Notify NetworkDelegate when bytes have been sent over the network.

net/base/network_delegate_impl.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 "net/base/network_delegate_impl.h"
 
 #include "net/base/net_errors.h"
 
 namespace net {
 
@@ skipping 22 matching lines @@
 void NetworkDelegateImpl::OnBeforeSendProxyHeaders(
     URLRequest* request,
     const ProxyInfo& proxy_info,
     HttpRequestHeaders* headers) {
 }
 
 void NetworkDelegateImpl::OnSendHeaders(URLRequest* request,
                                         const HttpRequestHeaders& headers) {
 }
 
+void NetworkDelegateImpl::OnNetworkBytesSent(const URLRequest& request,
+                                             int64_t bytes_sent) {}
+
 int NetworkDelegateImpl::OnHeadersReceived(
     URLRequest* request,
     const CompletionCallback& callback,
     const HttpResponseHeaders* original_response_headers,
     scoped_refptr<HttpResponseHeaders>* override_response_headers,
     GURL* allowed_unsafe_redirect_url) {
   return OK;
 }
 
 void NetworkDelegateImpl::OnBeforeRedirect(URLRequest* request,
@@ skipping 53 matching lines @@
 }
 
 bool NetworkDelegateImpl::OnCancelURLRequestWithPolicyViolatingReferrerHeader(
     const URLRequest& request,
     const GURL& target_url,
     const GURL& referrer_url) const {
   return false;
 }
 
 }  // namespace net