Implement metadata on classes and additional semantic checks.

pkg/analyzer/lib/src/fasta/analyzer_diet_listener.dart

Index: pkg/analyzer/lib/src/fasta/analyzer_diet_listener.dart
diff --git a/pkg/analyzer/lib/src/fasta/analyzer_diet_listener.dart b/pkg/analyzer/lib/src/fasta/analyzer_diet_listener.dart
index 6452042393db9cf11960e528674039e32f47f824..5b687caf60324920e40905e9f557466ae95d7a09 100644
--- a/pkg/analyzer/lib/src/fasta/analyzer_diet_listener.dart
+++ b/pkg/analyzer/lib/src/fasta/analyzer_diet_listener.dart
@@ -28,7 +28,7 @@ class AnalyzerDietListener extends DietListener {
       : super(library, null, null, null);
 
   StackListener createListener(
-      MemberBuilder builder, Scope memberScope, bool isInstanceMember,
+      ModifierBuilder builder, Scope memberScope, bool isInstanceMember,
       [Scope formalParameterScope]) {
     return new AstBuilder(
         null, library, builder, elementStore, memberScope, false, uri);