Delete athena/

athena/wm/window_list_provider_impl.h

-// 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.
-
-#ifndef ATHENA_WM_WINDOW_LIST_PROVIDER_IMPL_H_
-#define ATHENA_WM_WINDOW_LIST_PROVIDER_IMPL_H_
-
-#include "athena/wm/public/window_list_provider.h"
-#include "base/gtest_prod_util.h"
-#include "ui/aura/window_observer.h"
-
-namespace athena {
-
-class WindowListProviderObserver;
-
-// This implementation of the WindowListProviderImpl uses the same order as in
-// the container window's stacking order.
-class ATHENA_EXPORT WindowListProviderImpl : public WindowListProvider,
-                                             public aura::WindowObserver {
- public:
-  explicit WindowListProviderImpl(aura::Window* container);
-  ~WindowListProviderImpl() override;
-
-  // TODO(oshima): Remove this method. This should live outside.
-  bool IsValidWindow(aura::Window* window) const;
-
-  // WindowListProvider:
-  void AddObserver(WindowListProviderObserver* observer) override;
-  void RemoveObserver(WindowListProviderObserver* observer) override;
-  const aura::Window::Windows& GetWindowList() const override;
-  bool IsWindowInList(aura::Window* window) const override;
-  void StackWindowFrontOf(aura::Window* window,
-                          aura::Window* reference_window) override;
-  void StackWindowBehindTo(aura::Window* window,
-                           aura::Window* reference_window) override;
-
- private:
-  void RecreateWindowList();
-
-  // aura::WindowObserver:
-  void OnWindowAdded(aura::Window* new_window) override;
-  void OnWillRemoveWindow(aura::Window* old_window) override;
-  void OnWindowStackingChanged(aura::Window* window) override;
-
-  aura::Window* container_;
-  aura::Window::Windows window_list_;
-  ObserverList<WindowListProviderObserver> observers_;
-
-  DISALLOW_COPY_AND_ASSIGN(WindowListProviderImpl);
-};
-
-}  // namespace athena
-
-#endif  // ATHENA_WM_WINDOW_LIST_PROVIDER_IMPL_H_