Respect QuicAllowed policy for new streams

chrome/browser/io_thread.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/io_thread.h"
 
 #include <utility>
 #include <vector>
 
 #include "base/base64.h"
@@ skipping 779 matching lines @@
 
   net::HostCache* host_cache = globals_->host_resolver->GetHostCache();
   if (host_cache)
     host_cache->ClearForHosts(host_filter);
 }
 
 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_;
 }
 
 net::SSLConfigService* IOThread::GetSSLConfigService() {
   return ssl_config_service_manager_->Get();
 }
 
 void IOThread::ChangedToOnTheRecordOnIOThread() {
   DCHECK_CURRENTLY_ON(BrowserThread::IO);
@@ skipping 279 matching lines @@
 
   // TODO(rtenneti): We should probably use HttpServerPropertiesManager for the
   // system URLRequestContext too. There's no reason this should be tied to a
   // profile.
   return context;
 }
 
 metrics::UpdateUsagePrefCallbackType IOThread::GetMetricsDataUseForwarder() {
   return base::Bind(&UpdateMetricsUsagePrefsOnUIThread);
 }