Implement upload progress handling in 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 53 matching lines @@
     quit_closure_for_on_receive_cached_metadata_.Run();
 }
 
 void TestURLLoaderClient::OnTransferSizeUpdated(int32_t transfer_size_diff) {
   EXPECT_TRUE(has_received_response_);
   EXPECT_FALSE(has_received_completion_);
   EXPECT_GT(transfer_size_diff, 0);
   body_transfer_size_ += transfer_size_diff;
 }
 
+void TestURLLoaderClient::OnUploadProgress(int64_t current_position,
+                                           int64_t total_size,
+                                           const base::Closure& ack_callback) {
+  EXPECT_TRUE(ack_callback);
+  EXPECT_FALSE(has_received_response_);
+  EXPECT_FALSE(has_received_completion_);
+  EXPECT_LT(0, current_position);
+  EXPECT_LE(current_position, total_size);
+
+  has_received_upload_progress_ = true;
+  current_upload_position_ = current_position;
+  total_upload_size_ = total_size;
+  ack_callback.Run();
+}
+
 void TestURLLoaderClient::OnStartLoadingResponseBody(
     mojo::ScopedDataPipeConsumerHandle body) {
   EXPECT_TRUE(has_received_response_);
   EXPECT_FALSE(has_received_completion_);
   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(
@@ skipping 70 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