Move Aura to UI subdir.

aura/window_delegate.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 AURA_WINDOW_DELEGATE_H_
-#define AURA_WINDOW_DELEGATE_H_
-#pragma once
-
-namespace gfx {
-class Canvas;
-class Point;
-}
-
-namespace aura {
-
-class KeyEvent;
-class MouseEvent;
-
-// Delegate interface for aura::Window.
-class WindowDelegate {
- public:
-  // Sent to the Window's delegate when the Window gains or loses focus.
-  virtual void OnFocus() = 0;
-  virtual void OnBlur() = 0;
-
-  virtual bool OnKeyEvent(KeyEvent* event) = 0;
-
-  // Returns the non-client component (see hit_test.h) containing |point|, in
-  // window coordinates.
-  virtual int GetNonClientComponent(const gfx::Point& point) const = 0;
-
-  virtual bool OnMouseEvent(MouseEvent* event) = 0;
-
-  // Asks the delegate to paint window contents into the supplied canvas.
-  virtual void OnPaint(gfx::Canvas* canvas) = 0;
-
-  // Called from Window's destructor before OnWindowDestroyed and before the
-  // children have been destroyed.
-  virtual void OnWindowDestroying() = 0;
-
-  // Called when the Window has been destroyed (i.e. from its destructor). This
-  // is called after OnWindowDestroying and after the children have been
-  // deleted.
-  // The delegate can use this as an opportunity to delete itself if necessary.
-  virtual void OnWindowDestroyed() = 0;
-
- protected:
-  virtual ~WindowDelegate() {}
-};
-
-}  // namespace aura
-
-#endif  // AURA_WINDOW_DELEGATE_H_