[Mac] Delete old balloon and Notification Center notification implementations.

chrome/chrome_tests.gypi

 # 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.
 {
   'variables' : {
     'pyautolib_sources': [
       'app/chrome_command_ids.h',
       'app/chrome_dll_resource.h',
       'common/automation_constants.h',
       'common/pref_names.cc',
@@ skipping 208 matching lines @@
         'browser/extensions/extension_crash_recovery_browsertest.cc',
         'browser/extensions/extension_function_test_utils.cc',
         'browser/extensions/extension_keybinding_apitest.cc',
         'browser/extensions/extension_test_message_listener.cc',
         'browser/extensions/extension_test_message_listener.h',
         'browser/extensions/notifications_apitest.cc',
         'browser/extensions/window_open_interactive_apitest.cc',
         'browser/extensions/extension_fullscreen_apitest.cc',
         'browser/extensions/extension_pointer_lock_apitest.cc',
         'browser/mouseleave_browsertest.cc',
-        'browser/notifications/desktop_notifications_unittest.cc',
-        'browser/notifications/desktop_notifications_unittest.h',
         'browser/notifications/notification_browsertest.cc',
         'browser/printing/print_dialog_cloud_interative_uitest.cc',
         'browser/task_manager/task_manager_browsertest_util.cc',
         'browser/ui/autofill/autofill_popup_controller_interactive_uitest.cc',
         'browser/ui/browser_focus_uitest.cc',
         'browser/ui/cocoa/panels/panel_cocoa_browsertest.mm',
         'browser/ui/fullscreen/fullscreen_controller_interactive_browsertest.cc',
         'browser/ui/fullscreen/fullscreen_controller_state_interactive_browsertest.cc',
         'browser/ui/gtk/bookmarks/bookmark_bar_gtk_interactive_uitest.cc',
         'browser/ui/gtk/bookmarks/bookmark_bubble_gtk_browsertest.cc',
@@ skipping 3226 matching lines @@
             'utility',
           ],
           'sources': [
             'tools/service_discovery_sniffer/service_discovery_sniffer.h',
             'tools/service_discovery_sniffer/service_discovery_sniffer.cc',
           ],
         }]
     }],
   ],  # 'conditions'
 }