[net/http auth] Cleanup. Method names, and constness.

net/http/http_auth_handler_unittest.cc

Index: net/http/http_auth_handler_unittest.cc
diff --git a/net/http/http_auth_handler_unittest.cc b/net/http/http_auth_handler_unittest.cc
index 5757bb65c84d37411ae2720df16c6dbcdf95fa47..eb1efb350b44e4ac3dbf71b84b7dd4ce7ad88024 100644
--- a/net/http/http_auth_handler_unittest.cc
+++ b/net/http/http_auth_handler_unittest.cc
@@ -43,10 +43,10 @@ TEST(HttpAuthHandlerTest, NetLog) {
         BoundNetLog bound_net_log(
             BoundNetLog::Make(&test_net_log, NetLog::SOURCE_NONE));
 
-        mock_handler.InitFromChallenge(&tokenizer, target,
-                                       origin, bound_net_log);
+        mock_handler.HandleInitialChallenge(tokenizer, target, origin,
+                                            bound_net_log);
         mock_handler.SetGenerateExpectation(async, rv);
-        mock_handler.GenerateAuthToken(&credentials, &request,
+        mock_handler.GenerateAuthToken(&credentials, request,
                                        test_callback.callback(), &auth_token);
         if (async)
           test_callback.WaitForResult();