Regen html_frog

lib/html/frog/html_frog.dart

Index: lib/html/frog/html_frog.dart
diff --git a/lib/html/frog/html_frog.dart b/lib/html/frog/html_frog.dart
index a4014cdc68f91723d8399a12b2fac3614084ea87..d7e2f1e1839a2ec97a990c869f682428af8bfb37 100644
--- a/lib/html/frog/html_frog.dart
+++ b/lib/html/frog/html_frog.dart
@@ -36883,12 +36883,11 @@ class _DOMWindowCrossFrameImpl implements Window {
   // Fields.
   // TODO(vsm): Implement history and location getters.
 
+  // TODO(vsm): Add frames to navigate subframes.  See 2312.
+
   bool get closed() => _closed(_window);
   static bool _closed(win) native "return win.closed;";
 
-  bool get length() => _length(_window);
-  static bool _length(win) native "return win.length;";
-
   Window get opener() => _createSafe(_opener(_window));
   static Window _opener(win) native "return win.opener;";