Notify NetworkDelegate when bytes have been received over the network.

net/url_request/url_request_test_util.cc

Index: net/url_request/url_request_test_util.cc
diff --git a/net/url_request/url_request_test_util.cc b/net/url_request/url_request_test_util.cc
index 49df5712ad0f395ec25838a4d56e584f68222232..ca2db959cbe56cf55bc8d421b59c5055a8bfced2 100644
--- a/net/url_request/url_request_test_util.cc
+++ b/net/url_request/url_request_test_util.cc
@@ -327,13 +327,13 @@ TestNetworkDelegate::TestNetworkDelegate()
       observed_before_proxy_headers_sent_callbacks_(0),
       before_send_headers_count_(0),
       headers_received_count_(0),
+      total_network_bytes_received_(0),
       has_load_timing_info_before_redirect_(false),
       has_load_timing_info_before_auth_(false),
       can_access_files_(true),
       first_party_only_cookies_enabled_(false),
       cancel_request_with_policy_violating_referrer_(false),
-      will_be_intercepted_on_next_error_(false) {
-}
+      will_be_intercepted_on_next_error_(false) {}
 
 TestNetworkDelegate::~TestNetworkDelegate() {
   for (std::map<int, int>::iterator i = next_states_.begin();
@@ -508,6 +508,11 @@ void TestNetworkDelegate::OnRawBytesRead(const URLRequest& request,
                                          int bytes_read) {
 }
 
+void TestNetworkDelegate::OnNetworkBytesReceived(const URLRequest& request,
+                                                 int64 bytes_received) {
+  total_network_bytes_received_ += bytes_received;

[tbansal1, 2015/08/17 20:51:17]

nit: May be add the event to event_order_ for easier debugging.

[sclittle, 2015/08/17 23:35:14]

Done.

+}
+
 void TestNetworkDelegate::OnCompleted(URLRequest* request, bool started) {
   int req_id = request->identifier();
   InitRequestStatesIfNew(req_id);