| // 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 "third_party/metrics_proto/chrome_user_metrics_extension.pb.h" |
| |
| namespace metrics { |
| |
| MetricsProvider::MetricsProvider() { |
| } |
| |
| MetricsProvider::~MetricsProvider() { |
| } |
| |
| void MetricsProvider::Init() { |
| } |
| |
| void MetricsProvider::AsyncInit(const base::Closure& done_callback) { |
| done_callback.Run(); |
| } |
| |
| void MetricsProvider::OnDidCreateMetricsLog() { |
| } |
| |
| void MetricsProvider::OnRecordingEnabled() { |
| } |
| |
| void MetricsProvider::OnRecordingDisabled() { |
| } |
| |
| void MetricsProvider::OnAppEnterBackground() { |
| } |
| |
| bool MetricsProvider::ProvideIndependentMetrics( |
| SystemProfileProto* system_profile_proto, |
| base::HistogramSnapshotManager* snapshot_manager) { |
| return false; |
| } |
| |
| void MetricsProvider::ProvideSystemProfileMetrics( |
| SystemProfileProto* 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 |