Migrate extension notifications to the new NotificationDisplayService

chrome/browser/BUILD.gn

 # Copyright 2014 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.
 
 import("//build/config/chrome_build.gni")
 import("//build/config/crypto.gni")
 import("//build/config/features.gni")
 import("//build/config/ui.gni")
 import("//build/split_static_library.gni")
 import("//chrome/common/features.gni")
@@ skipping 4365 matching lines @@
     "history/history_test_utils.cc",
     "history/history_test_utils.h",
     "media/webrtc/fake_desktop_media_list.cc",
     "media/webrtc/fake_desktop_media_list.h",
     "net/dns_probe_test_util.cc",
     "net/dns_probe_test_util.h",
     "net/url_request_mock_util.cc",
     "net/url_request_mock_util.h",
     "notifications/notification_test_util.cc",
     "notifications/notification_test_util.h",
+    "notifications/stub_notification_display_service.cc",
+    "notifications/stub_notification_display_service.h",
     "notifications/stub_notification_platform_bridge.cc",
     "notifications/stub_notification_platform_bridge.h",
     "policy/test/local_policy_test_server.cc",
     "policy/test/local_policy_test_server.h",
     "search_engines/template_url_service_factory_test_util.cc",
     "search_engines/template_url_service_factory_test_util.h",
     "search_engines/template_url_service_test_util.cc",
     "search_engines/template_url_service_test_util.h",
     "signin/fake_account_fetcher_service_builder.cc",
     "signin/fake_account_fetcher_service_builder.h",
@@ skipping 264 matching lines @@
       "media/pepper_cdm_test_constants.cc",
       "media/pepper_cdm_test_constants.h",
     ]
   }
 }
 
 service_manifest("preferences_forwarder_manifest") {
   name = "preferences_forwarder"
   source = "prefs/forwarder_manifest.json"
 }