Move EntropyProvider Source From MetricsService to MetricsServicesManager

components/metrics_services_manager/metrics_services_manager.cc

 // 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_services_manager/metrics_services_manager.h"
 
 #include <utility>
 
 #include "base/logging.h"
 #include "components/metrics/metrics_service.h"
 #include "components/metrics/metrics_service_client.h"
 #include "components/metrics/metrics_state_manager.h"
 #include "components/metrics_services_manager/metrics_services_manager_client.h"
 #include "components/rappor/rappor_service.h"
 #include "components/variations/service/variations_service.h"
 
 namespace metrics_services_manager {
 
 MetricsServicesManager::MetricsServicesManager(
     std::unique_ptr<MetricsServicesManagerClient> client)
     : client_(std::move(client)), may_upload_(false), may_record_(false) {
   DCHECK(client_);
 }
 
 MetricsServicesManager::~MetricsServicesManager() {}
 
+std::unique_ptr<const base::FieldTrial::EntropyProvider>
+MetricsServicesManager::CreateEntropyProvider() {
+  return client_->CreateEntropyProvider();
+}
+
 metrics::MetricsService* MetricsServicesManager::GetMetricsService() {
   DCHECK(thread_checker_.CalledOnValidThread());
   return GetMetricsServiceClient()->GetMetricsService();
 }
 
 rappor::RapporService* MetricsServicesManager::GetRapporService() {
   DCHECK(thread_checker_.CalledOnValidThread());
   if (!rappor_service_) {
     rappor_service_ = client_->CreateRapporService();
     rappor_service_->Initialize(client_->GetURLRequestContext());
@@ skipping 78 matching lines @@
     recording_groups |= rappor::SAFEBROWSING_RAPPOR_GROUP;
 #endif  // defined(GOOGLE_CHROME_BUILD)
   GetRapporService()->Update(recording_groups, may_upload_);
 }
 
 void MetricsServicesManager::UpdateUploadPermissions(bool may_upload) {
   UpdatePermissions(client_->IsMetricsReportingEnabled(), may_upload);
 }
 
 }  // namespace metrics_services_manager