Add support for even more typed data on native ports

sdk/lib/io/file_impl.dart

Index: sdk/lib/io/file_impl.dart
diff --git a/sdk/lib/io/file_impl.dart b/sdk/lib/io/file_impl.dart
index 83952b17ee5a6e747c0fe877ca6cc8fa171cb272..d40840cb19b14682e299a9d4d067a760a4d7f2c3 100644
--- a/sdk/lib/io/file_impl.dart
+++ b/sdk/lib/io/file_impl.dart
@@ -813,7 +813,9 @@ class _RandomAccessFile extends _FileBase implements RandomAccessFile {
   Future<RandomAccessFile> writeList(List<int> buffer, int offset, int bytes) {
     _ensureFileService();
     Completer<RandomAccessFile> completer = new Completer<RandomAccessFile>();
-    if (buffer is !List || offset is !int || bytes is !int) {
+    if ((buffer is !List && buffer is !ByteData) ||

[Anders Johnsen, 2013/04/15 15:46:17]

DBC: I believe this is wrong. We should not support ByteData here, but only any
List<int> implementing view of a ByteData. A ByteData will also fail in checked
mode, as it's not a List<int>.

+        offset is !int ||
+        bytes is !int) {
       // Complete asynchronously so the user has a chance to setup
       // handlers without getting exceptions when registering the
       // then handler.