It is time.

ui/views/views_switches.h

-// Copyright (c) 2013 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_VIEWS_VIEWS_SWITCHES_H_
-#define UI_VIEWS_VIEWS_SWITCHES_H_
-
-#include "ui/views/views_export.h"
-
-#include "build/build_config.h"
-
-namespace views {
-namespace switches {
-
-// Please keep alphabetized.
-VIEWS_EXPORT extern const char kDisableViewsRectBasedTargeting[];
-
-#if defined(USE_X11) && !defined(OS_CHROMEOS)
-VIEWS_EXPORT extern const char kEnableTransparentVisuals[];
-#endif
-
-// Returns true if rect-based targeting in views should be used.
-VIEWS_EXPORT bool IsRectBasedTargetingEnabled();
-
-}  // namespace switches
-}  // namespace views
-
-#endif  // UI_VIEWS_VIEWS_SWITCHES_H_