Dispatch transfer size update notification on mojo-loading

content/browser/loader/test_url_loader_client.cc

 // Copyright 2016 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/loader/test_url_loader_client.h"
 
 #include "base/memory/ref_counted.h"
 #include "base/run_loop.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
@@ skipping 27 matching lines @@
 
 void TestURLLoaderClient::OnDataDownloaded(int64_t data_length,
                                            int64_t encoded_data_length) {
   has_data_downloaded_ = true;
   download_data_length_ += data_length;
   encoded_download_data_length_ += encoded_data_length;
   if (quit_closure_for_on_data_downloaded_)
     quit_closure_for_on_data_downloaded_.Run();
 }
 
+void TestURLLoaderClient::OnTransferSizeUpdated(int32_t transfer_size_diff) {
+  EXPECT_GT(transfer_size_diff, 0);
+  body_transfer_size_ += transfer_size_diff;
+}
+
 void TestURLLoaderClient::OnStartLoadingResponseBody(
     mojo::ScopedDataPipeConsumerHandle body) {
   response_body_ = std::move(body);
   if (quit_closure_for_on_start_loading_response_body_)
     quit_closure_for_on_start_loading_response_body_.Run();
 }
 
 void TestURLLoaderClient::OnComplete(
     const ResourceRequestCompletionStatus& status) {
   has_received_completion_ = true;
@@ skipping 52 matching lines @@
 void TestURLLoaderClient::RunUntilComplete() {
   if (has_received_completion_)
     return;
   base::RunLoop run_loop;
   quit_closure_for_on_complete_ = run_loop.QuitClosure();
   run_loop.Run();
   quit_closure_for_on_complete_.Reset();
 }
 
 }  // namespace content