Revert 164652 - speculative revert - this change may have caused print dialog test failures on XP.

ash/wm/workspace/auto_window_management.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.
-
-#include "ui/aura/window.h"
-
-namespace ash {
-namespace internal {
-
-// Check if after removal or hide of the given |removed_window| an automated
-// desktop location management can be performed and rearrange accordingly.
-void RearrangeVisibleWindowOnHideOrRemove(const aura::Window* removed_window);
-
-// Check if after insertion or showing of the given |added_window| an automated
-// desktop location management can be performed and rearrange accordingly.
-void RearrangeVisibleWindowOnShow(aura::Window* added_window);
-
-} // namespace internal
-} // namespace ash
-