Add server_url and mime_type params to CreateUploader.

components/metrics/metrics_service.cc

Index: components/metrics/metrics_service.cc
diff --git a/components/metrics/metrics_service.cc b/components/metrics/metrics_service.cc
index e30aa750860cb283116c927d8b334ce1bf36ae65..77ca8bfbae569e538140ae5c356ea8a17634a725 100644
--- a/components/metrics/metrics_service.cc
+++ b/components/metrics/metrics_service.cc
@@ -159,6 +159,7 @@
 #include "components/metrics/metrics_reporting_scheduler.h"
 #include "components/metrics/metrics_service_client.h"
 #include "components/metrics/metrics_state_manager.h"
+#include "components/metrics/url_constants.h"
 #include "components/prefs/pref_registry_simple.h"
 #include "components/prefs/pref_service.h"
 #include "components/variations/entropy_provider.h"
@@ -1009,6 +1010,8 @@ void MetricsService::SendStagedLog() {
 
   if (!log_uploader_) {
     log_uploader_ = client_->CreateUploader(
+        client_->GetMetricsServerUrl(),
+        metrics::kDefaultMetricsMimeType,
         base::Bind(&MetricsService::OnLogUploadComplete,
                    self_ptr_factory_.GetWeakPtr()));
   }