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| 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 | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #ifndef CHROMECAST_METRICS_CAST_STABILITY_METRICS_PROVIDER_H_ | |
| 6 #define CHROMECAST_METRICS_CAST_STABILITY_METRICS_PROVIDER_H_ | |
| 7 | |
| 8 #include "base/basictypes.h" | |
| 9 #include "base/metrics/user_metrics.h" | |
| 10 #include "base/process/kill.h" | |
| 11 #include "components/metrics/metrics_provider.h" | |
| 12 #include "content/public/browser/browser_child_process_observer.h" | |
| 13 #include "content/public/browser/notification_observer.h" | |
| 14 #include "content/public/browser/notification_registrar.h" | |
| 15 | |
| 16 class MetricsService; | |
| 17 class PrefRegistrySimple; | |
| 18 | |
| 19 namespace content { | |
| 20 class RenderProcessHost; | |
| 21 class WebContents; | |
| 22 } | |
| 23 | |
| 24 namespace chromecast { | |
| 25 namespace metrics { | |
| 26 | |
| 27 // CastStabilityMetricsProvider gathers and logs stability-related metrics. | |
| 28 // Loosely based on ChromeStabilityMetricsProvider from chrome/browser/metrics. | |
| 29 class CastStabilityMetricsProvider | |
| 30 : public ::metrics::MetricsProvider, | |
| 31 public content::BrowserChildProcessObserver, | |
| 32 public content::NotificationObserver { | |
| 33 public: | |
| 34 // Registers local state prefs used by this class. | |
| 35 static void RegisterPrefs(PrefRegistrySimple* registry); | |
| 36 | |
| 37 CastStabilityMetricsProvider(); | |
| 38 virtual ~CastStabilityMetricsProvider(); | |
| 39 | |
| 40 // metrics::MetricsDataProvider implementation: | |
| 41 virtual void OnRecordingEnabled() override; | |
| 42 virtual void OnRecordingDisabled() override; | |
| 43 virtual void ProvideStabilityMetrics( | |
| 44 ::metrics::SystemProfileProto* system_profile_proto) override; | |
| 45 | |
| 46 private: | |
| 47 // content::NotificationObserver implementation: | |
| 48 virtual void Observe(int type, | |
| 49 const content::NotificationSource& source, | |
| 50 const content::NotificationDetails& details) override; | |
| 51 | |
| 52 // content::BrowserChildProcessObserver implementation: | |
| 53 virtual void BrowserChildProcessCrashed( | |
| 54 const content::ChildProcessData& data) override; | |
| 55 | |
| 56 // Records a renderer process crash. | |
| 57 void LogRendererCrash(content::RenderProcessHost* host, | |
| 58 base::TerminationStatus status, | |
| 59 int exit_code); | |
| 60 | |
| 61 // Records a renderer process hang. | |
| 62 void LogRendererHang(); | |
| 63 | |
| 64 // Registrar for receiving stability-related notifications. | |
| 65 content::NotificationRegistrar registrar_; | |
| 66 | |
| 67 DISALLOW_COPY_AND_ASSIGN(CastStabilityMetricsProvider); | |
| 68 }; | |
| 69 | |
| 70 } // namespace metrics | |
| 71 } // namespace chromecast | |
| 72 | |
| 73 #endif // CHROMECAST_METRICS_CAST_STABILITY_METRICS_PROVIDER_H_ | |
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Chromium Code Reviews
Issue 638803002:
Reorganizes Chromecast code to better reflect functional dependencies. (Closed)
Base URL: https://chromium.googlesource.com/chromium/src.git@master