Replace 2 histograms with Variations.SeedFetchResponseOrErrorCode.

components/variations/service/variations_service.cc

Index: components/variations/service/variations_service.cc
diff --git a/components/variations/service/variations_service.cc b/components/variations/service/variations_service.cc
index 7d32630dbae236b143ebcb44a671a055e3c8c9f3..8f5d5df8efa9dd05531706b0d24c1e4728aca493 100644
--- a/components/variations/service/variations_service.cc
+++ b/components/variations/service/variations_service.cc
@@ -644,13 +644,15 @@ void VariationsService::OnURLFetchComplete(const net::URLFetcher* source) {
   // The fetcher will be deleted when the request is handled.
   std::unique_ptr<const net::URLFetcher> request(
       pending_seed_request_.release());
-  const net::URLRequestStatus& request_status = request->GetStatus();
-  if (request_status.status() != net::URLRequestStatus::SUCCESS) {
-    UMA_HISTOGRAM_SPARSE_SLOWLY("Variations.FailedRequestErrorCode",
-                                -request_status.error());
+  const net::URLRequestStatus& status = request->GetStatus();
+  const int response_code = request->GetResponseCode();
+  UMA_HISTOGRAM_SPARSE_SLOWLY(
+      "Variations.SeedFetchResponseOrErrorCode",
+      status.is_success() ? response_code : status.error());
+
+  if (status.status() != net::URLRequestStatus::SUCCESS) {
     DVLOG(1) << "Variations server request failed with error: "
-             << request_status.error() << ": "
-             << net::ErrorToString(request_status.error());
+             << status.error() << ": " << net::ErrorToString(status.error());
     // It's common for the very first fetch attempt to fail (e.g. the network
     // may not yet be available). In such a case, try again soon, rather than
     // waiting the full time interval.
@@ -659,11 +661,6 @@ void VariationsService::OnURLFetchComplete(const net::URLFetcher* source) {
     return;
   }
 
-  // Log the response code.
-  const int response_code = request->GetResponseCode();
-  UMA_HISTOGRAM_SPARSE_SLOWLY("Variations.SeedFetchResponseCode",
-                              response_code);
-
   const base::TimeDelta latency =
       base::TimeTicks::Now() - last_request_started_time_;