Dart2js enum parsing.

sdk/lib/_internal/compiler/implementation/scanner/listener.dart

Index: sdk/lib/_internal/compiler/implementation/scanner/listener.dart
diff --git a/sdk/lib/_internal/compiler/implementation/scanner/listener.dart b/sdk/lib/_internal/compiler/implementation/scanner/listener.dart
index 81bc2bf51ada7917ef32816bc2da13024c9167c5..368cb7ebaf96d93215f192e7c2952bd34d157918 100644
--- a/sdk/lib/_internal/compiler/implementation/scanner/listener.dart
+++ b/sdk/lib/_internal/compiler/implementation/scanner/listener.dart
@@ -69,6 +69,12 @@ class Listener {
                            Token endToken) {
   }
 
+  void beginEnum(Token enumKeyword) {
+  }
+
+  void endEnum(Token enumKeyword, Token endBrace, int count) {
+  }
+
   void beginExport(Token token) {
   }
 
@@ -824,6 +830,12 @@ class ElementListener extends Listener {
                              isDeferred: isDeferred));
   }
 
+  void endEnum(Token enumKeyword, Token endBrace, int count) {
+    NodeList names = makeNodeList(count, enumKeyword.next.next, endBrace, ",");
+    Identifier name = popNode();
+    pushNode(new Enum(enumKeyword, name, names));
+  }
+
   void endExport(Token exportKeyword, Token semicolon) {
     NodeList combinators = popNode();
     StringNode uri = popNode();