Add "system" URLRequestContext (not ready for use!)

chrome/browser/io_thread.h

 // Copyright (c) 2011 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_
 #pragma once
 
 #include <list>
 #include <string>
@@ skipping 40 matching lines @@
     scoped_ptr<net::CertVerifier> cert_verifier;
     scoped_ptr<net::DnsRRResolver> dnsrr_resolver;
     scoped_refptr<net::SSLConfigService> ssl_config_service;
     scoped_ptr<net::HttpAuthHandlerFactory> http_auth_handler_factory;
     scoped_refptr<net::ProxyService> proxy_script_fetcher_proxy_service;
     scoped_ptr<net::HttpTransactionFactory>
         proxy_script_fetcher_http_transaction_factory;
     scoped_ptr<net::URLSecurityManager> url_security_manager;
     ChromeNetworkDelegate network_delegate;
     scoped_refptr<net::URLRequestContext> proxy_script_fetcher_context;
+    scoped_ptr<net::HttpTransactionFactory> system_http_transaction_factory;
+    scoped_refptr<net::ProxyService> system_proxy_service;
+    // NOTE(willchan): This request context is unusable until a system
+    // SSLConfigService and ProxyService are provided that don't rely on
+    // Profiles. Do NOT use this yet.
+    scoped_refptr<net::URLRequestContext> system_request_context;
   };
 
   // |net_log| must either outlive the IOThread or be NULL.
   IOThread(PrefService* local_state, ChromeNetLog* net_log);
 
   virtual ~IOThread();
 
   // Can only be called on the IO thread.
   Globals* globals();
 
@@ skipping 88 matching lines @@
 
   // Keeps track of all live ChromeURLRequestContextGetters, so the
   // ChromeURLRequestContexts can be released during
   // IOThread::CleanUpAfterMessageLoopDestruction().
   std::list<ChromeURLRequestContextGetter*> url_request_context_getters_;
 
   DISALLOW_COPY_AND_ASSIGN(IOThread);
 };
 
 #endif  // CHROME_BROWSER_IO_THREAD_H_