Add server_url and mime_type params to CreateUploader.

components/metrics/metrics_service_client.h

Index: components/metrics/metrics_service_client.h
diff --git a/components/metrics/metrics_service_client.h b/components/metrics/metrics_service_client.h
index 6a067afe6b89a79207daf65ca3ea6d5cad013c41..73cf490a3e0bc524f6301a8d6e0453dbf05abf96 100644
--- a/components/metrics/metrics_service_client.h
+++ b/components/metrics/metrics_service_client.h
@@ -82,9 +82,14 @@ class MetricsServiceClient {
   virtual void CollectFinalMetricsForLog(
       const base::Closure& done_callback) = 0;
 
+  // Get the URL of the metrics server.
+  virtual std::string GetMetricsServerUrl();
+
   // Creates a MetricsLogUploader with the specified parameters (see comments on
   // MetricsLogUploader for details).
   virtual std::unique_ptr<MetricsLogUploader> CreateUploader(
+      const std::string& server_url,
+      const std::string& mime_type,
       const base::Callback<void(int)>& on_upload_complete) = 0;
 
   // Returns the standard interval between upload attempts.