Implement getSentBytesCount() in Cronet UrlRequest metrics

components/cronet/android/cronet_url_request_adapter.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 "components/cronet/android/cronet_url_request_adapter.h"
 
 #include <limits>
 #include <utility>
 #include <vector>
 
@@ skipping 412 matching lines @@
                   start_time),
       ConvertTime(metrics.connect_timing.connect_end, start_ticks, start_time),
       ConvertTime(metrics.connect_timing.ssl_start, start_ticks, start_time),
       ConvertTime(metrics.connect_timing.ssl_end, start_ticks, start_time),
       ConvertTime(metrics.send_start, start_ticks, start_time),
       ConvertTime(metrics.send_end, start_ticks, start_time),
       ConvertTime(metrics.push_start, start_ticks, start_time),
       ConvertTime(metrics.push_end, start_ticks, start_time),
       ConvertTime(metrics.receive_headers_end, start_ticks, start_time),
       ConvertTime(base::TimeTicks::Now(), start_ticks, start_time),
-      // TODO(mgersh): report total bytes sent
-      metrics.socket_reused, 0, url_request_->GetTotalReceivedBytes());
+      metrics.socket_reused, url_request_->GetTotalSentBytes(),
+      url_request_->GetTotalReceivedBytes());
 }
 
 net::URLRequest* CronetURLRequestAdapter::GetURLRequestForTesting() {
   return url_request_.get();
 }
 
 }  // namespace cronet