- Make sure that the threads for dart::bin are in the correct namespace.

runtime/bin/eventhandler_macos.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 "platform/globals.h"
 #if defined(TARGET_OS_MACOS)
 
 #include "bin/eventhandler.h"
 
 #include <errno.h>  // NOLINT
@@ skipping 377 matching lines @@
       handler_impl->HandleTimeout();
       handler_impl->HandleEvents(events, result);
     }
   }
   delete handler;
 }
 
 
 void EventHandlerImplementation::Start(EventHandler* handler) {
   int result =
-      dart::Thread::Start(&EventHandlerImplementation::EventHandlerEntry,
+      Thread::Start(&EventHandlerImplementation::EventHandlerEntry,
                           reinterpret_cast<uword>(handler));
   if (result != 0) {
     FATAL1("Failed to start event handler thread %d", result);
   }
 }
 
 
 void EventHandlerImplementation::Shutdown() {
   SendData(kShutdownId, 0, 0);
 }
@@ skipping 14 matching lines @@
 
 uint32_t EventHandlerImplementation::GetHashmapHashFromFd(intptr_t fd) {
   // The hashmap does not support keys with value 0.
   return dart::Utils::WordHash(fd + 1);
 }
 
 }  // namespace bin
 }  // namespace dart
 
 #endif  // defined(TARGET_OS_MACOS)