|  | // Copyright 2013 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_TEST_PERF_LOG_H_ | 
|  | #define BASE_TEST_PERF_LOG_H_ | 
|  |  | 
|  | namespace base { | 
|  |  | 
|  | class FilePath; | 
|  |  | 
|  | // Initializes and finalizes the perf log. These functions should be | 
|  | // called at the beginning and end (respectively) of running all the | 
|  | // performance tests. The init function returns true on success. | 
|  | bool InitPerfLog(const FilePath& log_path); | 
|  | void FinalizePerfLog(); | 
|  |  | 
|  | // Writes to the perf result log the given 'value' resulting from the | 
|  | // named 'test'. The units are to aid in reading the log by people. | 
|  | void LogPerfResult(const char* test_name, double value, const char* units); | 
|  |  | 
|  | }  // namespace base | 
|  |  | 
|  | #endif  // BASE_TEST_PERF_LOG_H_ |