|  | /* | 
|  | *  Copyright (c) 2016 The WebRTC project authors. All Rights Reserved. | 
|  | * | 
|  | *  Use of this source code is governed by a BSD-style license | 
|  | *  that can be found in the LICENSE file in the root of the source | 
|  | *  tree. An additional intellectual property rights grant can be found | 
|  | *  in the file PATENTS.  All contributing project authors may | 
|  | *  be found in the AUTHORS file in the root of the source tree. | 
|  | */ | 
|  |  | 
|  | #include "webrtc/modules/desktop_capture/screen_drawer.h" | 
|  |  | 
|  | namespace webrtc { | 
|  |  | 
|  | namespace { | 
|  | std::unique_ptr<ScreenDrawerLock> g_screen_drawer_lock; | 
|  | }  // namespace | 
|  |  | 
|  | ScreenDrawerLock::ScreenDrawerLock() = default; | 
|  | ScreenDrawerLock::~ScreenDrawerLock() = default; | 
|  |  | 
|  | ScreenDrawer::ScreenDrawer() { | 
|  | g_screen_drawer_lock = ScreenDrawerLock::Create(); | 
|  | } | 
|  |  | 
|  | ScreenDrawer::~ScreenDrawer() { | 
|  | g_screen_drawer_lock.reset(); | 
|  | } | 
|  |  | 
|  | }  // namespace webrtc |