Now that the UI layer is accessible cross-platform, coalesce the DesktopNotif...

chrome/chrome.gyp

 # Copyright (c) 2009 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.
 
 {
   'variables': {
     'chromium_code': 1,
 
     'variables': {
       'version_py_path': 'tools/build/version.py',
@@ skipping 1795 matching lines @@
         'browser/net/websocket_experiment/websocket_experiment_task.h',
         'browser/notifications/balloon.cc',
         'browser/notifications/balloon.h',
         'browser/notifications/balloon_collection.cc',
         'browser/notifications/balloon_collection.h',
         'browser/notifications/balloon_collection_win.cc',
         'browser/notifications/balloon_collection_mac.mm',
         'browser/notifications/balloon_collection_linux.cc',
         'browser/notifications/desktop_notification_service.cc',
         'browser/notifications/desktop_notification_service.h',
-        'browser/notifications/desktop_notification_service_linux.cc',
-        'browser/notifications/desktop_notification_service_mac.mm',
-        'browser/notifications/desktop_notification_service_win.cc',
         'browser/notifications/notification.h',
         'browser/notifications/notification_object_proxy.cc',
         'browser/notifications/notification_object_proxy.h',
         'browser/notifications/notification_ui_manager.cc',
         'browser/notifications/notification_ui_manager.h',
         'browser/notifications/notifications_prefs_cache.cc',
         'browser/notifications/notifications_prefs_cache.h',
         'browser/ntp_background_util.cc',
         'browser/ntp_background_util.h',
         'browser/omnibox_search_hint.cc',
@@ skipping 5143 matching lines @@
       ]
     }],
   ],  # 'conditions'
 }
 
 # Local Variables:
 # tab-width:2
 # indent-tabs-mode:nil
 # End:
 # vim: set expandtab tabstop=2 shiftwidth=2: