chromeos: nukes window_state_aura

ash/wm/window_state_aura.cc

-// 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.
-
-#include "ash/wm/window_state_aura.h"
-
-#include "ash/wm/window_properties.h"
-#include "ash/wm/window_state.h"
-#include "ash/wm/window_util.h"
-#include "ash/wm_window.h"
-#include "ui/aura/window.h"
-
-namespace ash {
-namespace wm {
-namespace {
-
-// This classes is used so that the WindowState constructor can be made
-// protected. GetWindowState() is the only place that should be creating
-// WindowState.
-class WindowStateAura : public wm::WindowState {
- public:
-  explicit WindowStateAura(WmWindow* window) : wm::WindowState(window) {}
-  ~WindowStateAura() override {}
-
- private:
-  DISALLOW_COPY_AND_ASSIGN(WindowStateAura);
-};
-
-}  // namespace
-
-WindowState* GetActiveWindowState() {
-  aura::Window* active = GetActiveWindow();
-  return active ? GetWindowState(active) : nullptr;
-}
-
-WindowState* GetWindowState(aura::Window* window) {
-  if (!window)
-    return nullptr;
-  WindowState* settings = window->GetProperty(kWindowStateKey);
-  if (!settings) {
-    settings = new WindowStateAura(WmWindow::Get(window));
-    window->SetProperty(kWindowStateKey, settings);
-  }
-  return settings;
-}
-
-const WindowState* GetWindowState(const aura::Window* window) {
-  return GetWindowState(const_cast<aura::Window*>(window));
-}
-
-}  // namespace wm
-}  // namespace ash