Revert my last change. Odd test failures that I will investigate tomorrow.

runtime/vm/native_message_handler.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/native_message_handler.h"
 
 #include "vm/dart_api_message.h"
 #include "vm/isolate.h"
 #include "vm/message.h"
 #include "vm/snapshot.h"
@@ skipping 31 matching lines @@
 
 
 static void RunWorker(uword parameter) {
   NativeMessageHandler* handler =
       reinterpret_cast<NativeMessageHandler*>(parameter);
 #if defined(DEBUG)
     handler->CheckAccess();
 #endif
 
   while (handler->HasLivePorts()) {
-    Message* message = handler->Dequeue(0);
+    Message* message = handler->queue()->Dequeue(0);
     if (message != NULL) {
       if (message->priority() >= Message::kOOBPriority) {
         // TODO(turnidge): Out of band messages will not go through
         // the regular message handler.  Instead they will be
         // dispatched to special vm code.  Implement.
         UNIMPLEMENTED();
       }
       // Enter a native scope for handling the message. This will create a
       // zone for allocating the objects for decoding the message.
       ApiNativeScope scope;
@@ skipping 15 matching lines @@
 
 void NativeMessageHandler::StartWorker() {
   int result = Thread::Start(RunWorker, reinterpret_cast<uword>(this));
   if (result != 0) {
     FATAL1("Failed to start native message handler worker thread %d", result);
   }
 }
 
 
 }  // namespace dart