Notify NetworkDelegate when bytes have been received over the network.

net/url_request/url_request_test_util.h

Index: net/url_request/url_request_test_util.h
diff --git a/net/url_request/url_request_test_util.h b/net/url_request/url_request_test_util.h
index ffa1b1b4f337c447eba46440b513b5bb093f0e82..04690f79a561a4e9aa683bf4fb8027988a707dae 100644
--- a/net/url_request/url_request_test_util.h
+++ b/net/url_request/url_request_test_util.h
@@ -285,6 +285,9 @@ class TestNetworkDelegate : public NetworkDelegateImpl {
   }
   int before_send_headers_count() const { return before_send_headers_count_; }
   int headers_received_count() const { return headers_received_count_; }
+  int64 total_network_bytes_received() const {
+    return total_network_bytes_received_;
+  }
 
   // Last observed proxy in proxy header sent callback.
   HostPortPair last_observed_proxy() {
@@ -317,6 +320,8 @@ class TestNetworkDelegate : public NetworkDelegateImpl {
   void OnBeforeRedirect(URLRequest* request, const GURL& new_location) override;
   void OnResponseStarted(URLRequest* request) override;
   void OnRawBytesRead(const URLRequest& request, int bytes_read) override;
+  void OnNetworkBytesReceived(const URLRequest& request,
+                              int64 bytes_received) override;
   void OnCompleted(URLRequest* request, bool started) override;
   void OnURLRequestDestroyed(URLRequest* request) override;
   void OnPACScriptError(int line_number, const base::string16& error) override;
@@ -357,6 +362,7 @@ class TestNetworkDelegate : public NetworkDelegateImpl {
   int observed_before_proxy_headers_sent_callbacks_;
   int before_send_headers_count_;
   int headers_received_count_;
+  int64 total_network_bytes_received_;
   // Last observed proxy in before proxy header sent callback.
   HostPortPair last_observed_proxy_;