chromeos: Eliminate WmWindow from //ash/system

ash/system/toast/toast_overlay.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/system/toast/toast_overlay.h"
 
 #include "ash/public/cpp/ash_typography.h"
 #include "ash/public/cpp/shell_window_ids.h"
 #include "ash/root_window_controller.h"
 #include "ash/shelf/wm_shelf.h"
 #include "ash/shell.h"
 #include "ash/strings/grit/ash_strings.h"
-#include "ash/wm_window.h"
 #include "base/strings/string_util.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/threading/thread_task_runner_handle.h"
 #include "third_party/skia/include/core/SkColor.h"
 #include "ui/base/l10n/l10n_util.h"
 #include "ui/gfx/canvas.h"
 #include "ui/gfx/font_list.h"
 #include "ui/views/border.h"
 #include "ui/views/controls/button/label_button.h"
 #include "ui/views/controls/label.h"
@@ skipping 193 matching lines @@
   params.bounds = CalculateOverlayBounds();
   // Show toasts above the app list and below the lock screen.
   GetRootWindowController(Shell::GetRootWindowForNewWindows())
       ->ConfigureWidgetInitParamsForContainer(
           overlay_widget_.get(), kShellWindowId_SystemModalContainer, &params);
   overlay_widget_->Init(params);
   overlay_widget_->SetVisibilityChangedAnimationsEnabled(true);
   overlay_widget_->SetContentsView(overlay_view_.get());
   overlay_widget_->SetBounds(CalculateOverlayBounds());
 
-  WmWindow* overlay_window = WmWindow::Get(overlay_widget_->GetNativeWindow());
-  overlay_window->SetVisibilityAnimationType(
-      ::wm::WINDOW_VISIBILITY_ANIMATION_TYPE_VERTICAL);
-  overlay_window->SetVisibilityAnimationDuration(
+  aura::Window* overlay_window = overlay_widget_->GetNativeWindow();
+  ::wm::SetWindowVisibilityAnimationType(
+      overlay_window, ::wm::WINDOW_VISIBILITY_ANIMATION_TYPE_VERTICAL);
+  ::wm::SetWindowVisibilityAnimationDuration(
+      overlay_window,
       base::TimeDelta::FromMilliseconds(kSlideAnimationDurationMs));
 }
 
 ToastOverlay::~ToastOverlay() {
   overlay_widget_->Close();
 }
 
 void ToastOverlay::Show(bool visible) {
   if (overlay_widget_->GetLayer()->GetTargetVisibility() == visible)
     return;
@@ skipping 48 matching lines @@
 ToastOverlayButton* ToastOverlay::dismiss_button_for_testing() {
   return overlay_view_->button();
 }
 
 void ToastOverlay::ClickDismissButtonForTesting(const ui::Event& event) {
   DCHECK(overlay_view_->button());
   overlay_view_->button()->NotifyClick(event);
 }
 
 }  // namespace ash