- Fix Windows standalone build again.

runtime/bin/thread_win.h

 // 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.
 
 #ifndef BIN_THREAD_WIN_H_
 #define BIN_THREAD_WIN_H_
 
 #if !defined(BIN_THREAD_H_)
 #error Do not include thread_win.h directly; use thread.h instead.
 #endif
@@ skipping 56 matching lines @@
   // for a given thread.
   static ThreadLocalKey monitor_wait_data_key_;
 
   // Auto-reset event used for waiting.
   HANDLE event_;
   // Link to next element in the singly-linked list of waiters.
   MonitorWaitData* next_;
 
   friend class Monitor;
   friend class MonitorData;
-  friend class OS;
+  friend class Thread;
 
 
   DISALLOW_COPY_AND_ASSIGN(MonitorWaitData);
 };
 
 
 class MonitorData {
  private:
   MonitorData() {}
   ~MonitorData() {}
@@ skipping 15 matching lines @@
 
   // Singly-linked list of event objects, one for each thread waiting
   // on this monitor. New waiters are added at the end of the list.
   // Notify signals the first element of the list (FIFO
   // order). NotifyAll, signals all the elements of the list.
   CRITICAL_SECTION waiters_cs_;
   MonitorWaitData* waiters_head_;
   MonitorWaitData* waiters_tail_;
 
   friend class Monitor;
-  friend class OS;
+  friend class Thread;
   friend unsigned int __stdcall ThreadEntry(void* data_ptr);
 
   DISALLOW_ALLOCATION();
   DISALLOW_COPY_AND_ASSIGN(MonitorData);
 };
 
 }  // namespace bin
 }  // namespace dart
 
 #endif  // BIN_THREAD_WIN_H_