Notify NetworkDelegate when bytes have been received over the network.

net/url_request/url_request_http_job.cc

Index: net/url_request/url_request_http_job.cc
diff --git a/net/url_request/url_request_http_job.cc b/net/url_request/url_request_http_job.cc
index c9aa4cc2ed326c6518658e1a01917401f97711cf..982971edbcd7c397c66e6c0524da4fee314edab6 100644
--- a/net/url_request/url_request_http_job.cc
+++ b/net/url_request/url_request_http_job.cc
@@ -197,6 +197,7 @@ URLRequestHttpJob::URLRequestHttpJob(
       awaiting_callback_(false),
       http_user_agent_settings_(http_user_agent_settings),
       backoff_manager_(request->context()->backoff_manager()),
+      total_received_bytes_from_previous_transactions_(0),
       weak_factory_(this) {
   URLRequestThrottlerManager* manager = request->context()->throttler_manager();
   if (manager)
@@ -421,6 +422,9 @@ void URLRequestHttpJob::DestroyTransaction() {
   DCHECK(transaction_.get());
 
   DoneWithRequest(ABORTED);
+
+  total_received_bytes_from_previous_transactions_ +=
+      transaction_->GetTotalReceivedBytes();
   transaction_.reset();
   response_info_ = NULL;
   receive_headers_end_ = base::TimeTicks();
@@ -1359,10 +1363,11 @@ bool URLRequestHttpJob::GetFullRequestHeaders(
 }
 
 int64 URLRequestHttpJob::GetTotalReceivedBytes() const {
-  if (!transaction_)
-    return 0;
-
-  return transaction_->GetTotalReceivedBytes();
+  int64_t total_received_bytes =
+      total_received_bytes_from_previous_transactions_;
+  if (transaction_)
+    total_received_bytes += transaction_->GetTotalReceivedBytes();
+  return total_received_bytes;
 }
 
 void URLRequestHttpJob::DoneReading() {