Removing HTML elements by making them private.

sdk/lib/html/dart2js/html_dart2js.dart

Index: sdk/lib/html/dart2js/html_dart2js.dart
diff --git a/sdk/lib/html/dart2js/html_dart2js.dart b/sdk/lib/html/dart2js/html_dart2js.dart
index 2323f1e7e1f974709820a5bc3e7ce3f29c15400c..a00e9c7c37e2b6ffb606cfa279eb50b66c6c9eb5 100644
--- a/sdk/lib/html/dart2js/html_dart2js.dart
+++ b/sdk/lib/html/dart2js/html_dart2js.dart
@@ -5527,17 +5527,6 @@ class DeviceOrientationEvent extends Event native "*DeviceOrientationEvent" {
 // BSD-style license that can be found in the LICENSE file.
 
 
-/// @domName HTMLDirectoryElement; @docsEditable true
-class DirectoryElement extends Element native "*HTMLDirectoryElement" {
-
-  /// @domName HTMLDirectoryElement.compact; @docsEditable true
-  bool compact;
-}
-// 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.
-
-
 /// @domName DirectoryEntry; @docsEditable true
 class DirectoryEntry extends Entry native "*DirectoryEntry" {
 
@@ -23623,6 +23612,14 @@ class _CssValueList extends CssValue implements List<CssValue>, JavaScriptIndexi
 // BSD-style license that can be found in the LICENSE file.
 
 
+/// @domName HTMLDirectoryElement; @docsEditable true
+class _DirectoryElement extends Element native "*HTMLDirectoryElement" {
+}
+// 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.
+
+
 /// @domName EntryArray; @docsEditable true
 class _EntryArray implements JavaScriptIndexingBehavior, List<Entry> native "*EntryArray" {