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| 1 // Copyright 2014 The Chromium Authors. All rights reserved. | 1 // Copyright 2014 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #ifndef COMPONENTS_METRICS_METRICS_HASHES_H_ | 5 #ifndef COMPONENTS_METRICS_METRICS_HASHES_H_ |
| 6 #define COMPONENTS_METRICS_METRICS_HASHES_H_ | 6 #define COMPONENTS_METRICS_METRICS_HASHES_H_ |
| 7 | 7 |
| 8 #include <string> | 8 #include <string> |
| 9 | 9 |
| 10 #include "base/basictypes.h" | 10 #include "base/basictypes.h" |
| 11 | 11 |
| 12 namespace metrics { | 12 namespace metrics { |
| 13 | 13 |
| 14 // Computes a uint64 hash of a given string based on its MD5 hash. Suitable for | 14 // Computes a uint64 hash of a given string based on its MD5 hash. Suitable for |
| 15 // metric names. | 15 // metric names. |
| 16 uint64 HashMetricName(const std::string& name); | 16 uint64 HashMetricName(const std::string& name); |
| 17 | 17 |
| 18 // Computes the MD5 hash of the given string, and returns the first 8 bytes of |
| 19 // the hash. |
| 20 uint64 MetircsHash(const std::string& value); |
| 21 |
| 18 } // namespace metrics | 22 } // namespace metrics |
| 19 | 23 |
| 20 #endif // COMPONENTS_METRICS_METRICS_HASHES_H_ | 24 #endif // COMPONENTS_METRICS_METRICS_HASHES_H_ |
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Chromium Code Reviews
Issue 794493002:
Add UMA Histogram Manager to Cronet. (Closed)
Base URL: https://chromium.googlesource.com/chromium/src.git@master