Don't put private members in dart:html interfaces.

client/html/generated/html/interface/Window.dart

Index: client/html/generated/html/interface/Window.dart
diff --git a/client/html/generated/html/interface/Window.dart b/client/html/generated/html/interface/Window.dart
index 1d5804c2e3cc7b8aeafa4c3bbeedcdd57b89d2d1..4d356b788ea68429a2f8643bf36a92d1a7368d5a 100644
--- a/client/html/generated/html/interface/Window.dart
+++ b/client/html/generated/html/interface/Window.dart
@@ -120,8 +120,6 @@ interface Window extends EventTarget {
 
   final Window window;
 
-  void _addEventListener(String type, EventListener listener, [bool useCapture]);
-
   void alert(String message);
 
   String atob(String string);
@@ -140,14 +138,10 @@ interface Window extends EventTarget {
 
   bool confirm(String message);
 
-  bool _dispatchEvent(Event evt);
-
   bool find(String string, bool caseSensitive, bool backwards, bool wrap, bool wholeWord, bool searchInFrames, bool showDialog);
 
   void focus();
 
-  CSSStyleDeclaration _getComputedStyle(Element element, String pseudoElement);
-
   CSSRuleList getMatchedCSSRules(Element element, String pseudoElement);
 
   DOMSelection getSelection();
@@ -170,8 +164,6 @@ interface Window extends EventTarget {
 
   void releaseEvents();
 
-  void _removeEventListener(String type, EventListener listener, [bool useCapture]);
-
   void resizeBy(num x, num y);
 
   void resizeTo(num width, num height);