webui fixes for 0.8.9

lib/src/file_system/console.dart

Index: lib/src/file_system/console.dart
diff --git a/lib/src/file_system/console.dart b/lib/src/file_system/console.dart
index 84827a91d0e4bc93f2c463fb5562f034247ec26e..c8a9d616eb06a806e1c5b335d2192bf9cb5a0389 100644
--- a/lib/src/file_system/console.dart
+++ b/lib/src/file_system/console.dart
@@ -5,8 +5,8 @@
 library console;
 
 import 'dart:async';
+import 'dart:convert';
 import 'dart:io';
-import 'dart:utf';
 import 'package:web_ui/src/file_system.dart';
 
 /** File system implementation for console VM (i.e. no browser). */
@@ -42,6 +42,6 @@ class ConsoleFileSystem implements FileSystem {
 
   // TODO(jmesserly): do we support any encoding other than UTF-8 for Dart?
   Future<String> readText(String path) {
-    return readTextOrBytes(path).then(decodeUtf8);
+    return readTextOrBytes(path).then(UTF8.decode);
   }
 }