IPH - connect data saver previews

components/feature_engagement_tracker/internal/feature_list.cc

 /// Copyright 2017 The Chromium Authors. All rights reserved.
 // 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/internal/feature_list.h"
 
 #include "base/feature_list.h"
 #include "components/feature_engagement_tracker/public/feature_constants.h"
 
 namespace feature_engagement_tracker {
 
 namespace {
 
-const base::Feature* kAllFeatures[] = {&kIPHDownloadPageFeature,
-                                       &kIPHDownloadHomeFeature};
+const base::Feature* kAllFeatures[] = {
+    &kIPHDataSaverPreview, &kIPHDownloadPageFeature, &kIPHDownloadHomeFeature};
 
 }  // namespace
 
 std::vector<const base::Feature*> GetAllFeatures() {
   return std::vector<const base::Feature*>(
       kAllFeatures, kAllFeatures + arraysize(kAllFeatures));
 }
 
 }  // namespace feature_engagement_tracker