Expose notification info in ContentSuggestion

components/ntp_snippets/content_suggestion.cc

Index: components/ntp_snippets/content_suggestion.cc
diff --git a/components/ntp_snippets/content_suggestion.cc b/components/ntp_snippets/content_suggestion.cc
index a1a1d4e8007139dcdf5a7e5d67dad38d47a957de..3b007a4f1c27bac25aac2ccde7965e4ac1944b1f 100644
--- a/components/ntp_snippets/content_suggestion.cc
+++ b/components/ntp_snippets/content_suggestion.cc
@@ -52,4 +52,9 @@ void ContentSuggestion::set_recent_tab_suggestion_extra(
   recent_tab_suggestion_extra_ = std::move(recent_tab_suggestion_extra);
 }
 
+void ContentSuggestion::set_notification_extra(
+    std::unique_ptr<NotificationExtra> notification_extra) {
+  notification_extra_ = std::move(notification_extra);
+}
+
 }  // namespace ntp_snippets