Track network stack error codes from UMA and UKM

components/metrics/reporting_service.h

Index: components/metrics/reporting_service.h
diff --git a/components/metrics/reporting_service.h b/components/metrics/reporting_service.h
index 03bf7a90c71787176adc92c889febab23c0a31fb..cf685e28c0d7bf5c934351f83d2fce4e598f0c74 100644
--- a/components/metrics/reporting_service.h
+++ b/components/metrics/reporting_service.h
@@ -90,6 +90,7 @@ class ReportingService {
   virtual void LogActualUploadInterval(base::TimeDelta interval) {}
   virtual void LogCellularConstraint(bool upload_canceled) {}
   virtual void LogResponseCode(int response_code) {}
+  virtual void LogErrorCode(int error_code) {}
   virtual void LogSuccess(size_t log_size) {}
   virtual void LogLargeRejection(size_t log_size) {}
 
@@ -101,7 +102,7 @@ class ReportingService {
   void SendStagedLog();
 
   // Called after transmission completes (either successfully or with failure).
-  void OnLogUploadComplete(int response_code);
+  void OnLogUploadComplete(int response_code, int error_code);
 
   // Used to interact with the embedder. Weak pointer; must outlive |this|
   // instance.