Rename File.readAsText to File.readAsString. There is no Text type in Dart

pkg/intl/lib/src/file_data_reader.dart

Index: pkg/intl/lib/src/file_data_reader.dart
diff --git a/pkg/intl/lib/src/file_data_reader.dart b/pkg/intl/lib/src/file_data_reader.dart
index e5d3e51d2e14654fc574dc2137294e9815a9174e..4448081eb552ea96e7ac23184ef195eb59924a28 100644
--- a/pkg/intl/lib/src/file_data_reader.dart
+++ b/pkg/intl/lib/src/file_data_reader.dart
@@ -22,6 +22,6 @@ class FileDataReader implements LocaleDataReader {
   /// Read the locale data found for [locale] on our [path].
   Future read(String locale) {
     var file = new File('$path$locale.json');
-    return file.readAsText();
+    return file.readAsString();
   }
 }