Implement upload progress handling in Mojo loading

content/browser/service_worker/service_worker_fetch_dispatcher.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 "content/browser/service_worker/service_worker_fetch_dispatcher.h"
 
 #include <string>
 #include <utility>
 
 #include "base/bind.h"
@@ skipping 66 matching lines @@
   explicit DelegatingURLLoaderClient(mojom::URLLoaderClientPtr client)
       : binding_(this), client_(std::move(client)) {}
   ~DelegatingURLLoaderClient() override {}
 
   void OnDataDownloaded(int64_t data_length, int64_t encoded_length) override {
     client_->OnDataDownloaded(data_length, encoded_length);
   }
   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 {
     client_->OnReceiveResponse(head, std::move(downloaded_file));
   }
   void OnReceiveRedirect(const net::RedirectInfo& redirect_info,
                          const ResourceResponseHead& head) override {
     client_->OnReceiveRedirect(redirect_info, head);
   }
   void OnStartLoadingResponseBody(
@@ skipping 382 matching lines @@
 }
 
 ServiceWorkerMetrics::EventType ServiceWorkerFetchDispatcher::GetEventType()
     const {
   if (request_->fetch_type == ServiceWorkerFetchType::FOREIGN_FETCH)
     return ServiceWorkerMetrics::EventType::FOREIGN_FETCH;
   return ResourceTypeToEventType(resource_type_);
 }
 
 }  // namespace content