New version of dart:html

client/html/generated/src/wrapping/_FileEntryWrappingImplementation.dart

Index: client/html/generated/src/wrapping/_FileEntryWrappingImplementation.dart
diff --git a/client/html/generated/src/wrapping/_FileEntryWrappingImplementation.dart b/client/html/generated/src/wrapping/_FileEntryWrappingImplementation.dart
index db74ad4a2ab1aaaf3b27d480a07d5bfcaf310c95..52066891b53c389793af8644b7228403b9919866 100644
--- a/client/html/generated/src/wrapping/_FileEntryWrappingImplementation.dart
+++ b/client/html/generated/src/wrapping/_FileEntryWrappingImplementation.dart
@@ -7,22 +7,22 @@
 class FileEntryWrappingImplementation extends EntryWrappingImplementation implements FileEntry {
   FileEntryWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
 
-  void createWriter(FileWriterCallback successCallback, [ErrorCallback errorCallback = null]) {
+  void createWriter(FileWriterCallback successCallback, [ErrorCallback errorCallback]) {
     if (errorCallback === null) {
-      _ptr.createWriter(LevelDom.unwrap(successCallback));
+      _ptr.createWriter(successCallback);
       return;
     } else {
-      _ptr.createWriter(LevelDom.unwrap(successCallback), LevelDom.unwrap(errorCallback));
+      _ptr.createWriter(successCallback, LevelDom.unwrap(errorCallback));
       return;
     }
   }
 
-  void file(FileCallback successCallback, [ErrorCallback errorCallback = null]) {
+  void file(FileCallback successCallback, [ErrorCallback errorCallback]) {
     if (errorCallback === null) {
-      _ptr.file(LevelDom.unwrap(successCallback));
+      _ptr.file(successCallback);
       return;
     } else {
-      _ptr.file(LevelDom.unwrap(successCallback), LevelDom.unwrap(errorCallback));
+      _ptr.file(successCallback, LevelDom.unwrap(errorCallback));
       return;
     }
   }