Handle typedefs in registerRequiredType.

sdk/lib/_internal/compiler/implementation/dart_backend/renamer.dart

Index: sdk/lib/_internal/compiler/implementation/dart_backend/renamer.dart
diff --git a/sdk/lib/_internal/compiler/implementation/dart_backend/renamer.dart b/sdk/lib/_internal/compiler/implementation/dart_backend/renamer.dart
index 2158855ca7f2119ef4627eaeb3b6e85edd0c2b28..74f4c20df75a3fa4ecc79ef3c34700862a61aee6 100644
--- a/sdk/lib/_internal/compiler/implementation/dart_backend/renamer.dart
+++ b/sdk/lib/_internal/compiler/implementation/dart_backend/renamer.dart
@@ -88,11 +88,10 @@ void renamePlaceholders(
     // TODO(smok): Do not rename type if it is in platform library or
     // js-helpers.
     StringBuffer result = new StringBuffer(renameElement(type.element));
-    if (type is InterfaceType) {
-      InterfaceType interfaceType = type;
-      if (!interfaceType.treatAsRaw) {
+    if (type is GenericType) {

[karlklose, 2013/12/20 07:43:20]

Merge the two if-s.

[Johnni Winther, 2013/12/20 10:14:37]

Done.

+      if (!type.treatAsRaw) {
         result.write('<');
-        Link<DartType> argumentsLink = interfaceType.typeArguments;
+        Link<DartType> argumentsLink = type.typeArguments;
         result.write(renameType(argumentsLink.head, renameElement));
         for (Link<DartType> link = argumentsLink.tail; !link.isEmpty;
              link = link.tail) {