Moves ToastManager from Shell to WmShell

ash/common/wm_shell.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/common/wm_shell.h"
 
 #include <utility>
 
 #include "ash/common/accessibility_delegate.h"
 #include "ash/common/focus_cycler.h"
 #include "ash/common/keyboard/keyboard_ui.h"
 #include "ash/common/shell_delegate.h"
 #include "ash/common/shell_window_ids.h"
 #include "ash/common/system/brightness_control_delegate.h"
 #include "ash/common/system/keyboard_brightness_control_delegate.h"
+#include "ash/common/system/toast/toast_manager.h"
 #include "ash/common/system/tray/system_tray_delegate.h"
 #include "ash/common/system/tray/system_tray_notifier.h"
 #include "ash/common/wm/maximize_mode/maximize_mode_controller.h"
 #include "ash/common/wm/mru_window_tracker.h"
 #include "ash/common/wm/overview/window_selector_controller.h"
 #include "ash/common/wm/window_cycle_controller.h"
 #include "ash/common/wm_window.h"
 #include "base/bind.h"
 #include "base/logging.h"
 
@@ skipping 16 matching lines @@
 // static
 WmShell* WmShell::Get() {
   return instance_;
 }
 
 void WmShell::Initialize() {
   // Some delegates access WmShell during their construction. Create them here
   // instead of the WmShell constructor.
   accessibility_delegate_.reset(delegate_->CreateAccessibilityDelegate());
   media_delegate_.reset(delegate_->CreateMediaDelegate());
+  toast_manager_.reset(new ToastManager);
 }
 
 void WmShell::Shutdown() {
   // Accesses WmShell in its destructor.
   accessibility_delegate_.reset();
 }
 
 void WmShell::OnMaximizeModeStarted() {
   FOR_EACH_OBSERVER(ShellObserver, shell_observers_, OnMaximizeModeStarted());
 }
@@ skipping 97 matching lines @@
 }
 
 void WmShell::CreateMruWindowTracker() {
   mru_window_tracker_.reset(new MruWindowTracker);
 }
 
 void WmShell::DeleteMruWindowTracker() {
   mru_window_tracker_.reset();
 }
 
+void WmShell::DeleteToastManager() {
+  toast_manager_.reset();
+}
+
 }  // namespace ash