Revert "chromeos: Move files in //ash/common to //ash, part 3"

ash/system/screen_security/screen_tray_item.cc

 // Copyright 2013 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/screen_security/screen_tray_item.h"
 
-#include "ash/material_design/material_design_controller.h"
+#include "ash/common/material_design/material_design_controller.h"
 #include "ash/resources/grit/ash_resources.h"
 #include "ash/resources/vector_icons/vector_icons.h"
 #include "ash/shelf/wm_shelf_util.h"
 #include "ash/system/tray/fixed_sized_image_view.h"
 #include "ash/system/tray/tray_constants.h"
 #include "ash/system/tray/tray_popup_item_style.h"
 #include "ash/system/tray/tray_popup_utils.h"
 #include "ui/base/resource/resource_bundle.h"
 #include "ui/gfx/paint_vector_icon.h"
 #include "ui/message_center/message_center.h"
@@ skipping 168 matching lines @@
 
 void ScreenTrayItem::DestroyTrayView() {
   tray_view_ = nullptr;
 }
 
 void ScreenTrayItem::DestroyDefaultView() {
   default_view_ = nullptr;
 }
 
 }  // namespace ash