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

net/websockets/websocket_basic_handshake_stream.cc

Index: net/websockets/websocket_basic_handshake_stream.cc
diff --git a/net/websockets/websocket_basic_handshake_stream.cc b/net/websockets/websocket_basic_handshake_stream.cc
index 2fba665721ef13ba3ed617dd9cab44131fafd031..ae6062ea96d0bf3e0a41bab17dab484494bbae7d 100644
--- a/net/websockets/websocket_basic_handshake_stream.cc
+++ b/net/websockets/websocket_basic_handshake_stream.cc
@@ -465,10 +465,6 @@ void WebSocketBasicHandshakeStream::SetPriority(RequestPriority priority) {
   // gone, then copy whatever has happened there over here.
 }
 
-UploadProgress WebSocketBasicHandshakeStream::GetUploadProgress() const {
-  return UploadProgress();
-}
-
 HttpStream* WebSocketBasicHandshakeStream::RenewStreamForAuth() {
   // Return null because we don't support renewing the stream.
   return nullptr;