Update dart2js diagnostics to prepare for filtering.

sdk/lib/_internal/compiler/implementation/apiimpl.dart

Index: sdk/lib/_internal/compiler/implementation/apiimpl.dart
diff --git a/sdk/lib/_internal/compiler/implementation/apiimpl.dart b/sdk/lib/_internal/compiler/implementation/apiimpl.dart
index 0afeed47dbd422ee25041f9a8aed020b953c7476..6ad363a5072ce7b0172a7a926e6943a484492abd 100644
--- a/sdk/lib/_internal/compiler/implementation/apiimpl.dart
+++ b/sdk/lib/_internal/compiler/implementation/apiimpl.dart
@@ -14,6 +14,7 @@ import 'ssa/tracer.dart' as ssa;
 import '../../libraries.dart';
 import 'source_file.dart';
 
+
 class Compiler extends leg.Compiler {
   api.CompilerInputProvider provider;
   api.DiagnosticHandler handler;
@@ -284,8 +285,10 @@ class Compiler extends leg.Compiler {
     });
   }
 
-  void reportDiagnostic(leg.SourceSpan span, String message,
+  void reportDiagnostic(leg.Spannable node,
+                        leg.Diagnostic message,

[floitsch, 2014/02/19 14:57:40]

We really have to change one of the names...

                         api.Diagnostic kind) {
+    leg.SourceSpan span = spanFromSpannable(node);
     if (identical(kind, api.Diagnostic.ERROR)
         || identical(kind, api.Diagnostic.CRASH)) {
       compilationFailed = true;
@@ -293,10 +296,10 @@ class Compiler extends leg.Compiler {
     // [:span.uri:] might be [:null:] in case of a [Script] with no [uri]. For
     // instance in the [Types] constructor in typechecker.dart.
     if (span == null || span.uri == null) {
-      callUserHandler(null, null, null, message, kind);
+      callUserHandler(null, null, null, '$message', kind);
     } else {
       callUserHandler(
-          translateUri(span.uri, null), span.begin, span.end, message, kind);
+          translateUri(span.uri, null), span.begin, span.end, '$message', kind);
     }
   }