dart

Index: client/html/frog/html_frog.dart
diff --git a/client/html/frog/html_frog.dart b/client/html/frog/html_frog.dart
index 5eca8f8f762a9127c519082f77a9d11e2b30d33a..410121dac94a99512f0d67839a3bcf11686bb6d4 100644
--- a/client/html/frog/html_frog.dart
+++ b/client/html/frog/html_frog.dart
@@ -23995,7 +23995,7 @@ interface PerformanceTiming {
 
   final int unloadEventStart;
 }
-// Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
+// 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.
 
@@ -29280,7 +29280,9 @@ interface WebKitNamedFlow {
 
 // WARNING: Do not edit - generated code.
 
-interface WebSocket extends EventTarget {
+interface WebSocket extends EventTarget default _WebSocketFactoryProvider {
+
+  WebSocket(String url);
 
   WebSocketEvents get on();
 
@@ -31085,6 +31087,11 @@ class _PointFactoryProvider {
 
   factory Point(num x, num y) native 'return new WebKitPoint(x, y);';
 }
+
+class _WebSocketFactoryProvider {
+
+  factory WebSocket(String url) native '''return new WebSocket(url);''';
+}
 // 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.