Provide mutable members of UrlRequestContext via pure-virtual interface

chrome/browser/profiles/profile_io_data.h

Index: chrome/browser/profiles/profile_io_data.h
diff --git a/chrome/browser/profiles/profile_io_data.h b/chrome/browser/profiles/profile_io_data.h
index fbdd845202850fd91f5ae9d01aed225a74fa27f6..354c86b23cf31188c76bc318c95b77d03f8eb127 100644
--- a/chrome/browser/profiles/profile_io_data.h
+++ b/chrome/browser/profiles/profile_io_data.h
@@ -23,6 +23,7 @@
 #include "net/http/http_network_session.h"
 #include "net/url_request/url_request_job_factory.h"
 
+class ChromeHttpUserAgentSettings;
 class CookieSettings;
 class DesktopNotificationService;
 class ExtensionInfoMap;
@@ -186,8 +187,6 @@ class ProfileIOData {
     ~ProfileParams();
 
     FilePath path;
-    std::string accept_language;
-    std::string accept_charset;
     IOThread* io_thread;
     scoped_refptr<CookieSettings> cookie_settings;
     scoped_refptr<net::SSLConfigService> ssl_config_service;
@@ -428,6 +427,9 @@ class ProfileIOData {
   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.