Fix Dartium build:

runtime/vm/os_win.cc

Index: runtime/vm/os_win.cc
===================================================================
--- runtime/vm/os_win.cc	(revision 39237)
+++ runtime/vm/os_win.cc	(working copy)
@@ -11,9 +11,6 @@
 #include <process.h>  // NOLINT
 #include <time.h>  // NOLINT
 
-// TODO(iposva): Move this out to bin/thread initialization.
-#include "bin/thread.h"
-
 #include "platform/utils.h"
 #include "platform/assert.h"
 #include "vm/thread.h"
@@ -318,9 +315,6 @@
   _set_abort_behavior(0, _WRITE_ABORT_MSG);
   MonitorWaitData::monitor_wait_data_key_ = Thread::CreateThreadLocal();
   MonitorData::GetMonitorWaitDataForThread();
-  // TODO(iposva): Move this out to bin/thread initialization.
-  bin::MonitorWaitData::monitor_wait_data_key_ = Thread::CreateThreadLocal();
-  bin::MonitorData::GetMonitorWaitDataForThread();
 }