Remove pthreads from build and installer files.

chrome/browser/sync/util/compat_pthread.h

Index: chrome/browser/sync/util/compat_pthread.h
===================================================================
--- chrome/browser/sync/util/compat_pthread.h	(revision 28514)
+++ chrome/browser/sync/util/compat_pthread.h	(working copy)
@@ -1,22 +0,0 @@
-// Copyright (c) 2009 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-//
-// Pthread compatability routines.
-// TODO(timsteele): This file is deprecated. Use PlatformThread.
-
-#ifndef CHROME_BROWSER_SYNC_UTIL_COMPAT_PTHREAD_H_
-#define CHROME_BROWSER_SYNC_UTIL_COMPAT_PTHREAD_H_
-
-#include "base/platform_thread.h"
-#include "build/build_config.h"
-
-#define ThreadId PlatformThreadId
-
-#ifndef OS_WIN
-inline ThreadId GetCurrentThreadId() {
-  return PlatformThread::CurrentId();
-}
-#endif  // OS_WIN
-
-#endif  // CHROME_BROWSER_SYNC_UTIL_COMPAT_PTHREAD_H_