IPH - connect data saver previews

components/feature_engagement_tracker/internal/event_constants.cc

+/// Copyright 2017 The Chromium Authors. All rights reserved.

[gone, 2017/04/18 21:05:19]

Thou shalt count to three slashes, no more, no less.  Three shall be the number
thou shalt count, neither count thou two, excepting that thou then proceed to
three.  Five is right out.

[David Trainor- moved to gerrit, 2017/04/25 05:01:05]

'Tis but a scratch!

+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "components/feature_engagement_tracker/public/event_constants.h"
+
+namespace feature_engagement_tracker {
+
+const char kIPHEventDataSaverPreviewOpened[] = "data_saver_preview_opened";
+
+}  // namespace feature_engagement_tracker