Remove old-format PersistedLogs support

components/metrics/metrics_log_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/metrics_log_manager.h"
 
 #include <algorithm>
 #include <utility>
 
 #include "base/strings/string_util.h"
@@ skipping 27 matching lines @@
 
 }  // namespace
 
 MetricsLogManager::MetricsLogManager(PrefService* local_state,
                                      size_t max_ongoing_log_size)
     : unsent_logs_loaded_(false),
       initial_log_queue_(std::unique_ptr<PersistedLogsMetricsImpl>(
                              new PersistedLogsMetricsImpl()),
                          local_state,
                          prefs::kMetricsInitialLogs,
-                         prefs::kDeprecatedMetricsInitialLogs,
                          kInitialLogsPersistLimit,
                          kStorageByteLimitPerLogType,
                          0),
       ongoing_log_queue_(std::unique_ptr<PersistedLogsMetricsImpl>(
                              new PersistedLogsMetricsImpl()),
                          local_state,
                          prefs::kMetricsOngoingLogs,
-                         prefs::kDeprecatedMetricsOngoingLogs,
                          kOngoingLogsPersistLimit,
                          kStorageByteLimitPerLogType,
                          max_ongoing_log_size) {}
 
 MetricsLogManager::~MetricsLogManager() {}
 
 void MetricsLogManager::BeginLoggingWithLog(std::unique_ptr<MetricsLog> log) {
   DCHECK(!current_log_);
   current_log_ = std::move(log);
 }
@@ skipping 61 matching lines @@
   ongoing_log_queue_.SerializeLogs();
 }
 
 void MetricsLogManager::LoadPersistedUnsentLogs() {
   initial_log_queue_.DeserializeLogs();
   ongoing_log_queue_.DeserializeLogs();
   unsent_logs_loaded_ = true;
 }
 
 }  // namespace metrics