Revert "Revert 239730 "ash_system_tray_delegate -> system_tray_delegate_...""

chrome/chrome_browser_ui.gypi

 # 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.
 
 {
   'targets': [
     {
       'target_name': 'browser_ui',
       'type': 'static_library',
       'variables': { 'enable_wexit_time_destructors': 1, },
@@ skipping 320 matching lines @@
         'browser/ui/ash/multi_user/multi_user_window_manager_chromeos.cc',
         'browser/ui/ash/multi_user/multi_user_window_manager_chromeos.h',
         'browser/ui/ash/multi_user/multi_user_window_manager_stub.cc',
         'browser/ui/ash/multi_user/multi_user_window_manager_stub.h',
         'browser/ui/ash/screenshot_taker.cc',
         'browser/ui/ash/screenshot_taker.h',
         'browser/ui/ash/session_state_delegate_chromeos.cc',
         'browser/ui/ash/session_state_delegate_chromeos.h',
         'browser/ui/ash/session_state_delegate_views.cc',
         'browser/ui/ash/session_state_delegate_views.h',
+        'browser/ui/ash/system_tray_delegate_chromeos.cc',
+        'browser/ui/ash/system_tray_delegate_chromeos.h',
         'browser/ui/ash/system_tray_delegate_win.cc',
         'browser/ui/ash/system_tray_delegate_win.h',
         'browser/ui/ash/tabs/dock_info_ash.cc',
         'browser/ui/ash/tabs/dock_info_ash.h',
         'browser/ui/ash/tabs/dock_info_chromeos.cc',
         'browser/ui/ash/user_action_handler.cc',
         'browser/ui/ash/user_action_handler.h',
         'browser/ui/ash/user_wallpaper_delegate_win.cc',
         'browser/ui/ash/user_wallpaper_delegate_win.h',
         'browser/ui/ash/volume_controller_chromeos.cc',
@@ skipping 3033 matching lines @@
             'browser/ui/webui/local_discovery/local_discovery_ui.cc',
             'browser/ui/webui/local_discovery/local_discovery_ui.h',
             'browser/ui/webui/local_discovery/local_discovery_ui_handler.cc',
             'browser/ui/webui/local_discovery/local_discovery_ui_handler.h',
           ],
         }],
       ],
     },
   ],
 }