Remove many-many SpdyMajorVersion and NextProto arguments and members.

net/quic/bidirectional_stream_quic_impl.cc

Index: net/quic/bidirectional_stream_quic_impl.cc
diff --git a/net/quic/bidirectional_stream_quic_impl.cc b/net/quic/bidirectional_stream_quic_impl.cc
index 205fbd0d1a810436ff97dfc67f5646f38d245419..25dd9c7bc0b7ca03c7501e8671d7fbb0b5c184e9 100644
--- a/net/quic/bidirectional_stream_quic_impl.cc
+++ b/net/quic/bidirectional_stream_quic_impl.cc
@@ -94,9 +94,8 @@ void BidirectionalStreamQuicImpl::SendRequestHeaders() {
   http_request_info.method = request_info_->method;
   http_request_info.extra_headers = request_info_->extra_headers;
 
-  CreateSpdyHeadersFromHttpRequest(http_request_info,
-                                   http_request_info.extra_headers, HTTP2, true,
-                                   &headers);
+  CreateSpdyHeadersFromHttpRequest(
+      http_request_info, http_request_info.extra_headers, true, &headers);
   size_t headers_bytes_sent = stream_->WriteHeaders(
       std::move(headers), request_info_->end_stream_on_headers, nullptr);
   headers_bytes_sent_ += headers_bytes_sent;