It is time.

ui/views/controls/native/native_view_host_aura.h

-// Copyright (c) 2011 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 UI_VIEWS_CONTROLS_NATIVE_NATIVE_VIEW_HOST_AURA_H_
-#define UI_VIEWS_CONTROLS_NATIVE_NATIVE_VIEW_HOST_AURA_H_
-
-#include "base/basictypes.h"
-#include "base/compiler_specific.h"
-#include "ui/aura/window.h"
-#include "ui/aura/window_observer.h"
-#include "ui/views/controls/native/native_view_host_wrapper.h"
-#include "ui/views/views_export.h"
-
-namespace views {
-
-class NativeViewHost;
-
-// Aura implementation of NativeViewHostWrapper.
-class VIEWS_EXPORT NativeViewHostAura : public NativeViewHostWrapper,
-                                        public aura::WindowObserver {
- public:
-  explicit NativeViewHostAura(NativeViewHost* host);
-  virtual ~NativeViewHostAura();
-
-  // Overridden from NativeViewHostWrapper:
-  virtual void AttachNativeView() override;
-  virtual void NativeViewDetaching(bool destroyed) override;
-  virtual void AddedToWidget() override;
-  virtual void RemovedFromWidget() override;
-  virtual void InstallClip(int x, int y, int w, int h) override;
-  virtual bool HasInstalledClip() override;
-  virtual void UninstallClip() override;
-  virtual void ShowWidget(int x, int y, int w, int h) override;
-  virtual void HideWidget() override;
-  virtual void SetFocus() override;
-  virtual gfx::NativeViewAccessible GetNativeViewAccessible() override;
-  virtual gfx::NativeCursor GetCursor(int x, int y) override;
-
- private:
-  friend class NativeViewHostAuraTest;
-
-  class ClippingWindowDelegate;
-
-  // Overridden from aura::WindowObserver:
-  virtual void OnWindowDestroying(aura::Window* window) override;
-  virtual void OnWindowDestroyed(aura::Window* window) override;
-
-  // Reparents the native view with the clipping window existing between it and
-  // its old parent, so that the fast resize path works.
-  void AddClippingWindow();
-
-  // If the native view has been reparented via AddClippingWindow, this call
-  // undoes it.
-  void RemoveClippingWindow();
-
-  // Our associated NativeViewHost.
-  NativeViewHost* host_;
-
-  scoped_ptr<ClippingWindowDelegate> clipping_window_delegate_;
-
-  // Window that exists between the native view and the parent that allows for
-  // clipping to occur. This is positioned in the coordinate space of
-  // host_->GetWidget().
-  aura::Window clipping_window_;
-  scoped_ptr<gfx::Rect> clip_rect_;
-
-  DISALLOW_COPY_AND_ASSIGN(NativeViewHostAura);
-};
-
-}  // namespace views
-
-#endif  // UI_VIEWS_CONTROLS_NATIVE_NATIVE_VIEW_HOST_AURA_H_