Remove WmLookup.

ash/common/system/status_area_widget_delegate.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/status_area_widget_delegate.h"
 
 #include "ash/ash_export.h"
 #include "ash/common/focus_cycler.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/tray_constants.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/root_window_controller.h"
 #include "base/strings/utf_string_conversions.h"
 #include "ui/compositor/layer.h"
 #include "ui/compositor/scoped_layer_animation_settings.h"
 #include "ui/gfx/animation/tween.h"
 #include "ui/gfx/canvas.h"
 #include "ui/gfx/image/image.h"
@@ skipping 51 matching lines @@
   return View::GetWidget();
 }
 
 const views::Widget* StatusAreaWidgetDelegate::GetWidget() const {
   return View::GetWidget();
 }
 
 void StatusAreaWidgetDelegate::OnGestureEvent(ui::GestureEvent* event) {
   views::Widget* target_widget =
       static_cast<views::View*>(event->target())->GetWidget();
-  WmWindow* target_window = WmLookup::Get()->GetWindowForWidget(target_widget);
+  WmWindow* target_window = WmWindow::Get(target_widget->GetNativeWindow());
   WmShelf* shelf = target_window->GetRootWindowController()->GetShelf();
   if (shelf->ProcessGestureEvent(*event))
     event->StopPropagation();
   else
     views::AccessiblePaneView::OnGestureEvent(event);
 }
 
 bool StatusAreaWidgetDelegate::CanActivate() const {
   // We don't want mouse clicks to activate us, but we need to allow
   // activation when the user is using the keyboard (FocusCycler).
@@ skipping 125 matching lines @@
   }
   child->SetBorder(
       views::CreateEmptyBorder(top_edge, left_edge, bottom_edge, right_edge));
   // Layout on |child| needs to be updated based on new border value before
   // displaying; otherwise |child| will be showing with old border size.
   // Fix for crbug.com/623438.
   child->Layout();
 }
 
 }  // namespace ash