Track network stack error codes from UMA and UKM

android_webview/native/aw_metrics_log_uploader.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.
 
 #ifndef ANDROID_WEBVIEW_NATIVE_AW_METRICS_LOG_UPLOADER_H_
 #define ANDROID_WEBVIEW_NATIVE_AW_METRICS_LOG_UPLOADER_H_
 
 #include <jni.h>
 #include <string>
 
 #include "components/metrics/metrics_log_uploader.h"
 
 namespace android_webview {
 
 // Uploads UMA logs for WebView using the platform logging mechanism.
 class AwMetricsLogUploader : public ::metrics::MetricsLogUploader {
  public:
   explicit AwMetricsLogUploader(
-      const base::Callback<void(int)>& on_upload_complete);
+      const ::metrics::MetricsLogUploader::UploadCallback& on_upload_complete);
 
   ~AwMetricsLogUploader() override;
 
   // ::metrics::MetricsLogUploader:
   void UploadLog(const std::string& compressed_log_data,
                  const std::string& log_hash) override;
 
  private:
-  const base::Callback<void(int)> on_upload_complete_;
+  const metrics::MetricsLogUploader::UploadCallback on_upload_complete_;
 
   DISALLOW_COPY_AND_ASSIGN(AwMetricsLogUploader);
 };
 
 }  // namespace android_webview
 
 #endif  // ANDROID_WEBVIEW_NATIVE_AW_METRICS_LOG_UPLOADER_H_