// 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::OnClientStateCleared() {} void MetricsProvider::OnAppEnterBackground() { } bool MetricsProvider::HasIndependentMetrics() { return false; } void MetricsProvider::ProvideIndependentMetrics( base::OnceCallback 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::ProvideCurrentSessionUKMData() {} 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