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 6e5bb228d921dcff58660819c9186c7c9f63a2c8..97b1d5213b6075bcac02d4448b7b430727503d5b 100644
--- a/content/browser/service_worker/service_worker_fetch_dispatcher.cc
+++ b/content/browser/service_worker/service_worker_fetch_dispatcher.cc
@@ -84,6 +84,11 @@ class DelegatingURLLoaderClient final : public mojom::URLLoaderClient {
   void OnTransferSizeUpdated(int32_t transfer_size_diff) override {
     client_->OnTransferSizeUpdated(transfer_size_diff);
   }
+  void OnUploadProgress(int64_t current_position,

[nhiroki, 2017/01/06 05:30:09]

nit: Can you move this between OnDataDownloaded and OnTransferSizeUpdated to
align the definition order with the declaration order in
content/child/url_loader_client_impl.h?

[tzik, 2017/01/18 12:56:43]

Done.

+                        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 {