Track network stack error codes from UMA and UKM

components/metrics/metrics_service_client.h

 // Copyright 2014 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.
 
 #ifndef COMPONENTS_METRICS_METRICS_SERVICE_CLIENT_H_
 #define COMPONENTS_METRICS_METRICS_SERVICE_CLIENT_H_
 
 #include <stdint.h>
 
 #include <memory>
@@ skipping 79 matching lines @@
 
   // Get the URL of the metrics server.
   virtual std::string GetMetricsServerUrl();
 
   // Creates a MetricsLogUploader with the specified parameters (see comments on
   // MetricsLogUploader for details).
   virtual std::unique_ptr<MetricsLogUploader> CreateUploader(
       base::StringPiece server_url,
       base::StringPiece mime_type,
       metrics::MetricsLogUploader::MetricServiceType service_type,
-      const base::Callback<void(int)>& on_upload_complete) = 0;
+      const MetricsLogUploader::UploadCallback& on_upload_complete) = 0;
 
   // Returns the standard interval between upload attempts.
   virtual base::TimeDelta GetStandardUploadInterval() = 0;
 
   // Returns the name of a key under HKEY_CURRENT_USER that can be used to store
   // backups of metrics data. Unused except on Windows.
   virtual base::string16 GetRegistryBackupKey();
 
   // Called on plugin loading errors.
   virtual void OnPluginLoadingError(const base::FilePath& plugin_path) {}
@@ skipping 25 matching lines @@
 
  private:
   base::Closure update_running_services_;
 
   DISALLOW_COPY_AND_ASSIGN(MetricsServiceClient);
 };
 
 }  // namespace metrics
 
 #endif  // COMPONENTS_METRICS_METRICS_SERVICE_CLIENT_H_