Revert "Fixing SelectElement.selectedOptions to work across all platforms."

lib/html/dartium/html_dartium.dart

Index: lib/html/dartium/html_dartium.dart
diff --git a/lib/html/dartium/html_dartium.dart b/lib/html/dartium/html_dartium.dart
index e0673010da7fadf0185b6870cbdaa58bd562031b..129715eae1eee1981852ec036d4d449860367493 100644
--- a/lib/html/dartium/html_dartium.dart
+++ b/lib/html/dartium/html_dartium.dart
@@ -33836,6 +33836,8 @@ abstract class SelectElement implements Element {
 // 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 _HTMLSelectElementImpl extends _HTMLElementImpl implements SelectElement {
 
   bool get autofocus native "HTMLSelectElement_autofocus_Getter";
@@ -33898,10 +33900,6 @@ class _HTMLSelectElementImpl extends _HTMLElementImpl implements SelectElement {
 
   void setCustomValidity(String error) native "HTMLSelectElement_setCustomValidity_Callback";
 
-
-  List<OptionElement> get selectedOptions() {
-    return this.options.filter((o) => o.selected);
-  }
 }
 // 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