Making Document, Element and Window documentable via @DocsEditable

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 d5bf1dd55122b1c04752b6dae111d3b48517ff79..12bf0004d447f9e4262c316f0e0d71a2ec2021bc 100644
--- a/sdk/lib/html/dart2js/html_dart2js.dart
+++ b/sdk/lib/html/dart2js/html_dart2js.dart
@@ -6950,6 +6950,7 @@ class DivElement extends HtmlElement native "HTMLDivElement" {
 // BSD-style license that can be found in the LICENSE file.
 
 
+@DocsEditable
 /**
  * The base class for all documents.
  *
@@ -8765,6 +8766,7 @@ class _FrozenElementList<T extends Element> extends ListBase<T> implements Eleme
 
 }
 
+@DocsEditable
 /**
  * An abstract class, which all HTML elements extend.
  */
@@ -24670,6 +24672,7 @@ class WheelEvent extends MouseEvent native "WheelEvent,MouseWheelEvent,MouseScro
 // BSD-style license that can be found in the LICENSE file.
 
 
+@DocsEditable
 @DomName('Window')
 class Window extends EventTarget implements WindowBase, WindowTimers, WindowBase64 native "Window,DOMWindow" {