Very simple version of Isolates.

runtime/vm/dart_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_api.h"
 #include "include/dart_mirrors_api.h"
 #include "include/dart_native_api.h"
 
 #include "platform/assert.h"
 #include "vm/bigint_operations.h"
@@ skipping 1051 matching lines @@
 
 
 DART_EXPORT Dart_Handle Dart_GetReceivePort(Dart_Port port_id) {
   Isolate* isolate = Isolate::Current();
   DARTSCOPE(isolate);
   CHECK_CALLBACK_STATE(isolate);
 
   Library& isolate_lib = Library::Handle(isolate, Library::IsolateLibrary());
   ASSERT(!isolate_lib.IsNull());
   const String& class_name = String::Handle(
-      isolate, isolate_lib.PrivateName(Symbols::_ReceivePortImpl()));
+      isolate, isolate_lib.PrivateName(Symbols::_RawReceivePortImpl()));
   // TODO(asiva): Symbols should contain private keys.
   const String& function_name =
       String::Handle(isolate_lib.PrivateName(Symbols::_get_or_create()));
   const int kNumArguments = 1;
   const Function& function = Function::Handle(
       isolate,
       Resolver::ResolveStatic(isolate_lib,
                               class_name,
                               function_name,
                               kNumArguments,
@@ skipping 3322 matching lines @@
   }
   {
     NoGCScope no_gc;
     RawObject* raw_obj = obj.raw();
     isolate->heap()->SetPeer(raw_obj, peer);
   }
   return Api::Success();
 }
 
 }  // namespace dart