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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 // This file defines a service that collects information about the user | 5 // This file defines a service that collects information about the user |
| 6 // experience in order to help improve future versions of the app. | 6 // experience in order to help improve future versions of the app. |
| 7 | 7 |
| 8 #ifndef COMPONENTS_METRICS_METRICS_SERVICE_H_ | 8 #ifndef COMPONENTS_METRICS_METRICS_SERVICE_H_ |
| 9 #define COMPONENTS_METRICS_METRICS_SERVICE_H_ | 9 #define COMPONENTS_METRICS_METRICS_SERVICE_H_ |
| 10 | 10 |
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| 354 void OnLogUploadComplete(int response_code); | 354 void OnLogUploadComplete(int response_code); |
| 355 | 355 |
| 356 // Reads, increments and then sets the specified integer preference. | 356 // Reads, increments and then sets the specified integer preference. |
| 357 void IncrementPrefValue(const char* path); | 357 void IncrementPrefValue(const char* path); |
| 358 | 358 |
| 359 // Reads, increments and then sets the specified long preference that is | 359 // Reads, increments and then sets the specified long preference that is |
| 360 // stored as a string. | 360 // stored as a string. |
| 361 void IncrementLongPrefsValue(const char* path); | 361 void IncrementLongPrefsValue(const char* path); |
| 362 | 362 |
| 363 // Records that the browser was shut down cleanly. | 363 // Records that the browser was shut down cleanly. |
| 364 void LogCleanShutdown(); | 364 void LogCleanShutdown(bool end_completed); |
| 365 | 365 |
| 366 // Records state that should be periodically saved, like uptime and | 366 // Records state that should be periodically saved, like uptime and |
| 367 // buffered plugin stability statistics. | 367 // buffered plugin stability statistics. |
| 368 void RecordCurrentState(PrefService* pref); | 368 void RecordCurrentState(PrefService* pref); |
| 369 | 369 |
| 370 // Sets the value of the specified path in prefs and schedules a save. | |
| 371 void RecordBooleanPrefValue(const char* path, bool value); | |
| 372 | |
| 373 // Notifies observers on a synthetic trial list change. | 370 // Notifies observers on a synthetic trial list change. |
| 374 void NotifySyntheticTrialObservers(); | 371 void NotifySyntheticTrialObservers(); |
| 375 | 372 |
| 376 // Returns a list of synthetic field trials that are older than |time|. | 373 // Returns a list of synthetic field trials that are older than |time|. |
| 377 void GetSyntheticFieldTrialsOlderThan( | 374 void GetSyntheticFieldTrialsOlderThan( |
| 378 base::TimeTicks time, | 375 base::TimeTicks time, |
| 379 std::vector<variations::ActiveGroupId>* synthetic_trials); | 376 std::vector<variations::ActiveGroupId>* synthetic_trials); |
| 380 | 377 |
| 381 // Creates a new MetricsLog instance with the given |log_type|. | 378 // Creates a new MetricsLog instance with the given |log_type|. |
| 382 std::unique_ptr<MetricsLog> CreateLog(MetricsLog::LogType log_type); | 379 std::unique_ptr<MetricsLog> CreateLog(MetricsLog::LogType log_type); |
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| 491 // Weak pointers factory used for saving state. All weak pointers managed by | 488 // Weak pointers factory used for saving state. All weak pointers managed by |
| 492 // this factory are invalidated in ScheduleNextStateSave. | 489 // this factory are invalidated in ScheduleNextStateSave. |
| 493 base::WeakPtrFactory<MetricsService> state_saver_factory_; | 490 base::WeakPtrFactory<MetricsService> state_saver_factory_; |
| 494 | 491 |
| 495 DISALLOW_COPY_AND_ASSIGN(MetricsService); | 492 DISALLOW_COPY_AND_ASSIGN(MetricsService); |
| 496 }; | 493 }; |
| 497 | 494 |
| 498 } // namespace metrics | 495 } // namespace metrics |
| 499 | 496 |
| 500 #endif // COMPONENTS_METRICS_METRICS_SERVICE_H_ | 497 #endif // COMPONENTS_METRICS_METRICS_SERVICE_H_ |
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