Resolve typedefs.

lib/compiler/implementation/warnings.dart

Index: lib/compiler/implementation/warnings.dart
diff --git a/lib/compiler/implementation/warnings.dart b/lib/compiler/implementation/warnings.dart
index b4b1cec2097d16b15eb58ec458e817ffe7976c54..383dc54f991822b25fb04dae06f7ec353c679204 100644
--- a/lib/compiler/implementation/warnings.dart
+++ b/lib/compiler/implementation/warnings.dart
@@ -22,6 +22,8 @@ class MessageKind {
       'missing argument of type #{1}');
   static final ADDITIONAL_ARGUMENT = const MessageKind(
       'additional argument');
+  static final PROPERTY_NOT_FOUND = const MessageKind(
+      'no property named #{2} in class #{1}');
   static final METHOD_NOT_FOUND = const MessageKind(
       'no method named #{2} in class #{1}');
   static final MEMBER_NOT_STATIC = const MessageKind(
@@ -122,6 +124,8 @@ class MessageKind {
       'target of continue is not a loop or switch case');
   static final TYPE_VARIABLE_AS_CONSTRUCTOR = const MessageKind(
       'cannot use type variable as constructor');
+  static final DUPLICATE_TYPE_VARIABLE_NAME = const MessageKind(
+      'type variable #{1} already declared');
   static final INVALID_BREAK = const MessageKind(
       'target of break is not a statement');
   static final INVALID_USE_OF_SUPER = const MessageKind(
@@ -152,6 +156,8 @@ class MessageKind {
 
   static final CANNOT_INSTANTIATE_TYPEDEF = const MessageKind(
       "cannot instantiate typedef '#{1}'");
+  static final CYCLIC_TYPEDEF = const MessageKind(
+      "the typedef #{1} may not refer to itself");
 
   static final NO_DEFAULT_CLASS = const MessageKind(
       "no default class on enclosing interface '#{1}'");