Implement upload progress handling in Mojo loading

content/browser/service_worker/service_worker_fetch_dispatcher.cc

Index: content/browser/service_worker/service_worker_fetch_dispatcher.cc
diff --git a/content/browser/service_worker/service_worker_fetch_dispatcher.cc b/content/browser/service_worker/service_worker_fetch_dispatcher.cc
index c074651cb42c469b58061bf9905ee12c50504dfb..f624e86d982aa678c4e66de8ef1704926936f683 100644
--- a/content/browser/service_worker/service_worker_fetch_dispatcher.cc
+++ b/content/browser/service_worker/service_worker_fetch_dispatcher.cc
@@ -81,6 +81,11 @@ class DelegatingURLLoaderClient final : public mojom::URLLoaderClient {
   void OnDataDownloaded(int64_t data_length, int64_t encoded_length) override {
     client_->OnDataDownloaded(data_length, encoded_length);
   }
+  void OnUploadProgress(int64_t current_position,
+                        int64_t total_size,
+                        const base::Closure& ack_callback) override {
+    client_->OnUploadProgress(current_position, total_size, ack_callback);
+  }
   void OnReceiveResponse(
       const ResourceResponseHead& head,
       mojom::DownloadedTempFilePtr downloaded_file) override {