|  | // Copyright 2014 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 BASE_METRICS_METRICS_HASHES_H_ | 
|  | #define BASE_METRICS_METRICS_HASHES_H_ | 
|  |  | 
|  | #include <stdint.h> | 
|  |  | 
|  | #include "base/base_export.h" | 
|  | #include "base/strings/string_piece.h" | 
|  |  | 
|  | namespace base { | 
|  |  | 
|  | // Computes a uint64_t hash of a given string based on its MD5 hash. Suitable | 
|  | // for metric names. | 
|  | BASE_EXPORT uint64_t HashMetricName(base::StringPiece name); | 
|  |  | 
|  | }  // namespace metrics | 
|  |  | 
|  | #endif  // BASE_METRICS_METRICS_HASHES_H_ |