mash: Migrate MediaDelegate ownership and access to 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>
 
@@ skipping 33 matching lines @@
 #include "ash/drag_drop/drag_drop_controller.h"
 #include "ash/first_run/first_run_helper_impl.h"
 #include "ash/frame/custom_frame_view_ash.h"
 #include "ash/gpu_support.h"
 #include "ash/high_contrast/high_contrast_controller.h"
 #include "ash/host/ash_window_tree_host_init_params.h"
 #include "ash/ime/input_method_event_handler.h"
 #include "ash/keyboard_uma_event_filter.h"
 #include "ash/magnifier/magnification_controller.h"
 #include "ash/magnifier/partial_magnification_controller.h"
-#include "ash/media_delegate.h"
 #include "ash/new_window_delegate.h"
 #include "ash/pointer_watcher_delegate.h"
 #include "ash/root_window_controller.h"
 #include "ash/shelf/app_list_shelf_item_delegate.h"
 #include "ash/shelf/shelf.h"
 #include "ash/shelf/shelf_delegate.h"
 #include "ash/shelf/shelf_widget.h"
 #include "ash/shelf/shelf_window_watcher.h"
 #include "ash/shell_delegate.h"
 #include "ash/shell_factory.h"
@@ skipping 712 matching lines @@
   display_configuration_controller_.reset();
 
   wm_shell_->PrepareForShutdown();
   // 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();
-  media_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_)
     display_configurator_->RemoveObserver(display_error_observer_.get());
@@ skipping 223 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(delegate_->CreateUserWallpaperDelegate());
 
   session_state_delegate_.reset(delegate_->CreateSessionStateDelegate());
   accessibility_delegate_.reset(delegate_->CreateAccessibilityDelegate());
   new_window_delegate_.reset(delegate_->CreateNewWindowDelegate());
-  media_delegate_.reset(delegate_->CreateMediaDelegate());
+  wm_shell_->set_media_delegate(
+      base::WrapUnique(delegate_->CreateMediaDelegate()));
   pointer_watcher_delegate_ = delegate_->CreatePointerWatcherDelegate();
 
   resize_shadow_controller_.reset(new ResizeShadowController());
   shadow_controller_.reset(new ::wm::ShadowController(activation_client_));
 
-  SystemTrayDelegate* system_tray_delegate =
-      delegate()->CreateSystemTrayDelegate();
-  DCHECK(system_tray_delegate);
-  wm_shell_->SetSystemTrayDelegate(base::WrapUnique(system_tray_delegate));
+  wm_shell_->SetSystemTrayDelegate(
+      base::WrapUnique(delegate()->CreateSystemTrayDelegate()));
 
   locale_notification_controller_.reset(new LocaleNotificationController);
 
   // Initialize toast manager
   toast_manager_.reset(new ToastManager);
 
 #if defined(OS_CHROMEOS)
   // Create TouchTransformerController before
   // WindowTreeHostManager::InitDisplays()
   // since TouchTransformerController listens on
@@ skipping 132 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