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 c1cefe40e2a65f3d1ca1f3b20778b4ce7b4d678d..dff7ef42cdd4394bbe674a6f56e40490083aea54 100644
--- a/net/url_request/url_request_unittest.cc
+++ b/net/url_request/url_request_unittest.cc
@@ -3298,7 +3298,8 @@ 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;
@@ -3319,7 +3320,8 @@ 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(
@@ -3386,7 +3388,8 @@ 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;
@@ -3408,7 +3411,8 @@ 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"),