Track network stack error codes from UMA and UKM

components/metrics/reporting_service.cc

Index: components/metrics/reporting_service.cc
diff --git a/components/metrics/reporting_service.cc b/components/metrics/reporting_service.cc
index fcff1f7f35719901baae1711ce303b4c57408182..4b1515e8b82e3fb00f966a9b7745c465be24f6cd 100644
--- a/components/metrics/reporting_service.cc
+++ b/components/metrics/reporting_service.cc
@@ -154,7 +154,7 @@ void ReportingService::SendStagedLog() {
   log_uploader_->UploadLog(log_store()->staged_log(), hash);
 }
 
-void ReportingService::OnLogUploadComplete(int response_code) {
+void ReportingService::OnLogUploadComplete(int response_code, int error_code) {
   DVLOG(1) << "OnLogUploadComplete:" << response_code;
   DCHECK(thread_checker_.CalledOnValidThread());
   DCHECK(log_upload_in_progress_);
@@ -162,6 +162,8 @@ void ReportingService::OnLogUploadComplete(int response_code) {
 
   // Log a histogram to track response success vs. failure rates.
   LogResponseCode(response_code);
+  if (error_code)
+    LogErrorCode(error_code);
 
   bool upload_succeeded = response_code == 200;