Notify NetworkDelegate when bytes have been received over the network.

components/cronet/android/url_request_context_adapter.cc

Index: components/cronet/android/url_request_context_adapter.cc
diff --git a/components/cronet/android/url_request_context_adapter.cc b/components/cronet/android/url_request_context_adapter.cc
index ac090facd19d406321adca8e793c4bb8e923b3dd..b04bece6bbd5504d00f6191b2077cabca730cc88 100644
--- a/components/cronet/android/url_request_context_adapter.cc
+++ b/components/cronet/android/url_request_context_adapter.cc
@@ -69,9 +69,6 @@ class BasicNetworkDelegate : public net::NetworkDelegateImpl {
 
   void OnResponseStarted(net::URLRequest* request) override {}
 
-  void OnRawBytesRead(const net::URLRequest& request,
-                      int bytes_read) override {}
-
   void OnCompleted(net::URLRequest* request, bool started) override {}
 
   void OnURLRequestDestroyed(net::URLRequest* request) override {}