WorkspaceLayoutManagerDelegate -> WorkspaceLayoutManagerBackdropDelegate

ash/wm/workspace/workspace_layout_manager_delegate.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 ASH_WM_WORKSPACE_WORKSPACE_LAYOUT_MANAGER_DELEGATE_H_
-#define ASH_WM_WORKSPACE_WORKSPACE_LAYOUT_MANAGER_DELEGATE_H_
-
-#include "ash/wm/wm_types.h"
-
-namespace aura {
-class Window;
-}
-
-namespace ash {
-namespace wm {
-class WindowState;
-}
-
-// A delegate which can be set to create and control a backdrop which gets
-// placed below the top level window.
-class WorkspaceLayoutManagerDelegate {
- public:
-  WorkspaceLayoutManagerDelegate() {}
-  virtual ~WorkspaceLayoutManagerDelegate() {}
-
-  // A window got added to the layout.
-  virtual void OnWindowAddedToLayout(aura::Window* child) = 0;
-
-  // A window got removed from the layout.
-  virtual void OnWindowRemovedFromLayout(aura::Window* child) = 0;
-
-  // The visibility of a window has changed.
-  virtual void OnChildWindowVisibilityChanged(aura::Window* child,
-                                              bool visible) = 0;
-
-  // The stacking order of a window has changed.
-  virtual void OnWindowStackingChanged(aura::Window* window) = 0;
-
-  // A window state type has changed.
-  virtual void OnPostWindowStateTypeChange(wm::WindowState* window_state,
-                                           wm::WindowStateType old_type) = 0;
-
-  // The work area insets have changed, altering the total available space.
-  virtual void OnDisplayWorkAreaInsetsChanged() = 0;
-};
-
-}  // namespace ash
-
-#endif  // ASH_WM_WORKSPACE_WORKSPACE_LAYOUT_MANAGER_DELEGATE_H_