Notify NetworkDelegate when bytes have been sent 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 a74a2b6556c1ac596518a70367e6092a1a1fcf16..bfdbe7b827b4d056d624a8a3780a2b9ae242c09f 100644
--- a/net/base/layered_network_delegate_unittest.cc
+++ b/net/base/layered_network_delegate_unittest.cc
@@ -98,6 +98,11 @@ class TestNetworkDelegateImpl : public NetworkDelegateImpl {
     IncrementAndCompareCounter("on_network_bytes_received_count");
   }
 
+  void OnNetworkBytesSent(const URLRequest& request,
+                          int64_t bytes_sent) override {
+    IncrementAndCompareCounter("on_network_bytes_sent_count");
+  }
+
   void OnCompleted(URLRequest* request, bool started) override {
     IncrementAndCompareCounter("on_completed_count");
   }
@@ -197,6 +202,7 @@ class TestLayeredNetworkDelegate : public LayeredNetworkDelegate {
                                       request_headers.get()));
     OnBeforeSendProxyHeaders(NULL, ProxyInfo(), request_headers.get());
     OnSendHeaders(NULL, *request_headers);
+    OnNetworkBytesSent(*request, 42);
     EXPECT_EQ(OK, OnHeadersReceived(NULL, completion_callback.callback(),
                                     response_headers.get(), NULL, NULL));
     OnResponseStarted(request.get());
@@ -284,6 +290,12 @@ class TestLayeredNetworkDelegate : public LayeredNetworkDelegate {
     EXPECT_EQ(1, (*counters_)["on_network_bytes_received_count"]);
   }
 
+  void OnNetworkBytesSentInternal(const URLRequest& request,
+                                  int64_t bytes_sent) override {
+    ++(*counters_)["on_network_bytes_sent_count"];
+    EXPECT_EQ(1, (*counters_)["on_network_bytes_sent_count"]);
+  }
+
   void OnCompletedInternal(URLRequest* request, bool started) override {
     ++(*counters_)["on_completed_count"];
     EXPECT_EQ(1, (*counters_)["on_completed_count"]);