Provide mutable members of UrlRequestContext via pure-virtual interface

chrome/browser/profiles/profile_io_data.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_PROFILES_PROFILE_IO_DATA_H_
 #define CHROME_BROWSER_PROFILES_PROFILE_IO_DATA_H_
 
 #include <string>
 
 #include "base/basictypes.h"
 #include "base/callback_forward.h"
 #include "base/file_path.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
 #include "base/synchronization/lock.h"
 #include "chrome/browser/api/prefs/pref_member.h"
 #include "chrome/browser/io_thread.h"
 #include "chrome/browser/net/chrome_url_request_context.h"
 #include "content/public/browser/resource_context.h"
 #include "net/cookies/cookie_monster.h"
 #include "net/http/http_network_session.h"
 #include "net/url_request/url_request_job_factory.h"
 
+class ChromeHttpUserAgentSettings;
 class CookieSettings;
 class DesktopNotificationService;
 class ExtensionInfoMap;
 class HostContentSettingsMap;
 class Profile;
 class ProtocolHandlerRegistry;
 class TransportSecurityPersister;
 
 namespace chrome_browser_net {
 class LoadTimeStats;
@@ skipping 142 matching lines @@
     scoped_ptr<net::URLRequestJobFactory> job_factory_;
   };
 
   // Created on the UI thread, read on the IO thread during ProfileIOData lazy
   // initialization.
   struct ProfileParams {
     ProfileParams();
     ~ProfileParams();
 
     FilePath path;
-    std::string accept_language;
-    std::string accept_charset;
     std::string referrer_charset;
     IOThread* io_thread;
     scoped_refptr<CookieSettings> cookie_settings;
     scoped_refptr<net::SSLConfigService> ssl_config_service;
     scoped_refptr<net::CookieMonster::Delegate> cookie_monster_delegate;
     scoped_refptr<ExtensionInfoMap> extension_info_map;
     scoped_ptr<chrome_browser_net::ResourcePrefetchPredictorObserver>
         resource_prefetch_predictor_observer_;
 
 #if defined(ENABLE_NOTIFICATIONS)
     DesktopNotificationService* notification_service;
 #endif
 
     // This pointer exists only as a means of conveying a url interceptor
     // pointer from the protocol handler registry on the UI thread to the
     // the URLRequestJobFactory on the IO thread. The consumer MUST take
     // ownership of the object by calling release() on this pointer.
     scoped_ptr<net::URLRequestJobFactory::Interceptor>
         protocol_handler_interceptor;
 
     // We need to initialize the ProxyConfigService from the UI thread
     // because on linux it relies on initializing things through gconf,
     // and needs to be on the main thread.
     scoped_ptr<net::ProxyConfigService> proxy_config_service;
+    // We need to initialize the ChromeHttpUserAgentSettings on the UI thread
+    // so it can sign up for notifications from the PrefService.
+    scoped_ptr<ChromeHttpUserAgentSettings> chrome_http_user_agent_settings;
     // The profile this struct was populated from. It's passed as a void* to
     // ensure it's not accidently used on the IO thread. Before using it on the
     // UI thread, call ProfileManager::IsValidProfile to ensure it's alive.
     void* profile;
   };
 
   explicit ProfileIOData(bool is_incognito);
 
   static std::string GetSSLSessionCacheShard();
 
@@ skipping 195 matching lines @@
   mutable URLRequestContextMap app_request_context_map_;
   mutable URLRequestContextMap isolated_media_request_context_map_;
 
   mutable scoped_ptr<ResourceContext> resource_context_;
 
   mutable scoped_refptr<CookieSettings> cookie_settings_;
 
   mutable scoped_ptr<chrome_browser_net::ResourcePrefetchPredictorObserver>
       resource_prefetch_predictor_observer_;
 
+  mutable scoped_ptr<ChromeHttpUserAgentSettings>
+      chrome_http_user_agent_settings_;
+
   mutable chrome_browser_net::LoadTimeStats* load_time_stats_;
 
   // TODO(jhawkins): Remove once crbug.com/102004 is fixed.
   bool initialized_on_UI_thread_;
 
   bool is_incognito_;
 
   DISALLOW_COPY_AND_ASSIGN(ProfileIOData);
 };
 
 #endif  // CHROME_BROWSER_PROFILES_PROFILE_IO_DATA_H_