Safely wrap window.top in frog dom.

client/dom/generated/src/wrapping/_DOMWindowWrappingImplementation.dart

 // Copyright (c) 2011, 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.
 
 // WARNING: Do not edit - generated code.
 
 class _DOMWindowWrappingImplementation extends DOMWrapperBase implements DOMWindow {
   _DOMWindowWrappingImplementation() : super() {}
 
   static create__DOMWindowWrappingImplementation() native {
@@ skipping 280 matching lines @@
     if (options === null) {
       return _open(this, url, name);
     } else {
       return _open_2(this, url, name, options);
     }
   }
   static DOMWindow _open(receiver, url, name) native;
   static DOMWindow _open_2(receiver, url, name, options) native;
 
   Database openDatabase(String name, String version, String displayName, int estimatedSize, [DatabaseCallback creationCallback = null]) {
-    if (creationCallback === null) {
-      return _openDatabase(this, name, version, displayName, estimatedSize);
-    } else {
-      return _openDatabase_2(this, name, version, displayName, estimatedSize, creationCallback);
-    }
+    return _openDatabase(this, name, version, displayName, estimatedSize, creationCallback);
   }
-  static Database _openDatabase(receiver, name, version, displayName, estimatedSize) native;
-  static Database _openDatabase_2(receiver, name, version, displayName, estimatedSize, creationCallback) native;
+  static Database _openDatabase(receiver, name, version, displayName, estimatedSize, creationCallback) native;
 
   void postMessage(Dynamic message, String targetOrigin, [List messagePorts = null]) {
     if (messagePorts === null) {
       _postMessage(this, message, targetOrigin);
       return;
     } else {
       _postMessage_2(this, message, targetOrigin, messagePorts);
       return;
     }
   }
@@ skipping 126 matching lines @@
   }
   static void _webkitPostMessage(receiver, message, targetOrigin) native;
   static void _webkitPostMessage_2(receiver, message, targetOrigin, transferList) native;
 
   int webkitRequestAnimationFrame(RequestAnimationFrameCallback callback, Element element) {
     return _webkitRequestAnimationFrame(this, callback, element);
   }
   static int _webkitRequestAnimationFrame(receiver, callback, element) native;
 
   void webkitRequestFileSystem(int type, int size, FileSystemCallback successCallback, [ErrorCallback errorCallback = null]) {
-    if (errorCallback === null) {
-      _webkitRequestFileSystem(this, type, size, successCallback);
-      return;
-    } else {
-      _webkitRequestFileSystem_2(this, type, size, successCallback, errorCallback);
-      return;
-    }
+    _webkitRequestFileSystem(this, type, size, successCallback, errorCallback);
+    return;
   }
-  static void _webkitRequestFileSystem(receiver, type, size, successCallback) native;
-  static void _webkitRequestFileSystem_2(receiver, type, size, successCallback, errorCallback) native;
+  static void _webkitRequestFileSystem(receiver, type, size, successCallback, errorCallback) native;
 
   void webkitResolveLocalFileSystemURL(String url, [EntryCallback successCallback = null, ErrorCallback errorCallback = null]) {
-    if (successCallback === null) {
-      if (errorCallback === null) {
-        _webkitResolveLocalFileSystemURL(this, url);
-        return;
-      }
-    } else {
-      if (errorCallback === null) {
-        _webkitResolveLocalFileSystemURL_2(this, url, successCallback);
-        return;
-      } else {
-        _webkitResolveLocalFileSystemURL_3(this, url, successCallback, errorCallback);
-        return;
-      }
-    }
-    throw "Incorrect number or type of arguments";
+    _webkitResolveLocalFileSystemURL(this, url, successCallback, errorCallback);
+    return;
   }
-  static void _webkitResolveLocalFileSystemURL(receiver, url) native;
-  static void _webkitResolveLocalFileSystemURL_2(receiver, url, successCallback) native;
-  static void _webkitResolveLocalFileSystemURL_3(receiver, url, successCallback, errorCallback) native;
+  static void _webkitResolveLocalFileSystemURL(receiver, url, successCallback, errorCallback) native;
 
   String get typeName() { return "DOMWindow"; }
 }