Remove WmLookup.

ash/common/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/common/system/tray/tray_background_view.h"
 
 #include <algorithm>
 
 #include "ash/common/ash_constants.h"
 #include "ash/common/material_design/material_design_controller.h"
 #include "ash/common/shelf/shelf_constants.h"
 #include "ash/common/shelf/wm_shelf.h"
 #include "ash/common/shelf/wm_shelf_util.h"
 #include "ash/common/system/tray/system_tray.h"
 #include "ash/common/system/tray/tray_constants.h"
 #include "ash/common/system/tray/tray_event_filter.h"
-#include "ash/common/wm_lookup.h"
 #include "ash/common/wm_shell.h"
 #include "ash/common/wm_window.h"
 #include "ash/public/cpp/shell_window_ids.h"
 #include "ash/resources/grit/ash_resources.h"
 #include "base/memory/ptr_util.h"
 #include "ui/accessibility/ax_node_data.h"
 #include "ui/base/nine_image_painter_factory.h"
 #include "ui/compositor/layer.h"
 #include "ui/compositor/layer_animation_element.h"
 #include "ui/compositor/scoped_layer_animation_settings.h"
@@ skipping 286 matching lines @@
   StopObservingImplicitAnimations();
 }
 
 void TrayBackgroundView::Initialize() {
   GetWidget()->AddObserver(widget_observer_.get());
 }
 
 // static
 void TrayBackgroundView::InitializeBubbleAnimations(
     views::Widget* bubble_widget) {
-  WmWindow* window = WmLookup::Get()->GetWindowForWidget(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));
 }
 
 void TrayBackgroundView::SetVisible(bool visible) {
   if (visible == layer()->GetTargetVisibility())
     return;
@@ skipping 279 matching lines @@
 }
 
 gfx::Rect TrayBackgroundView::GetBackgroundBounds() const {
   gfx::Insets insets = GetBackgroundInsets();
   gfx::Rect bounds = GetLocalBounds();
   bounds.Inset(insets);
   return bounds;
 }
 
 }  // namespace ash