Added WebSocket support for dartc and frog

client/dom/src/_FactoryProviders.dart

Index: client/dom/src/_FactoryProviders.dart
diff --git a/client/dom/src/_FactoryProviders.dart b/client/dom/src/_FactoryProviders.dart
index ccf83401be0019abc7797af0ef48e1692e103c42..b2d40c1c7981d85ddcae2caaaa3af2f423c12db2 100644
--- a/client/dom/src/_FactoryProviders.dart
+++ b/client/dom/src/_FactoryProviders.dart
@@ -81,6 +81,13 @@ class _WebKitPointFactoryProvider {
   static WebKitPoint create(x, y) native;
 }
 
+class _WebSocketFactoryProvider {
+
+  factory WebSocket(String url) { return create(url); }
+
+  static WebKitPoint create(url) native;
+}
+
 class _XMLHttpRequestFactoryProvider {
 
   factory XMLHttpRequest() { return create(); }