Reporting: Cap number of reports in cache.

net/reporting/reporting_policy.cc

 // 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.
 
 #include "net/reporting/reporting_policy.h"
 
 #include "base/time/time.h"
 
 namespace net {
 
 ReportingPolicy::ReportingPolicy()
-    : delivery_interval(base::TimeDelta::FromMinutes(1)),
+    : max_report_count(100u),
+      delivery_interval(base::TimeDelta::FromMinutes(1)),
       persistence_interval(base::TimeDelta::FromMinutes(1)),
       persist_reports_across_restarts(false),
       persist_clients_across_restarts(true),
       garbage_collection_interval(base::TimeDelta::FromMinutes(5)),
       max_report_age(base::TimeDelta::FromMinutes(15)),
       max_report_attempts(5),
       clear_reports_on_network_changes(true),
       clear_clients_on_network_changes(false) {
   endpoint_backoff_policy.num_errors_to_ignore = 0;
   endpoint_backoff_policy.initial_delay_ms = 60 * 1000;  // 1 minute
   endpoint_backoff_policy.multiply_factor = 2.0;
   endpoint_backoff_policy.jitter_factor = 0.1;
   endpoint_backoff_policy.maximum_backoff_ms = -1;  // 1 hour
   endpoint_backoff_policy.entry_lifetime_ms = -1;   // infinite
   endpoint_backoff_policy.always_use_initial_delay = false;
 }
 
 ReportingPolicy::ReportingPolicy(const ReportingPolicy& other)
-    : delivery_interval(base::TimeDelta::FromMinutes(1)),
+    : max_report_count(other.max_report_count),
+      delivery_interval(other.delivery_interval),
       endpoint_backoff_policy(other.endpoint_backoff_policy),
       persistence_interval(other.persistence_interval),
       persist_reports_across_restarts(other.persist_reports_across_restarts),
       persist_clients_across_restarts(other.persist_clients_across_restarts),
       garbage_collection_interval(other.garbage_collection_interval),
       max_report_age(other.max_report_age),
       max_report_attempts(other.max_report_attempts),
       clear_reports_on_network_changes(other.clear_reports_on_network_changes),
       clear_clients_on_network_changes(other.clear_clients_on_network_changes) {
 }
 
 ReportingPolicy::~ReportingPolicy() {}
 
 }  // namespace net