// Copyright 2015 The Chromium Authors // Use of this source code is governed by a BSD-style license that can be // found in the LICENSE file. #ifndef COMPONENTS_SITE_ENGAGEMENT_CONTENT_ENGAGEMENT_TYPE_H_ #define COMPONENTS_SITE_ENGAGEMENT_CONTENT_ENGAGEMENT_TYPE_H_ namespace site_engagement { // This is used to back a UMA histogram, so it should be treated as // append-only. Any new values should be inserted immediately prior to // kLast and added to SiteEngagementServiceEngagementType in // tools/metrics/histograms/enums.xml. // TODO(calamity): Document each of these engagement types. enum class EngagementType { … }; } // namespace site_engagement #endif // COMPONENTS_SITE_ENGAGEMENT_CONTENT_ENGAGEMENT_TYPE_H_