Move Mutex and Monitor from vm/ to platform/

runtime/platform/thread_macos.h

Index: runtime/platform/thread_macos.h
diff --git a/runtime/vm/thread_macos.h b/runtime/platform/thread_macos.h
similarity index 65%
copy from runtime/vm/thread_macos.h
copy to runtime/platform/thread_macos.h
index fbcec431a1d95a27af64070989c3031c98274e6b..92e631c7da8bcef9fa185d9d596df525bb7e3410 100644
--- a/runtime/vm/thread_macos.h
+++ b/runtime/platform/thread_macos.h
@@ -1,32 +1,16 @@
-// Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
+// 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 VM_THREAD_MACOS_H_
-#define VM_THREAD_MACOS_H_
+#ifndef PLATFORM_THREAD_MACOS_H_
+#define PLATFORM_THREAD_MACOS_H_
 
 #include <pthread.h>
 
-#include "vm/globals.h"
+#include "platform/globals.h"
 
 namespace dart {
 
-class ThreadData {
- private:
-  ThreadData() {}
-  ~ThreadData() {}
-
-  pthread_t* tid() { return &tid_; }
-
-  pthread_t tid_;
-
-  friend class Thread;
-
-  DISALLOW_ALLOCATION();
-  DISALLOW_COPY_AND_ASSIGN(ThreadData);
-};
-
-
 class MutexData {
  private:
   MutexData() {}
@@ -62,4 +46,4 @@ class MonitorData {
 
 }  // namespace dart
 
-#endif  // VM_THREAD_MACOS_H_
+#endif  // PLATFORM_THREAD_MACOS_H_