Reporting: Cap number of clients in cache.

net/reporting/reporting_policy.cc

Index: net/reporting/reporting_policy.cc
diff --git a/net/reporting/reporting_policy.cc b/net/reporting/reporting_policy.cc
index 11f58fd087fa24ee9afded18c4b9115556678a9a..62b7f68ce56d908c6c222d7060bf289a60986e38 100644
--- a/net/reporting/reporting_policy.cc
+++ b/net/reporting/reporting_policy.cc
@@ -10,6 +10,7 @@ namespace net {
 
 ReportingPolicy::ReportingPolicy()
     : max_report_count(100u),
+      max_client_count(1000u),
       delivery_interval(base::TimeDelta::FromMinutes(1)),
       persistence_interval(base::TimeDelta::FromMinutes(1)),
       persist_reports_across_restarts(false),
@@ -30,6 +31,7 @@ ReportingPolicy::ReportingPolicy()
 
 ReportingPolicy::ReportingPolicy(const ReportingPolicy& other)
     : max_report_count(other.max_report_count),
+      max_client_count(other.max_client_count),
       delivery_interval(other.delivery_interval),
       endpoint_backoff_policy(other.endpoint_backoff_policy),
       persistence_interval(other.persistence_interval),