Switch UKM service to properly mark upload data as UKM and not UMA.

components/metrics/metrics_log_uploader.cc

 // 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.
 
 #include "components/metrics/metrics_log_uploader.h"
 
 namespace metrics {
 
 MetricsLogUploader::MetricsLogUploader(
     const std::string& server_url,
     const std::string& mime_type,
+    MetricServiceType service_type,
     const base::Callback<void(int)>& on_upload_complete)
     : server_url_(server_url),
       mime_type_(mime_type),
-      on_upload_complete_(on_upload_complete) {
-}
+      service_type_(service_type),
+      on_upload_complete_(on_upload_complete) {}
 
 MetricsLogUploader::~MetricsLogUploader() {
 }
 
 }  // namespace metrics