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

runtime/bin/dbg_message.cc

Index: runtime/bin/dbg_message.cc
===================================================================
--- runtime/bin/dbg_message.cc	(revision 39229)
+++ runtime/bin/dbg_message.cc	(working copy)
@@ -1106,8 +1106,8 @@
     }
 
     // Wait for more debug or vm service messages.
-    dart::Monitor::WaitResult res = ml.Wait();
-    ASSERT(res == dart::Monitor::kNotified);
+    Monitor::WaitResult res = ml.Wait();
+    ASSERT(res == Monitor::kNotified);
   }
   Dart_SetMessageNotifyCallback(NULL);
   is_interrupted_ = false;
@@ -1207,7 +1207,7 @@
 
 
 DbgMsgQueue* DbgMsgQueueList::list_ = NULL;
-dart::Mutex* DbgMsgQueueList::msg_queue_list_lock_ = new dart::Mutex();
+Mutex* DbgMsgQueueList::msg_queue_list_lock_ = new Mutex();
 
 
 void DbgMsgQueueList::Initialize() {