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// Copyright 2014 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.
#include "components/metrics/metrics_provider.h"
#include "base/notreached.h"
#include "third_party/metrics_proto/chrome_user_metrics_extension.pb.h"
namespace metrics {
MetricsProvider::MetricsProvider() {
}
MetricsProvider::~MetricsProvider() {
}
void MetricsProvider::Init() {
}
void MetricsProvider::AsyncInit(base::OnceClosure done_callback) {
std::move(done_callback).Run();
}
void MetricsProvider::OnDidCreateMetricsLog() {
}
void MetricsProvider::OnRecordingEnabled() {
}
void MetricsProvider::OnRecordingDisabled() {
}
void MetricsProvider::OnAppEnterBackground() {
}
bool MetricsProvider::HasIndependentMetrics() {
return false;
}
void MetricsProvider::ProvideIndependentMetrics(
base::OnceCallback<void(bool)> done_callback,
ChromeUserMetricsExtension* uma_proto,
base::HistogramSnapshotManager* snapshot_manager) {
// Either the method HasIndependentMetrics() has been overridden and this
// method has not, or this method being called without regard to Has().
// Both are wrong.
NOTREACHED();
}
void MetricsProvider::ProvideSystemProfileMetrics(
SystemProfileProto* system_profile_proto) {}
void MetricsProvider::ProvideSystemProfileMetricsWithLogCreationTime(
base::TimeTicks log_creation_time,
SystemProfileProto* system_profile_proto) {
ProvideSystemProfileMetrics(system_profile_proto);
}
bool MetricsProvider::HasPreviousSessionData() {
return false;
}
void MetricsProvider::ProvidePreviousSessionData(
ChromeUserMetricsExtension* uma_proto) {
ProvideStabilityMetrics(uma_proto->mutable_system_profile());
}
void MetricsProvider::ProvideCurrentSessionData(
ChromeUserMetricsExtension* uma_proto) {
ProvideStabilityMetrics(uma_proto->mutable_system_profile());
}
void MetricsProvider::ProvideStabilityMetrics(
SystemProfileProto* system_profile_proto) {
}
void MetricsProvider::ClearSavedStabilityMetrics() {
}
void MetricsProvider::RecordHistogramSnapshots(
base::HistogramSnapshotManager* snapshot_manager) {
}
void MetricsProvider::RecordInitialHistogramSnapshots(
base::HistogramSnapshotManager* snapshot_manager) {
}
} // namespace metrics
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