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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_PROVIDER_H_ | 5 #ifndef COMPONENTS_METRICS_METRICS_PROVIDER_H_ |
6 #define COMPONENTS_METRICS_METRICS_PROVIDER_H_ | 6 #define COMPONENTS_METRICS_METRICS_PROVIDER_H_ |
7 | 7 |
8 #include "base/basictypes.h" | 8 #include "base/basictypes.h" |
9 | 9 |
10 namespace metrics { | 10 namespace metrics { |
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26 // Called when metrics recording has been enabled. | 26 // Called when metrics recording has been enabled. |
27 virtual void OnRecordingEnabled() {} | 27 virtual void OnRecordingEnabled() {} |
28 | 28 |
29 // Called when metrics recording has been disabled. | 29 // Called when metrics recording has been disabled. |
30 virtual void OnRecordingDisabled() {} | 30 virtual void OnRecordingDisabled() {} |
31 | 31 |
32 // Provides additional metrics into the system profile. | 32 // Provides additional metrics into the system profile. |
33 virtual void ProvideSystemProfileMetrics( | 33 virtual void ProvideSystemProfileMetrics( |
34 SystemProfileProto* system_profile_proto) {} | 34 SystemProfileProto* system_profile_proto) {} |
35 | 35 |
| 36 // Called once at startup to see whether this provider has stability events |
| 37 // to share. |
| 38 virtual bool HasStabilityMetrics() { return false; } |
| 39 |
36 // Provides additional stability metrics. Stability metrics can be provided | 40 // Provides additional stability metrics. Stability metrics can be provided |
37 // directly into |stability_proto| fields or by logging stability histograms | 41 // directly into |stability_proto| fields or by logging stability histograms |
38 // via the UMA_STABILITY_HISTOGRAM_ENUMERATION() macro. | 42 // via the UMA_STABILITY_HISTOGRAM_ENUMERATION() macro. |
39 virtual void ProvideStabilityMetrics( | 43 virtual void ProvideStabilityMetrics( |
40 SystemProfileProto* system_profile_proto) {} | 44 SystemProfileProto* system_profile_proto) {} |
41 | 45 |
42 // Provides general metrics that are neither system profile nor stability | 46 // Provides general metrics that are neither system profile nor stability |
43 // metrics. | 47 // metrics. |
44 virtual void ProvideGeneralMetrics( | 48 virtual void ProvideGeneralMetrics( |
45 ChromeUserMetricsExtension* uma_proto) {} | 49 ChromeUserMetricsExtension* uma_proto) {} |
46 | 50 |
47 private: | 51 private: |
48 DISALLOW_COPY_AND_ASSIGN(MetricsProvider); | 52 DISALLOW_COPY_AND_ASSIGN(MetricsProvider); |
49 }; | 53 }; |
50 | 54 |
51 } // namespace metrics | 55 } // namespace metrics |
52 | 56 |
53 #endif // COMPONENTS_METRICS_METRICS_PROVIDER_H_ | 57 #endif // COMPONENTS_METRICS_METRICS_PROVIDER_H_ |
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