Support persistent notifications in the PlatformNotificationServiceImpl.

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': {
     'chrome_browser_extensions_test_support_sources': [
       # A list of sources which is shared between different browser tests.
       'browser/apps/app_browsertest_util.cc',
       'browser/apps/app_browsertest_util.h',
       'browser/extensions/browsertest_util.cc',
@@ skipping 1460 matching lines @@
           # Common notifications tests.
           'sources': [
             'browser/extensions/notifications_apitest.cc',
           ],
           'conditions': [
             ['chromeos == 0', {
               # Non-ChromeOS notifications tests (ChromeOS does not use
               # cross-platform panels).
               'sources': [
                 'browser/notifications/notification_browsertest.cc',
+                'browser/notifications/platform_notification_service_browsertest.cc',
               ],
             }],
           ],
         }],
         ['OS=="android"', {
           'sources!': [
             # Android does not use the message center-based Notification system.
             'browser/notifications/message_center_notifications_browsertest.cc',
 
             # TODO(peter): Enable the Notification browser tests.
             'browser/notifications/notification_browsertest.cc',
+            'browser/notifications/platform_notification_service_browsertest.cc',
           ]
         }],
         ['toolkit_views==1', {
           'sources': [ '<@(chrome_interactive_ui_test_views_sources)' ],
           'dependencies': [
             '../ui/views/controls/webview/webview_tests.gyp:webview_test_support',
             '../ui/views/views.gyp:views',
             '../ui/views/views.gyp:views_test_support',
           ],
         }],
@@ skipping 1715 matching lines @@
             ['enable_webrtc==1', {
               'dependencies': [
                 '../third_party/libjingle/libjingle.gyp:libjingle_webrtc'
               ]
             }],
           ],
         }]
     }],
   ],  # 'conditions'
 }