chromeos: Remove wm_shelf_util.h

ash/shelf/shelf_widget.cc

 // Copyright 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/shelf/shelf_widget.h"
 
 #include "ash/animation/animation_change_type.h"
 #include "ash/focus_cycler.h"
 #include "ash/root_window_controller.h"
 #include "ash/session/session_controller.h"
 #include "ash/shelf/app_list_button.h"
 #include "ash/shelf/shelf_background_animator_observer.h"
 #include "ash/shelf/shelf_constants.h"
 #include "ash/shelf/shelf_layout_manager.h"
 #include "ash/shelf/shelf_view.h"
 #include "ash/shelf/wm_shelf.h"
-#include "ash/shelf/wm_shelf_util.h"
 #include "ash/shell.h"
 #include "ash/system/status_area_layout_manager.h"
 #include "ash/system/status_area_widget.h"
 #include "ash/wm/window_properties.h"
 #include "ash/wm_window.h"
 #include "base/memory/ptr_util.h"
 #include "ui/compositor/layer.h"
 #include "ui/compositor/scoped_layer_animation_settings.h"
 #include "ui/gfx/skbitmap_operations.h"
 #include "ui/views/accessible_pane_view.h"
@@ skipping 319 matching lines @@
   if (shelf_view_)
     shelf_view_->UpdateShelfItemBackground(color);
 }
 
 void ShelfWidget::WillDeleteShelfLayoutManager() {
   shelf_layout_manager_->RemoveObserver(this);
   shelf_layout_manager_ = nullptr;
 }
 
 }  // namespace ash