Use FastaMessage instead of String. Part 1.

pkg/compiler/lib/src/parser/element_listener.dart

Index: pkg/compiler/lib/src/parser/element_listener.dart
diff --git a/pkg/compiler/lib/src/parser/element_listener.dart b/pkg/compiler/lib/src/parser/element_listener.dart
index 7e23b1e5f9b381fe2024e02a554c95a9a1df10f1..f0da82a3931c234a986bbcc685e8e6c429034840 100644
--- a/pkg/compiler/lib/src/parser/element_listener.dart
+++ b/pkg/compiler/lib/src/parser/element_listener.dart
@@ -928,7 +928,7 @@ class ElementListener extends Listener {
     // Some parse errors are infeasible to recover from, so we throw an error.
     SourceSpan span = reporter.spanFromSpannable(spannable);
     throw new ParserError(span.begin, span.end,
-        codes.codeUnspecified.format(uri, span.begin, message));
+        codes.codeUnspecified.bind(message)(uri, span.begin));
   }
 
   void reportError(Spannable spannable, MessageKind errorCode,