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// Copyright 2015 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 COMPONENTS_METRICS_STABILITY_METRICS_HELPER_H_
#define COMPONENTS_METRICS_STABILITY_METRICS_HELPER_H_
#include "base/macros.h"
#include "base/metrics/user_metrics.h"
#include "base/process/kill.h"
class PrefRegistrySimple;
class PrefService;
namespace metrics {
class SystemProfileProto;
// StabilityMetricsHelper is a class that providers functionality common to
// different embedders' stability metrics providers.
class StabilityMetricsHelper {
public:
explicit StabilityMetricsHelper(PrefService* local_state);
~StabilityMetricsHelper();
// Provides stability metrics.
void ProvideStabilityMetrics(SystemProfileProto* system_profile_proto);
// Clears the gathered stability metrics.
void ClearSavedStabilityMetrics();
// Records a browser child process crash.
void BrowserChildProcessCrashed();
// Logs the initiation of a page load.
void LogLoadStarted();
// Records a renderer process crash.
void LogRendererCrash(bool was_extension_process,
base::TerminationStatus status,
int exit_code);
// Records that a new renderer process was successfully launched.
void LogRendererLaunched(bool was_extension_process);
// Records a renderer process hang.
void LogRendererHang();
// Registers local state prefs used by this class.
static void RegisterPrefs(PrefRegistrySimple* registry);
private:
// Increment an Integer pref value specified by |path|.
void IncrementPrefValue(const char* path);
// Increment a 64-bit Integer pref value specified by |path|.
void IncrementLongPrefsValue(const char* path);
PrefService* local_state_;
DISALLOW_COPY_AND_ASSIGN(StabilityMetricsHelper);
};
} // namespace metrics
#endif // COMPONENTS_METRICS_STABILITY_METRICS_HELPER_H_
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