Track network stack error codes from UMA and UKM

android_webview/native/aw_metrics_log_uploader.cc

Index: android_webview/native/aw_metrics_log_uploader.cc
diff --git a/android_webview/native/aw_metrics_log_uploader.cc b/android_webview/native/aw_metrics_log_uploader.cc
index 3e47f1ae426a1047298ad2c0f49fbc262fa158a1..fb714b8b1a42fa0f284609cc1bc120b01e1b8e4a 100644
--- a/android_webview/native/aw_metrics_log_uploader.cc
+++ b/android_webview/native/aw_metrics_log_uploader.cc
@@ -14,7 +14,7 @@ using base::android::ToJavaByteArray;
 namespace android_webview {
 
 AwMetricsLogUploader::AwMetricsLogUploader(
-    const base::Callback<void(int)>& on_upload_complete)
+    const metrics::MetricsLogUploader::UploadCallback& on_upload_complete)
     : on_upload_complete_(on_upload_complete) {}
 
 AwMetricsLogUploader::~AwMetricsLogUploader() {}
@@ -27,7 +27,7 @@ void AwMetricsLogUploader::UploadLog(const std::string& compressed_log_data,
   std::string log_data;
   if (!metrics::DecodeLogData(compressed_log_data, &log_data)) {
     // If the log is corrupt, pretend the server rejected it (HTTP Bad Request).
-    on_upload_complete_.Run(400);
+    on_upload_complete_.Run(400, 0);
     return;
   }
 
@@ -38,8 +38,8 @@ void AwMetricsLogUploader::UploadLog(const std::string& compressed_log_data,
 
   // The platform mechanism doesn't provide a response code or any way to handle
   // failures, so we have nothing to pass to on_upload_complete. Just pass 200
-  // (HTTP OK) and pretend everything is peachy.
-  on_upload_complete_.Run(200);
+  // (HTTP OK) with error code 0 and pretend everything is peachy.
+  on_upload_complete_.Run(200, 0);
 }
 
 }  // namespace android_webview