Add an option to disable net::BidirectionalStreamQuicImpl

net/url_request/url_request_context_builder.cc

Index: net/url_request/url_request_context_builder.cc
diff --git a/net/url_request/url_request_context_builder.cc b/net/url_request/url_request_context_builder.cc
index b0e737f9082d3ab969831507bab25108882c9815..8bc8976bf1958690310ea192bdb6b94c3e3e6728 100644
--- a/net/url_request/url_request_context_builder.cc
+++ b/net/url_request/url_request_context_builder.cc
@@ -432,6 +432,8 @@ scoped_ptr<URLRequestContext> URLRequestContextBuilder::Build() {
       http_network_session_params_.quic_prefer_aes;
   network_session_params.quic_migrate_sessions_early =
       http_network_session_params_.quic_migrate_sessions_early;
+  network_session_params.disable_bidirectional_stream_quic_impl =
+      http_network_session_params_.disable_bidirectional_stream_quic_impl;
   if (proxy_delegate_) {
     network_session_params.proxy_delegate = proxy_delegate_.get();
     storage->set_proxy_delegate(std::move(proxy_delegate_));