chromeos: Remove some WmWindow usage from ash/system

ash/system/tray/tray_background_view.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/system/tray/tray_background_view.h"
 
 #include <algorithm>
 
 #include "ash/ash_constants.h"
 #include "ash/shelf/shelf_constants.h"
 #include "ash/shelf/wm_shelf.h"
 #include "ash/shell.h"
 #include "ash/system/status_area_widget_delegate.h"
 #include "ash/system/tray/system_tray_notifier.h"
 #include "ash/system/tray/tray_constants.h"
 #include "ash/system/tray/tray_container.h"
 #include "ash/system/tray/tray_event_filter.h"
-#include "ash/wm_window.h"
 #include "base/memory/ptr_util.h"
 #include "ui/accessibility/ax_node_data.h"
 #include "ui/compositor/layer.h"
 #include "ui/compositor/layer_animation_element.h"
 #include "ui/compositor/scoped_layer_animation_settings.h"
 #include "ui/gfx/animation/tween.h"
 #include "ui/gfx/canvas.h"
 #include "ui/gfx/geometry/rect.h"
 #include "ui/gfx/geometry/size.h"
 #include "ui/gfx/transform.h"
 #include "ui/views/animation/flood_fill_ink_drop_ripple.h"
 #include "ui/views/animation/ink_drop_highlight.h"
 #include "ui/views/animation/ink_drop_mask.h"
 #include "ui/views/background.h"
 #include "ui/views/layout/fill_layout.h"
+#include "ui/wm/core/window_animations.h"
 
 namespace {
 
 const int kAnimationDurationForPopupMs = 200;
 
 // Duration of opacity animation for visibility changes.
 const int kAnimationDurationForVisibilityMs = 250;
 
 // When becoming visible delay the animation so that StatusAreaWidgetDelegate
 // can animate sibling views out of the position to be occuped by the
@@ skipping 120 matching lines @@
   StopObservingImplicitAnimations();
 }
 
 void TrayBackgroundView::Initialize() {
   GetWidget()->AddObserver(widget_observer_.get());
 }
 
 // static
 void TrayBackgroundView::InitializeBubbleAnimations(
     views::Widget* bubble_widget) {
-  WmWindow* window = WmWindow::Get(bubble_widget->GetNativeWindow());
-  window->SetVisibilityAnimationType(
-      ::wm::WINDOW_VISIBILITY_ANIMATION_TYPE_FADE);
-  window->SetVisibilityAnimationTransition(::wm::ANIMATE_HIDE);
-  window->SetVisibilityAnimationDuration(
-      base::TimeDelta::FromMilliseconds(kAnimationDurationForPopupMs));
+  aura::Window* window = bubble_widget->GetNativeWindow();
+  ::wm::SetWindowVisibilityAnimationType(
+      window, ::wm::WINDOW_VISIBILITY_ANIMATION_TYPE_FADE);
+  ::wm::SetWindowVisibilityAnimationTransition(window, ::wm::ANIMATE_HIDE);
+  ::wm::SetWindowVisibilityAnimationDuration(
+      window, base::TimeDelta::FromMilliseconds(kAnimationDurationForPopupMs));
 }
 
 void TrayBackgroundView::SetVisible(bool visible) {
   if (visible == layer()->GetTargetVisibility())
     return;
 
   if (visible) {
     // The alignment of the shelf can change while the TrayBackgroundView is
     // hidden. Reset the offscreen transform so that the animation to becoming
     // visible reflects the current layout.
@@ skipping 241 matching lines @@
 }
 
 gfx::Rect TrayBackgroundView::GetBackgroundBounds() const {
   gfx::Insets insets = GetBackgroundInsets();
   gfx::Rect bounds = GetLocalBounds();
   bounds.Inset(insets);
   return bounds;
 }
 
 }  // namespace ash