It is time.

ui/aura/client/default_capture_client.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 UI_AURA_CLIENT_DEFAULT_CAPTURE_CLIENT_H_
-#define UI_AURA_CLIENT_DEFAULT_CAPTURE_CLIENT_H_
-
-#include "base/basictypes.h"
-#include "base/compiler_specific.h"
-#include "ui/aura/aura_export.h"
-#include "ui/aura/client/capture_client.h"
-
-namespace aura {
-namespace client {
-
-class AURA_EXPORT DefaultCaptureClient : public client::CaptureClient {
- public:
-  explicit DefaultCaptureClient(Window* root_window);
-  virtual ~DefaultCaptureClient();
-
- private:
-  // Overridden from client::CaptureClient:
-  virtual void SetCapture(Window* window) override;
-  virtual void ReleaseCapture(Window* window) override;
-  virtual Window* GetCaptureWindow() override;
-  virtual Window* GetGlobalCaptureWindow() override;
-
-  Window* root_window_;
-  Window* capture_window_;
-
-  DISALLOW_COPY_AND_ASSIGN(DefaultCaptureClient);
-};
-
-}  // namespace client
-}  // namespace aura
-
-#endif  // UI_AURA_CLIENT_DEFAULT_CAPTURE_CLIENT_H_