Update chromeos system menu buttons for MD.

ash/common/system/tray/system_tray.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/system_tray.h"
 
 #include "ash/common/key_event_watcher.h"
 #include "ash/common/login_status.h"
 #include "ash/common/material_design/material_design_controller.h"
 #include "ash/common/session/session_state_delegate.h"
 #include "ash/common/shelf/wm_shelf.h"
 #include "ash/common/shelf/wm_shelf_util.h"
-#include "ash/common/system/cast/tray_cast.h"
 #include "ash/common/system/date/tray_date.h"
 #include "ash/common/system/date/tray_system_info.h"
 #include "ash/common/system/tiles/tray_tiles.h"
 #include "ash/common/system/tray/system_tray_controller.h"
 #include "ash/common/system/tray/system_tray_delegate.h"
 #include "ash/common/system/tray/system_tray_item.h"
 #include "ash/common/system/tray/tray_bubble_wrapper.h"
 #include "ash/common/system/tray/tray_constants.h"
 #include "ash/common/system/tray_accessibility.h"
 #include "ash/common/system/update/tray_update.h"
@@ skipping 22 matching lines @@
 #include "ui/gfx/skia_util.h"
 #include "ui/views/border.h"
 #include "ui/views/controls/label.h"
 #include "ui/views/view.h"
 #include "ui/views/widget/widget.h"
 
 #if defined(OS_CHROMEOS)
 #include "ash/common/system/chromeos/audio/tray_audio_chromeos.h"
 #include "ash/common/system/chromeos/bluetooth/tray_bluetooth.h"
 #include "ash/common/system/chromeos/brightness/tray_brightness.h"
+#include "ash/common/system/chromeos/cast/tray_cast.h"
 #include "ash/common/system/chromeos/enterprise/tray_enterprise.h"
 #include "ash/common/system/chromeos/media_security/multi_profile_media_tray_item.h"
 #include "ash/common/system/chromeos/network/tray_network.h"
 #include "ash/common/system/chromeos/network/tray_sms.h"
 #include "ash/common/system/chromeos/network/tray_vpn.h"
 #include "ash/common/system/chromeos/power/power_status.h"
 #include "ash/common/system/chromeos/power/tray_power.h"
 #include "ash/common/system/chromeos/screen_security/screen_capture_tray_item.h"
 #include "ash/common/system/chromeos/screen_security/screen_share_tray_item.h"
 #include "ash/common/system/chromeos/session/tray_session_length_limit.h"
@@ skipping 886 matching lines @@
           .work_area()
           .height();
   if (work_area_height > 0) {
     UMA_HISTOGRAM_CUSTOM_COUNTS(
         "Ash.SystemMenu.PercentageOfWorkAreaHeightCoveredByMenu",
         100 * bubble_view->height() / work_area_height, 1, 300, 100);
   }
 }
 
 }  // namespace ash