Track network stack error codes from UMA and UKM

components/metrics/reporting_service.h

 // 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.
 
 // This file defines a service that sends metrics logs to a server.
 
 #ifndef COMPONENTS_METRICS_REPORTING_SERVICE_H_
 #define COMPONENTS_METRICS_REPORTING_SERVICE_H_
 
 #include <stdint.h>
@@ skipping 71 matching lines @@
   virtual LogStore* log_store() = 0;
 
   // Getters for MetricsLogUploader parameters.
   virtual std::string GetUploadUrl() const = 0;
   virtual base::StringPiece upload_mime_type() const = 0;
   virtual MetricsLogUploader::MetricServiceType service_type() const = 0;
 
   // Methods for recording data to histograms.
   virtual void LogActualUploadInterval(base::TimeDelta interval) {}
   virtual void LogCellularConstraint(bool upload_canceled) {}
-  virtual void LogResponseCode(int response_code) {}
+  virtual void LogResponseOrErrorCode(int response_code, int error_code) {}
   virtual void LogSuccess(size_t log_size) {}
   virtual void LogLargeRejection(size_t log_size) {}
 
   // If recording is enabled, begins uploading the next completed log from
   // the log manager, staging it if necessary.
   void SendNextLog();
 
   // Uploads the currently staged log (which must be non-null).
   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.
   MetricsServiceClient* const client_;
 
   // Largest log size to attempt to retransmit.
   size_t max_retransmit_size_;
 
   // Indicate whether recording and reporting are currently happening.
   // These should not be set directly, but by calling SetRecording and
@@ skipping 22 matching lines @@
   // pointers managed by this factory have the same lifetime as
   // ReportingService.
   base::WeakPtrFactory<ReportingService> self_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(ReportingService);
 };
 
 }  // namespace metrics
 
 #endif  // COMPONENTS_METRICS_REPORTING_SERVICE_H_