Converts overview to use common ash types

ash/wm/overview/scoped_overview_animation_settings_factory_aura.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_OVERVIEW_WM_SCOPED_OVERVIEW_ANIMATION_SETTINGS_AURA_H_
+#define ASH_WM_OVERVIEW_WM_SCOPED_OVERVIEW_ANIMATION_SETTINGS_AURA_H_
+
+#include <memory>
+
+#include "ash/wm/overview/scoped_overview_animation_settings_factory.h"
+#include "base/macros.h"
+
+namespace ash {
+
+// Aura implementation of ScopedOverviewAnimationSettingsFactory.
+class ScopedOverviewAnimationSettingsFactoryAura
+    : public ScopedOverviewAnimationSettingsFactory {
+ public:
+  ScopedOverviewAnimationSettingsFactoryAura();
+  ~ScopedOverviewAnimationSettingsFactoryAura() override;
+
+  // ScopedOverviewAnimationSettingsFactoryAura:
+  std::unique_ptr<ScopedOverviewAnimationSettings>
+  CreateOverviewAnimationSettings(OverviewAnimationType animation_type,
+                                  wm::WmWindow* window) override;
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(ScopedOverviewAnimationSettingsFactoryAura);
+};
+
+}  // namespace ash
+
+#endif  // ASH_WM_OVERVIEW_WM_SCOPED_OVERVIEW_ANIMATION_SETTINGS_AURA_H_