Respect QuicAllowed policy for new streams

chrome/browser/io_thread.h

 // 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.
 
 #ifndef CHROME_BROWSER_IO_THREAD_H_
 #define CHROME_BROWSER_IO_THREAD_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
@@ skipping 158 matching lines @@
     std::unique_ptr<net::HttpAuthPreferences> http_auth_preferences;
     // TODO(willchan): Remove proxy script fetcher context since it's not
     // necessary now that I got rid of refcounting URLRequestContexts.
     //
     // The first URLRequestContext is |system_url_request_context|. We introduce
     // |proxy_script_fetcher_context| for the second context. It has a direct
     // ProxyService, since we always directly connect to fetch the PAC script.
     std::unique_ptr<net::URLRequestContext> proxy_script_fetcher_context;
     std::unique_ptr<net::ProxyService> system_proxy_service;
     std::unique_ptr<net::HttpNetworkSession> system_http_network_session;
+    std::unique_ptr<net::HttpNetworkSession::SharedParams>
+        http_network_session_shared_params;
     std::unique_ptr<net::HttpTransactionFactory>
         system_http_transaction_factory;
     std::unique_ptr<net::URLRequestJobFactory> system_url_request_job_factory;
     std::unique_ptr<net::URLRequestContext> system_request_context;
     SystemRequestContextLeakChecker system_request_context_leak_checker;
     // |system_cookie_store| and |system_channel_id_service| are shared
     // between |proxy_script_fetcher_context| and |system_request_context|.
     std::unique_ptr<net::CookieStore> system_cookie_store;
 #if BUILDFLAG(ENABLE_EXTENSIONS)
     scoped_refptr<extensions::EventRouterForwarder>
@@ skipping 213 matching lines @@
   // Callback for updating data use prefs which needs to be initialized on UI
   // thread and passed to |DataUseNetworkDelegate|.
   metrics::UpdateUsagePrefCallbackType metrics_data_use_forwarder_;
 
   base::WeakPtrFactory<IOThread> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(IOThread);
 };
 
 #endif  // CHROME_BROWSER_IO_THREAD_H_