Remove uses of the Legacy Notification API and tests on Linux Aura

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 276 matching lines @@
             'browser/ui/panels/stacked_panel_browsertest.cc',
             'browser/ui/views/panels/panel_view_browsertest.cc',
           ],
         }],
         ['OS=="linux" and use_aura==1 and chromeos==0', {
           'sources!': [
             # TODO(port): These tests fail because they don't have a Screen,
             # but expect one.
             'browser/notifications/desktop_notifications_unittest.cc',
             'browser/notifications/desktop_notifications_unittest.h',
-            'browser/notifications/notification_browsertest.cc',
             # TODO(port): I have no idea about the crashes in here; there's
             # nothing obviously wrong. It doesn't run on gtk today, either.
             'browser/ui/views/tabs/tab_drag_controller_interactive_uitest.cc',
             # TODO(port): Everything here times out. Attempts have been made to
             # fix the individual failures, but each time I disable a test from
             # these suites, it seems like one or another starts timing out too.
             'browser/ui/omnibox/omnibox_view_browsertest.cc',
             'browser/extensions/api/tabs/tabs_interactive_test.cc',
             'browser/ui/views/keyboard_access_browsertest.cc',
           ],
@@ skipping 2905 matching lines @@
             'utility',
           ],
           'sources': [
             'tools/service_discovery_sniffer/service_discovery_sniffer.h',
             'tools/service_discovery_sniffer/service_discovery_sniffer.cc',
           ],
         }]
     }],
   ],  # 'conditions'
 }