Notify NetworkDelegate when bytes have been received over the network.

net/base/layered_network_delegate_unittest.cc

Index: net/base/layered_network_delegate_unittest.cc
diff --git a/net/base/layered_network_delegate_unittest.cc b/net/base/layered_network_delegate_unittest.cc
index 9cb77fab10002e3abd5a01151a75f12a4738707c..ab0c2f8cae34afabb8879e07be6af4317de6347f 100644
--- a/net/base/layered_network_delegate_unittest.cc
+++ b/net/base/layered_network_delegate_unittest.cc
@@ -97,6 +97,11 @@ class TestNetworkDelegateImpl : public NetworkDelegateImpl {
     IncrementAndCompareCounter("on_raw_bytes_read_count");
   }
 
+  void OnNetworkBytesReceived(const URLRequest& request,
+                              int64 bytes_received) override {
+    IncrementAndCompareCounter("on_network_bytes_received_count");
+  }
+
   void OnCompleted(URLRequest* request, bool started) override {
     IncrementAndCompareCounter("on_completed_count");
   }
@@ -200,6 +205,7 @@ class TestLayeredNetworkDelegate : public LayeredNetworkDelegate {
                                     response_headers.get(), NULL, NULL));
     OnResponseStarted(request.get());
     OnRawBytesRead(*request, 0);
+    OnNetworkBytesReceived(*request, 42);
     OnCompleted(request.get(), false);
     OnURLRequestDestroyed(request.get());
     OnPACScriptError(0, base::string16());
@@ -283,6 +289,12 @@ class TestLayeredNetworkDelegate : public LayeredNetworkDelegate {
     EXPECT_EQ(1, (*counters_)["on_raw_bytes_read_count"]);
   }
 
+  void OnNetworkBytesReceivedInternal(const URLRequest& request,
+                                      int64 bytes_received) override {
+    ++(*counters_)["on_network_bytes_received_count"];
+    EXPECT_EQ(1, (*counters_)["on_network_bytes_received_count"]);
+  }
+
   void OnCompletedInternal(URLRequest* request, bool started) override {
     ++(*counters_)["on_completed_count"];
     EXPECT_EQ(1, (*counters_)["on_completed_count"]);