Move processing out of AcceleratorDelegate

ash/common/wm_window.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_COMMON_WM_WINDOW_H_
 #define ASH_COMMON_WM_WINDOW_H_
 
 #include <memory>
 #include <vector>
 
@@ skipping 108 matching lines @@
 
   virtual bool GetBoolProperty(WmWindowProperty key) = 0;
   virtual int GetIntProperty(WmWindowProperty key) = 0;
 
   wm::WindowState* GetWindowState() {
     return const_cast<wm::WindowState*>(
         const_cast<const WmWindow*>(this)->GetWindowState());
   }
   virtual const wm::WindowState* GetWindowState() const = 0;
 
+  // The implementation of this matches aura::Window::GetToplevelWindow().
   virtual WmWindow* GetToplevelWindow() = 0;
+  // The implementation of this matches
+  // aura::client::ActivationClient::GetToplevelWindow().
+  virtual WmWindow* GetToplevelWindowForFocus() = 0;
 
   // See aura::client::ParentWindowWithContext() for details of what this does.
   virtual void SetParentUsingContext(WmWindow* context,
                                      const gfx::Rect& screen_bounds) = 0;
   virtual void AddChild(WmWindow* window) = 0;
 
   virtual WmWindow* GetParent() = 0;
 
   WmWindow* GetTransientParent() {
     return const_cast<WmWindow*>(
@@ skipping 140 matching lines @@
   virtual void RemoveObserver(WmWindowObserver* observer) = 0;
   virtual bool HasObserver(const WmWindowObserver* observer) const = 0;
 
  protected:
   virtual ~WmWindow() {}
 };
 
 }  // namespace ash
 
 #endif  // ASH_COMMON_WM_WINDOW_H_