Rework static method support.

lib/dom/frog/dom_frog.dart

Index: lib/dom/frog/dom_frog.dart
diff --git a/lib/dom/frog/dom_frog.dart b/lib/dom/frog/dom_frog.dart
index 2162c64dc21247a2a8e16b6c63f551d2033674b6..a2a5cff0926f7cd7ae2ade49606f8bac11fb493e 100644
--- a/lib/dom/frog/dom_frog.dart
+++ b/lib/dom/frog/dom_frog.dart
@@ -1240,10 +1240,6 @@ class _DOMTokenListJs extends _DOMTypeJs implements DOMTokenList native "*DOMTok
 }
 
 class _DOMURLJs extends _DOMTypeJs implements DOMURL native "*DOMURL" {
-
-  String createObjectURL(blob_OR_stream) native;
-
-  void revokeObjectURL(String url) native;
 }
 // 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
@@ -13696,10 +13692,6 @@ interface DOMTokenList {
 interface DOMURL default _DOMURLFactoryProvider {
 
   DOMURL();
-
-  String createObjectURL(blob_OR_stream);
-
-  void revokeObjectURL(String 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