Removes get upload progress plumbing. URLRequest queries the UploadDataStream directly.

net/http/http_network_transaction.cc

Index: net/http/http_network_transaction.cc
diff --git a/net/http/http_network_transaction.cc b/net/http/http_network_transaction.cc
index 1e2ffcf64499f18c5c3cb73f3e010097cfea17e5..10b6e12fdb960535ad66c83782873a3ffa5f2f5c 100644
--- a/net/http/http_network_transaction.cc
+++ b/net/http/http_network_transaction.cc
@@ -378,13 +378,6 @@ LoadState HttpNetworkTransaction::GetLoadState() const {
   }
 }
 
-UploadProgress HttpNetworkTransaction::GetUploadProgress() const {
-  if (!stream_.get())
-    return UploadProgress();
-
-  return stream_->GetUploadProgress();
-}
-
 void HttpNetworkTransaction::SetQuicServerInfo(
     QuicServerInfo* quic_server_info) {}