// Copyright 2018 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. #ifndef COMPONENTS_METRICS_PERSISTENT_HISTOGRAMS_H_ #define COMPONENTS_METRICS_PERSISTENT_HISTOGRAMS_H_ #include "base/files/file_path.h" // Persistent browser metrics need to be persisted somewhere. This constant // provides a known string to be used for both the allocator's internal name // and for a file on disk (relative to metrics_dir) to which they // can be saved. This is exported so the name can also be used as a "pref" // during configuration. extern const char kBrowserMetricsName[]; // Do all the checking and work necessary to enable persistent histograms. void InstantiatePersistentHistograms(const base::FilePath& metrics_dir); #endif // COMPONENTS_METRICS_PERSISTENT_HISTOGRAMS_H_