Plumb Blink notification actions to button UI on desktop

content/browser/notifications/notification_database_data_conversions.cc

Index: content/browser/notifications/notification_database_data_conversions.cc
diff --git a/content/browser/notifications/notification_database_data_conversions.cc b/content/browser/notifications/notification_database_data_conversions.cc
index 349b9c834b49c127d5be69eea6c9aeb869e65f05..be23cf661182d193a349a231125de97b55e34a09 100644
--- a/content/browser/notifications/notification_database_data_conversions.cc
+++ b/content/browser/notifications/notification_database_data_conversions.cc
@@ -52,6 +52,13 @@ bool DeserializeNotificationDatabaseData(const std::string& input,
                                    payload.data().end());
   }
 
+  for (const auto& payload_action : payload.actions()) {
+    PlatformNotificationAction action;
+    action.action = payload_action.action();
+    action.title = base::UTF8ToUTF16(payload_action.title());
+    notification_data->actions.push_back(action);
+  }
+
   return true;
 }
 
@@ -85,6 +92,13 @@ bool SerializeNotificationDatabaseData(const NotificationDatabaseData& input,
                       notification_data.data.size());
   }
 
+  for (const PlatformNotificationAction& action : notification_data.actions) {
+    NotificationDatabaseDataProto::NotificationAction* payload_action =
+        payload->add_actions();
+    payload_action->set_action(action.action);
+    payload_action->set_title(base::UTF16ToUTF8(action.title));
+  }
+
   NotificationDatabaseDataProto message;
   message.set_notification_id(input.notification_id);
   message.set_origin(input.origin.spec());