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

chrome/browser/history/history_tab_helper.cc

 // Copyright (c) 2012 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 "chrome/browser/history/history_tab_helper.h"
 
 #include <utility>
 
 #include "build/build_config.h"
 #include "chrome/browser/history/history_service_factory.h"
@@ skipping 30 matching lines @@
 void HistoryTabHelper::UpdateHistoryForNavigation(
     const history::HistoryAddPageArgs& add_page_args) {
   history::HistoryService* hs = GetHistoryService();
   if (hs)
     GetHistoryService()->AddPage(add_page_args);
 }
 
 void HistoryTabHelper::UpdateHistoryPageTitle(const NavigationEntry& entry) {
   history::HistoryService* hs = GetHistoryService();
   if (hs)
-    hs->SetPageTitle(entry.GetVirtualURL(),
-                     entry.GetTitleForDisplay(std::string()));
+    hs->SetPageTitle(entry.GetVirtualURL(), entry.GetTitleForDisplay());
 }
 
 history::HistoryAddPageArgs
 HistoryTabHelper::CreateHistoryAddPageArgs(
     const GURL& virtual_url,
     base::Time timestamp,
     bool did_replace_entry,
     int nav_entry_id,
     const content::FrameNavigateParams& params) {
   history::HistoryAddPageArgs add_page_args(
@@ skipping 96 matching lines @@
   if (hs) {
     NavigationEntry* entry = tab->GetController().GetLastCommittedEntry();
     history::ContextID context_id = history::ContextIDForWebContents(tab);
     if (entry) {
       hs->UpdateWithPageEndTime(context_id, entry->GetUniqueID(), tab->GetURL(),
                                 base::Time::Now());
     }
     hs->ClearCachedDataForContextID(context_id);
   }
 }