Respect QuicAllowed policy for new streams

chrome/browser/io_thread.cc

Index: chrome/browser/io_thread.cc
diff --git a/chrome/browser/io_thread.cc b/chrome/browser/io_thread.cc
index 00f844c2cef98d4ad119b5f52d66344d0a87766b..f3555bcb6d844ca83932eca54074f723575f7118 100644
--- a/chrome/browser/io_thread.cc
+++ b/chrome/browser/io_thread.cc
@@ -797,6 +797,18 @@ const net::HttpNetworkSession::Params& IOThread::NetworkSessionParams() const {
   return params_;
 }
 
+void IOThread::UpdateNetworkSessionParams(
+    net::HttpNetworkSession::ParamsUpdate params_update) {
+  params_.enable_quic = params_update.enable_quic_new;
+
+  if (globals_->system_http_network_session)
+    globals_->system_http_network_session->UpdateParams(params_update);
+
+  if (globals_->proxy_script_fetcher_http_network_session)
+    globals_->proxy_script_fetcher_http_network_session->UpdateParams(
+        params_update);
+}
+
 base::TimeTicks IOThread::creation_time() const {
   return creation_time_;
 }