Instrumentation to debug actions memory leak.

components/metrics_services_manager/metrics_services_manager.cc

Index: components/metrics_services_manager/metrics_services_manager.cc
diff --git a/components/metrics_services_manager/metrics_services_manager.cc b/components/metrics_services_manager/metrics_services_manager.cc
index 0bd70581f815c7039ad76cac67df019eca127ba2..9d08493788551404cebc004b65c712b51c26776f 100644
--- a/components/metrics_services_manager/metrics_services_manager.cc
+++ b/components/metrics_services_manager/metrics_services_manager.cc
@@ -8,6 +8,7 @@
 
 #include "base/command_line.h"
 #include "base/logging.h"
+#include "base/metrics/histogram_macros.h"
 #include "components/metrics/metrics_service.h"
 #include "components/metrics/metrics_service_client.h"
 #include "components/metrics/metrics_state_manager.h"
@@ -83,6 +84,8 @@ MetricsServicesManager::GetMetricsServiceClient() {
 void MetricsServicesManager::UpdatePermissions(bool current_may_record,
                                                bool current_may_upload) {
   DCHECK(thread_checker_.CalledOnValidThread());
+  UMA_HISTOGRAM_BOOLEAN("UMA.Dbg.UpdatePermissions.may_record", current_may_record);
+  UMA_HISTOGRAM_BOOLEAN("UMA.Dbg.UpdatePermissions.may_upload", current_may_upload);
   // If the user has opted out of metrics, delete local UKM state.
   if (may_record_ && !current_may_record) {
     ukm::UkmService* ukm = GetUkmService();