Drop |languages| from {Format,Elide}Url* and IDNToUnicode

content/browser/frame_host/navigation_controller_impl_unittest.cc

 // Copyright 2013 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.
 
 #include "content/browser/frame_host/navigation_controller_impl.h"
 
 #include <stddef.h>
 #include <stdint.h>
 #include <utility>
 
@@ skipping 4929 matching lines @@
   params.did_create_new_entry = true;
   params.url = kUrl2;
   params.page_state = PageState::CreateFromURL(kUrl2);
   params.was_within_same_page = true;
   main_test_rfh()->SendRendererInitiatedNavigationRequest(kUrl2, false);
   main_test_rfh()->PrepareForCommit();
   main_test_rfh()->SendNavigateWithParams(&params);
 
   // The title should immediately be visible on the new NavigationEntry.
   base::string16 new_title =
-      controller().GetLastCommittedEntry()->GetTitleForDisplay(std::string());
+      controller().GetLastCommittedEntry()->GetTitleForDisplay();
   EXPECT_EQ(title, new_title);
   FaviconStatus new_favicon =
       controller().GetLastCommittedEntry()->GetFavicon();
   EXPECT_EQ(favicon.valid, new_favicon.valid);
   EXPECT_EQ(favicon.url, new_favicon.url);
 }
 
 // Test that the navigation controller clears its session history when a
 // navigation commits with the clear history list flag set.
 TEST_F(NavigationControllerTest, ClearHistoryList) {
@@ skipping 259 matching lines @@
   EXPECT_EQ(default_ssl_status.content_status,
             observer.details().ssl_status.content_status);
   EXPECT_EQ(
       0u,
       observer.details().ssl_status.signed_certificate_timestamp_ids.size());
 
   EXPECT_EQ(1, main_test_rfh()->GetProcess()->bad_msg_count());
 }
 
 }  // namespace content