Cleanup thread_local_storage on Windows

base/threading/thread_local_storage.h

 // Copyright (c) 2012 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.
 
 #ifndef BASE_THREADING_THREAD_LOCAL_STORAGE_H_
 #define BASE_THREADING_THREAD_LOCAL_STORAGE_H_
 #pragma once
 
 #include "base/base_export.h"
 #include "base/basictypes.h"
@@ skipping 68 matching lines @@
    private:
     using StaticSlot::initialized_;
 #if defined(OS_WIN)
     using StaticSlot::slot_;
 #elif defined(OS_POSIX)
     using StaticSlot::key_;
 #endif
     DISALLOW_COPY_AND_ASSIGN(Slot);
   };
 
-#if defined(OS_WIN)
-  // Function called when on thread exit to call TLS
-  // destructor functions.  This function is used internally.
-  static void ThreadExit();
-
- private:
-  // Function to lazily initialize our thread local storage.
-  static void **Initialize();
-
-  static long tls_key_;
-  static long tls_max_;
-#endif  // OS_WIN
-
   DISALLOW_COPY_AND_ASSIGN(ThreadLocalStorage);
 };
 
 }  // namespace base
 
 #endif  // BASE_THREADING_THREAD_LOCAL_STORAGE_H_