Remove signature classes from the VM.

runtime/vm/mirrors_api_impl.cc

 // Copyright (c) 2013, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #include "include/dart_mirrors_api.h"
 
 #include "platform/assert.h"
 #include "vm/class_finalizer.h"
 #include "vm/dart.h"
 #include "vm/dart_api_impl.h"
@@ skipping 316 matching lines @@
     RETURN_TYPE_ERROR(Z, library, Library);
   }
 
   const GrowableObjectArray& names =
       GrowableObjectArray::Handle(Z, GrowableObjectArray::New());
   ClassDictionaryIterator it(lib);
   Class& cls = Class::Handle(Z);
   String& name = String::Handle(Z);
   while (it.HasNext()) {
     cls = it.GetNextClass();
-    if (cls.IsSignatureClass()) {
-      if (!cls.IsCanonicalSignatureClass()) {
-        // This is a typedef.  Add it to the list of class names.
-        name = cls.UserVisibleName();
-        names.Add(name);
-      } else {
-        // Skip canonical signature classes.  These are not named.
-      }
-    } else {
-      name = cls.UserVisibleName();
-      names.Add(name);
-    }
+    name = cls.UserVisibleName();
+    names.Add(name);
   }
   return Api::NewHandle(T, Array::MakeArray(names));
 }
 
 
 // --- Closures Reflection ---
 
 DART_EXPORT Dart_Handle Dart_ClosureFunction(Dart_Handle closure) {
   DARTSCOPE(Thread::Current());
   const Instance& closure_obj = Api::UnwrapInstanceHandle(Z, closure);
   if (closure_obj.IsNull() || !closure_obj.IsClosure()) {
     RETURN_TYPE_ERROR(Z, closure, Instance);
   }
 
   ASSERT(ClassFinalizer::AllClassesFinalized());
 
-  RawFunction* rf = Closure::function(closure_obj);
+  RawFunction* rf = Closure::Cast(closure_obj).function();
   return Api::NewHandle(T, rf);
 }
 
 }  // namespace dart