1 files changed, 30 insertions, 0 deletions
diff --git a/third_party/libwebrtc/modules/desktop_capture/screen_drawer.cc b/third_party/libwebrtc/modules/desktop_capture/screen_drawer.cc
new file mode 100644
index 0000000000..6460f19f65
--- /dev/null
+++ b/third_party/libwebrtc/modules/desktop_capture/screen_drawer.cc
@@ -0,0 +1,30 @@
+/*
+ *  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 "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