Notify NetworkDelegate when bytes have been received over the network.

net/url_request/url_request_http_job.h

Index: net/url_request/url_request_http_job.h
diff --git a/net/url_request/url_request_http_job.h b/net/url_request/url_request_http_job.h
index ded4282fcd47585a8d725ca6725f6ffb78d72586..2f1d8839cdee2e93b37f39922091ffe28e3bf679 100644
--- a/net/url_request/url_request_http_job.h
+++ b/net/url_request/url_request_http_job.h
@@ -5,6 +5,8 @@
 #ifndef NET_URL_REQUEST_URL_REQUEST_HTTP_JOB_H_
 #define NET_URL_REQUEST_URL_REQUEST_HTTP_JOB_H_
 
+#include <stdint.h>
+
 #include <string>
 #include <vector>
 
@@ -274,6 +276,10 @@ class NET_EXPORT_PRIVATE URLRequestHttpJob : public URLRequestJob {
 
   URLRequestBackoffManager* backoff_manager_;
 
+  // Keeps track of total received bytes over the network from transactions used
+  // by this job that have already been destroyed.
+  int64_t total_received_bytes_from_previous_transactions_;
+
   base::WeakPtrFactory<URLRequestHttpJob> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(URLRequestHttpJob);