Remove PAC-fetching URLRequestContext.

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 64 matching lines @@
 }
 
 namespace net {
 class CTPolicyEnforcer;
 class CertVerifier;
 class CTLogVerifier;
 class HostMappingRules;
 class HostResolver;
 class HttpAuthPreferences;
 class HttpServerProperties;
-class HttpTransactionFactory;
 class HttpUserAgentSettings;
 class LoggingNetworkChangeObserver;
 class NetworkDelegate;
 class NetworkQualityEstimator;
 class ProxyConfigService;
-class ProxyService;
 class SSLConfigService;
 class TransportSecurityState;
 class URLRequestContext;
 class URLRequestContextGetter;
 class URLRequestContextStorage;
-class URLRequestJobFactory;
 
 namespace ct {
 class STHObserver;
 }
 
 }  // namespace net
 
 namespace net_log {
 class ChromeNetLog;
 }
@@ skipping 45 matching lines @@
     // This TransportSecurityState doesn't load or save any state. It's only
     // used to enforce pinning for system requests and will only use built-in
     // pins.
     std::unique_ptr<net::TransportSecurityState> transport_security_state;
     std::vector<scoped_refptr<const net::CTLogVerifier>> ct_logs;
     std::unique_ptr<net::CTVerifier> cert_transparency_verifier;
     std::unique_ptr<net::CTPolicyEnforcer> ct_policy_enforcer;
     scoped_refptr<net::SSLConfigService> ssl_config_service;
     std::unique_ptr<net::HttpAuthHandlerFactory> http_auth_handler_factory;
     std::unique_ptr<net::HttpServerProperties> http_server_properties;
-    std::unique_ptr<net::ProxyService> proxy_script_fetcher_proxy_service;
-    std::unique_ptr<net::HttpNetworkSession>
-        proxy_script_fetcher_http_network_session;
-    std::unique_ptr<net::HttpTransactionFactory>
-        proxy_script_fetcher_http_transaction_factory;
-    std::unique_ptr<net::URLRequestJobFactory>
-        proxy_script_fetcher_url_request_job_factory;
     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::URLRequestContextStorage>
         system_request_context_storage;
     std::unique_ptr<net::URLRequestContext> system_request_context;
     SystemRequestContextLeakChecker system_request_context_leak_checker;
 #if BUILDFLAG(ENABLE_EXTENSIONS)
     scoped_refptr<extensions::EventRouterForwarder>
         extension_event_router_forwarder;
 #endif
     std::unique_ptr<net::HostMappingRules> host_mapping_rules;
     std::unique_ptr<net::HttpUserAgentSettings> http_user_agent_settings;
@@ skipping 108 matching lines @@
   void ConstructSystemRequestContext();
 
   // Parse command line flags and use components/network_session_configurator to
   // configure |params|.
   static void ConfigureParamsFromFieldTrialsAndCommandLine(
       const base::CommandLine& command_line,
       bool is_quic_allowed_by_policy,
       bool http_09_on_non_default_ports_enabled,
       net::HttpNetworkSession::Params* params);
 
-  // TODO(willchan): Remove proxy script fetcher context since it's not
-  // necessary now that I got rid of refcounting URLRequestContexts.
-  // See IOThread::Globals for details.
-  static net::URLRequestContext* ConstructProxyScriptFetcherContext(
-      IOThread::Globals* globals,
-      const net::HttpNetworkSession::Params& params,
-      net::NetLog* net_log);
-
   // The NetLog is owned by the browser process, to allow logging from other
   // threads during shutdown, but is used most frequently on the IOThread.
   net_log::ChromeNetLog* net_log_;
 
 #if BUILDFLAG(ENABLE_EXTENSIONS)
   // The extensions::EventRouterForwarder allows for sending events to
   // extensions from the IOThread.
   extensions::EventRouterForwarder* extension_event_router_forwarder_;
 #endif
 
@@ skipping 66 matching lines @@
   bool http_09_on_non_default_ports_enabled_;
 
   const base::TimeTicks creation_time_;
 
   base::WeakPtrFactory<IOThread> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(IOThread);
 };
 
 #endif  // CHROME_BROWSER_IO_THREAD_H_