| // Copyright 2014 The Chromium Authors |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef CHROMECAST_BASE_METRICS_GROUPED_HISTOGRAM_H_ |
| #define CHROMECAST_BASE_METRICS_GROUPED_HISTOGRAM_H_ |
| |
| #include <string> |
| |
| namespace chromecast { |
| namespace metrics { |
| |
| // Registers a predefined list of histograms to be collected per-app. Must be |
| // called before any histograms of the same name are used or registration will |
| // fail. |
| void PreregisterAllGroupedHistograms(); |
| |
| // Sets the current app name to be used for subsequent grouped histogram |
| // samples (a new metric is generated with the app name as a suffix). |
| void TagAppStartForGroupedHistograms(const std::string& app_name); |
| |
| } // namespace metrics |
| } // namespace chromecast |
| |
| #endif // CHROMECAST_BASE_METRICS_GROUPED_HISTOGRAM_H_ |
