chromeos: Move files in //ash/common to //ash

ash/common/wm/window_state_util.cc

-// Copyright 2014 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 "ash/common/wm/window_state_util.h"
-
-#include "ash/common/wm/window_state.h"
-#include "ash/common/wm/window_state_delegate.h"
-#include "ash/common/wm_window.h"
-
-namespace ash {
-namespace wm {
-
-void ToggleFullScreen(wm::WindowState* window_state,
-                      WindowStateDelegate* delegate) {
-  // Window which cannot be maximized should not be full screen'ed.
-  // It can, however, be restored if it was full screen'ed.
-  bool is_fullscreen = window_state->IsFullscreen();
-  if (!is_fullscreen && !window_state->CanMaximize())
-    return;
-
-  if (delegate && delegate->ToggleFullscreen(window_state))
-    return;
-  window_state->window()->SetFullscreen(!is_fullscreen);
-}
-
-}  // namespace wm
-}  // namespace ash