Create Ukm ReportingService implementation.

components/ukm/ukm_service.h

 // Copyright 2017 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_UKM_UKM_SERVICE_H_
 #define COMPONENTS_UKM_UKM_SERVICE_H_
 
 #include <stddef.h>
 #include <memory>
 #include <vector>
 
 #include "base/callback.h"
 #include "base/feature_list.h"
 #include "base/macros.h"
 #include "base/memory/weak_ptr.h"
 #include "base/threading/thread_checker.h"
 #include "build/build_config.h"
 #include "components/metrics/metrics_provider.h"
-#include "components/metrics/metrics_reporting_scheduler.h"
-#include "components/metrics/persisted_logs.h"
+#include "components/metrics/metrics_rotation_scheduler.h"
+#include "components/ukm/ukm_reporting_service.h"
 #include "url/gurl.h"
 
 class PrefRegistrySimple;
 class PrefService;
 class UkmPageLoadMetricsObserver;
 
 namespace autofill {
 class AutofillMetrics;
 }  // namespace autofill
 
 namespace metrics {
-class MetricsLogUploader;
 class MetricsServiceClient;
 }
 
 namespace ukm {
 
 class UkmEntry;
 class UkmEntryBuilder;
 class UkmSource;
 
 // This feature controls whether UkmService should be created.
@@ skipping 119 matching lines @@
   // The UKM session id stored in prefs.
   int32_t session_id_;
 
   // Used to interact with the embedder. Weak pointer; must outlive |this|
   // instance.
   metrics::MetricsServiceClient* const client_;
 
   // Registered metrics providers.
   std::vector<std::unique_ptr<metrics::MetricsProvider>> metrics_providers_;
 
-  // Logs that have not yet been sent.
-  metrics::PersistedLogs persisted_logs_;
+  // Log reporting service.
+  ukm::UkmReportingService reporting_service_;
 
   // The scheduler for determining when uploads should happen.
-  std::unique_ptr<metrics::MetricsReportingScheduler> scheduler_;
+  std::unique_ptr<metrics::MetricsRotationScheduler> scheduler_;
 
   base::ThreadChecker thread_checker_;
 
-  // Instance of the helper class for uploading logs.
-  std::unique_ptr<metrics::MetricsLogUploader> log_uploader_;
-
   bool initialize_started_;
   bool initialize_complete_;
-  bool log_upload_in_progress_;
 
   // Contains newly added sources and entries of UKM metrics which periodically
   // get serialized and cleared by BuildAndStoreLog().
   std::map<int32_t, std::unique_ptr<UkmSource>> sources_;
   std::vector<std::unique_ptr<UkmEntry>> entries_;
 
   // Weak pointers factory used to post task on different threads. All weak
   // pointers managed by this factory have the same lifetime as UkmService.
   base::WeakPtrFactory<UkmService> self_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(UkmService);
 };
 
 }  // namespace ukm
 
 #endif  // COMPONENTS_UKM_UKM_SERVICE_H_