Remove some LazyInstance use in base/

base/debug/close_handle_hook_win.h

 // Copyright 2015 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_DEBUG_CLOSE_HANDLE_HOOK_WIN_H_
 #define BASE_DEBUG_CLOSE_HANDLE_HOOK_WIN_H_
 
 #include "base/base_export.h"
 
 namespace base {
 namespace debug {
 
 // Installs the hooks required to debug use of improper handles.
 BASE_EXPORT void InstallHandleHooks();
 
-// Removes the hooks installed by InstallHandleHooks().
-BASE_EXPORT void RemoveHandleHooks();
-
 }  // namespace debug
 }  // namespace base
 
 #endif  // BASE_DEBUG_CLOSE_HANDLE_HOOK_WIN_H_