Provide mutable members of UrlRequestContext via pure-virtual interface

net/url_request/url_request_unittest.cc

Index: net/url_request/url_request_unittest.cc
diff --git a/net/url_request/url_request_unittest.cc b/net/url_request/url_request_unittest.cc
index 17f60297aed0ae98ead58b5435323a1d9be97dfe..350cae489bb4103a657da83d8e7c2ef22bc8163f 100644
--- a/net/url_request/url_request_unittest.cc
+++ b/net/url_request/url_request_unittest.cc
@@ -52,6 +52,7 @@
 #include "net/proxy/proxy_service.h"
 #include "net/socket/ssl_client_socket.h"
 #include "net/test/test_server.h"
+#include "net/url_request/const_http_user_agent_settings.h"
 #include "net/url_request/ftp_protocol_handler.h"
 #include "net/url_request/url_request.h"
 #include "net/url_request/url_request_file_dir_job.h"
@@ -3333,7 +3334,8 @@ TEST_F(URLRequestTestHTTP, DefaultAcceptLanguage) {
   TestNetworkDelegate network_delegate;  // must outlive URLRequests
   TestURLRequestContext context(true);
   context.set_network_delegate(&network_delegate);
-  context.set_accept_language("en");
+  ConstHttpUserAgentSettings settings("en", EmptyString(), EmptyString());
+  context.set_http_user_agent_settings(&settings);
   context.Init();
 
   TestDelegate d;
@@ -3354,7 +3356,8 @@ TEST_F(URLRequestTestHTTP, EmptyAcceptLanguage) {
   context.Init();
   // We override the language after initialization because empty entries
   // get overridden by Init().
-  context.set_accept_language("");
+  ConstHttpUserAgentSettings settings("", EmptyString(), EmptyString());
+  context.set_http_user_agent_settings(&settings);
 
   TestDelegate d;
   URLRequest req(
@@ -3421,7 +3424,8 @@ TEST_F(URLRequestTestHTTP, DefaultAcceptCharset) {
   TestNetworkDelegate network_delegate;  // must outlive URLRequests
   TestURLRequestContext context(true);
   context.set_network_delegate(&network_delegate);
-  context.set_accept_charset("en");
+  ConstHttpUserAgentSettings settings(EmptyString(), "en", EmptyString());
+  context.set_http_user_agent_settings(&settings);
   context.Init();
 
   TestDelegate d;
@@ -3443,7 +3447,8 @@ TEST_F(URLRequestTestHTTP, EmptyAcceptCharset) {
   context.Init();
   // We override the accepted charset after initialization because empty
   // entries get overridden otherwise.
-  context.set_accept_charset("");
+  ConstHttpUserAgentSettings settings(EmptyString(), "", EmptyString());
+  context.set_http_user_agent_settings(&settings);
 
   TestDelegate d;
   URLRequest req(test_server_.GetURL("echoheader?Accept-Charset"),