chromeos: gets rid of wm_screen_util

ash/wm/wm_screen_util.h

-// Copyright 2016 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 ASH_WM_WM_SCREEN_UTIL_H_
-#define ASH_WM_WM_SCREEN_UTIL_H_
-
-#include "ash/ash_export.h"
-
-namespace gfx {
-class Rect;
-}
-
-namespace ash {
-
-class WmWindow;
-
-namespace wm {
-
-ASH_EXPORT gfx::Rect GetDisplayWorkAreaBoundsInParent(WmWindow* window);
-ASH_EXPORT gfx::Rect GetDisplayBoundsInParent(WmWindow* window);
-ASH_EXPORT gfx::Rect GetMaximizedWindowBoundsInParent(WmWindow* window);
-
-// Returns the bounds of the physical display containing the shelf for |window|.
-// Physical displays can differ from logical displays in unified desktop mode.
-// TODO(oshima): Consider using physical displays in window layout, instead of
-// root windows, and only use logical display in display management code.
-ASH_EXPORT gfx::Rect GetDisplayBoundsWithShelf(WmWindow* window);
-
-}  // namespace wm
-}  // namespace ash
-
-#endif  // ASH_WM_WM_SCREEN_UTIL_H_