Notify NetworkDelegate when bytes have been received over the network.

net/base/layered_network_delegate.h

Index: net/base/layered_network_delegate.h
diff --git a/net/base/layered_network_delegate.h b/net/base/layered_network_delegate.h
index 410dce11cd13b356750bdd4bef0fb5d1b844045a..b5e1b89241753fbb0a00e78a06f32976d5052bbf 100644
--- a/net/base/layered_network_delegate.h
+++ b/net/base/layered_network_delegate.h
@@ -63,6 +63,8 @@ class NET_EXPORT LayeredNetworkDelegate : public NetworkDelegate {
   void OnBeforeRedirect(URLRequest* request, const GURL& new_location) final;
   void OnResponseStarted(URLRequest* request) final;
   void OnRawBytesRead(const URLRequest& request, int bytes_read) final;
+  void OnNetworkBytesReceived(const URLRequest& request,
+                              int64 bytes_received) final;

[bengr, 2015/08/17 21:30:39]

Use int64_t and include <stdint.h>. See
https://code.google.com/p/chromium/codesearch#chromium/src/base/basictypes.h&...

[sclittle, 2015/08/17 23:35:13]

Done.

   void OnCompleted(URLRequest* request, bool started) final;
   void OnURLRequestDestroyed(URLRequest* request) final;
   void OnPACScriptError(int line_number, const base::string16& error) final;
@@ -124,6 +126,9 @@ class NET_EXPORT LayeredNetworkDelegate : public NetworkDelegate {
   virtual void OnRawBytesReadInternal(const URLRequest& request,
                                       int bytes_read);
 
+  virtual void OnNetworkBytesReceivedInternal(const URLRequest& request,
+                                              int64 bytes_received);

[bengr, 2015/08/17 21:30:39]

What does bytes_received mean? Does it include, e.g., SPDY framing, TLS
overhead, TCP retransmits, etc?

[sclittle, 2015/08/17 23:35:13]

See comment in network_delegate.h.

+
   virtual void OnCompletedInternal(URLRequest* request, bool started);
 
   virtual void OnURLRequestDestroyedInternal(URLRequest* request);