Start of thread pool implementation

runtime/bin/builtin_sources.gypi

Index: runtime/bin/builtin_sources.gypi
diff --git a/runtime/bin/builtin_sources.gypi b/runtime/bin/builtin_sources.gypi
index 9b5e1bf7e5fc8ff635756ed0db3fa2fee3592a22..f688c8290d8ec86d4fe8d69402e61332c8ebc195 100644
--- a/runtime/bin/builtin_sources.gypi
+++ b/runtime/bin/builtin_sources.gypi
@@ -1,4 +1,4 @@
-# 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.
 
@@ -75,5 +75,12 @@
     'socket_win.cc',
     'set.h',
     'set_test.cc',
+    'thread_pool.cc',
+    'thread_pool_linux.cc',
+    'thread_pool_linux.h',
+    'thread_pool_macos.cc',
+    'thread_pool_macos.h',
+    'thread_pool_win.cc',
+    'thread_pool_win.h',
   ],
 }