Move processing out of AcceleratorDelegate

ash/aura/wm_window_aura.cc

 // 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.
 
 #include "ash/aura/wm_window_aura.h"
 
 #include "ash/aura/aura_layout_manager_adapter.h"
 #include "ash/aura/wm_root_window_controller_aura.h"
 #include "ash/aura/wm_shell_aura.h"
 #include "ash/common/ash_constants.h"
@@ skipping 268 matching lines @@
 }
 
 const wm::WindowState* WmWindowAura::GetWindowState() const {
   return ash::wm::GetWindowState(window_);
 }
 
 WmWindow* WmWindowAura::GetToplevelWindow() {
   return Get(window_->GetToplevelWindow());
 }
 
+WmWindow* WmWindowAura::GetToplevelWindowForFocus() {
+  return Get(::wm::GetToplevelWindow(window_));
+}
+
 void WmWindowAura::SetParentUsingContext(WmWindow* context,
                                          const gfx::Rect& screen_bounds) {
   aura::client::ParentWindowWithContext(window_, GetAuraWindow(context),
                                         screen_bounds);
 }
 
 void WmWindowAura::AddChild(WmWindow* window) {
   window_->AddChild(GetAuraWindow(window));
 }
 
@@ skipping 434 matching lines @@
                                              bool visible) {
   FOR_EACH_OBSERVER(WmWindowObserver, observers_,
                     OnWindowVisibilityChanged(this, visible));
 }
 
 void WmWindowAura::OnWindowTitleChanged(aura::Window* window) {
   FOR_EACH_OBSERVER(WmWindowObserver, observers_, OnWindowTitleChanged(this));
 }
 
 }  // namespace ash