Move AccessibilityDelegate ownership to ash::WmShell

ash/shell.cc

 // Copyright (c) 2012 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/shell.h"
 
 #include <algorithm>
 #include <string>
 #include <utility>
 
 #include "ash/accelerators/accelerator_controller.h"
 #include "ash/accelerators/accelerator_delegate.h"
 #include "ash/accelerators/focus_manager_factory.h"
 #include "ash/aura/wm_shell_aura.h"
 #include "ash/aura/wm_window_aura.h"
 #include "ash/autoclick/autoclick_controller.h"
-#include "ash/common/accessibility_delegate.h"
 #include "ash/common/ash_switches.h"
 #include "ash/common/gpu_support.h"
 #include "ash/common/keyboard/keyboard_ui.h"
 #include "ash/common/login_status.h"
 #include "ash/common/pointer_watcher_delegate.h"
 #include "ash/common/session/session_state_delegate.h"
 #include "ash/common/shelf/shelf_item_delegate.h"
 #include "ash/common/shelf/shelf_item_delegate_manager.h"
 #include "ash/common/shelf/shelf_model.h"
 #include "ash/common/shell_delegate.h"
@@ skipping 733 matching lines @@
   audio_a11y_controller_.reset();
 #endif  // defined(OS_CHROMEOS)
 
   // This also deletes all RootWindows. Note that we invoke Shutdown() on
   // WindowTreeHostManager before resetting |window_tree_host_manager_|, since
   // destruction
   // of its owned RootWindowControllers relies on the value.
   display_manager_->CreateScreenForShutdown();
   display_configuration_controller_.reset();
 
-  wm_shell_->PrepareForShutdown();
+  wm_shell_->Shutdown();
   // Depends on |focus_client_|, so must be destroyed before.
   window_tree_host_manager_->Shutdown();
   window_tree_host_manager_.reset();
   focus_client_.reset();
   screen_position_controller_.reset();
-  accessibility_delegate_.reset();
   new_window_delegate_.reset();
   pointer_watcher_delegate_.reset();
 
   keyboard::KeyboardController::ResetInstance(nullptr);
 
 #if defined(OS_CHROMEOS)
   display_color_manager_.reset();
   if (display_change_observer_)
     display_configurator_->RemoveObserver(display_change_observer_.get());
   if (display_error_observer_)
@@ skipping 221 matching lines @@
   event_client_.reset(new EventClientImpl);
 
   // This controller needs to be set before SetupManagedWindowMode.
   desktop_background_controller_.reset(
       new DesktopBackgroundController(blocking_pool_));
   user_wallpaper_delegate_.reset(
       wm_shell_->delegate()->CreateUserWallpaperDelegate());
 
   session_state_delegate_.reset(
       wm_shell_->delegate()->CreateSessionStateDelegate());
-  accessibility_delegate_.reset(
-      wm_shell_->delegate()->CreateAccessibilityDelegate());
   new_window_delegate_.reset(wm_shell_->delegate()->CreateNewWindowDelegate());
   pointer_watcher_delegate_ =
       wm_shell_->delegate()->CreatePointerWatcherDelegate();
 
   resize_shadow_controller_.reset(new ResizeShadowController());
   shadow_controller_.reset(new ::wm::ShadowController(activation_client_));
 
   wm_shell_->SetSystemTrayDelegate(
       base::WrapUnique(wm_shell_->delegate()->CreateSystemTrayDelegate()));
 
@@ skipping 137 matching lines @@
 
 void Shell::OnWindowActivated(
     aura::client::ActivationChangeObserver::ActivationReason reason,
     aura::Window* gained_active,
     aura::Window* lost_active) {
   if (gained_active)
     target_root_window_ = gained_active->GetRootWindow();
 }
 
 }  // namespace ash