Re-enable checking of native resolvers.

runtime/vm/class_finalizer.cc

 // Copyright (c) 2012, 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 "vm/class_finalizer.h"
 
 #include "vm/flags.h"
 #include "vm/heap.h"
 #include "vm/isolate.h"
 #include "vm/longjump.h"
@@ skipping 1062 matching lines @@
   }
   // Mark as finalized before resolving type parameter upper bounds and member
   // types in order to break cycles.
   cls.Finalize();
   ResolveAndFinalizeUpperBounds(cls);
   ResolveAndFinalizeMemberTypes(cls);
   // Run additional checks after all types are finalized.
   if (cls.is_const()) {
     CheckForLegalConstClass(cls);
   }
-  // Check to ensure we don't have classes with native fields in libraries
-  // which do not have a native resolver.
-  // TODO(regis): Re-enable native resolver checking after Dartium is fixed.
-  if (false && cls.num_native_fields() != 0) {
-    const Library& lib = Library::Handle(cls.library());
-    if (lib.native_entry_resolver() == NULL) {
-      const String& cls_name = String::Handle(cls.Name());
-      const String& lib_name = String::Handle(lib.url());
-      const Script& script = Script::Handle(cls.script());
-      ReportError(script, cls.token_pos(),
-                  "class '%s' is trying to extend a native fields class, "
-                  "but library '%s' has no native resolvers",
-                  cls_name.ToCString(), lib_name.ToCString());
-    }
-  }
   // Add this class to the direct subclasses of the superclass, unless the
   // superclass is Object.
   if (!super_type.IsNull() && !super_type.IsObjectType()) {
     ASSERT(!super_class.IsNull());
     super_class.AddDirectSubclass(cls);
   }
 }
 
 
 bool ClassFinalizer::IsSuperCycleFree(const Class& cls) {
@@ skipping 297 matching lines @@
 void ClassFinalizer::ReportError(const char* format, ...) {
   va_list args;
   va_start(args, format);
   const Error& error = Error::Handle(
       Parser::FormatError(Script::Handle(), -1, "Error", format, args));
   va_end(args);
   ReportError(error);
 }
 
 }  // namespace dart