Post notification after fetching articles

chrome/browser/BUILD.gn

Index: chrome/browser/BUILD.gn
diff --git a/chrome/browser/BUILD.gn b/chrome/browser/BUILD.gn
index 11e4ded9201a7d3a15cdd3ae277f52fd3653e5b7..f94523da234ebadfffc10b8481f50d7c83fb11a3 100644
--- a/chrome/browser/BUILD.gn
+++ b/chrome/browser/BUILD.gn
@@ -741,10 +741,14 @@ split_static_library("browser") {
     "notifications/web_notification_delegate.h",
     "ntp_snippets/bookmark_last_visit_updater.cc",
     "ntp_snippets/bookmark_last_visit_updater.h",
+    "ntp_snippets/content_suggestions_notifier_service_factory.cc",
+    "ntp_snippets/content_suggestions_notifier_service_factory.h",
     "ntp_snippets/content_suggestions_service_factory.cc",
     "ntp_snippets/content_suggestions_service_factory.h",
     "ntp_snippets/download_suggestions_provider.cc",
     "ntp_snippets/download_suggestions_provider.h",
+    "ntp_snippets/ntp_snippets_features.cc",
+    "ntp_snippets/ntp_snippets_features.h",
     "ntp_tiles/chrome_most_visited_sites_factory.cc",
     "ntp_tiles/chrome_most_visited_sites_factory.h",
     "ntp_tiles/chrome_popular_sites_factory.cc",
@@ -3112,6 +3116,8 @@ split_static_library("browser") {
       "android/net/external_estimate_provider_android.h",
       "android/ntp/content_suggestions_notification_helper.cc",
       "android/ntp/content_suggestions_notification_helper.h",
+      "android/ntp/content_suggestions_notifier_service.cc",
+      "android/ntp/content_suggestions_notifier_service.h",
       "android/ntp/most_visited_sites_bridge.cc",
       "android/ntp/most_visited_sites_bridge.h",
       "android/ntp/new_tab_page_prefs.cc",