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

components/omnibox/browser/bookmark_provider.h

 // 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.
 
 #ifndef COMPONENTS_OMNIBOX_BROWSER_BOOKMARK_PROVIDER_H_
 #define COMPONENTS_OMNIBOX_BROWSER_BOOKMARK_PROVIDER_H_
 
 #include <stddef.h>
 
 #include <string>
@@ skipping 59 matching lines @@
   // 'unhighlighted' classification span so the tail of the source string
   // properly highlighted.
   static ACMatchClassifications ClassificationsFromMatch(
       const query_parser::Snippet::MatchPositions& positions,
       size_t text_length,
       bool is_url);
 
   AutocompleteProviderClient* client_;
   bookmarks::BookmarkModel* bookmark_model_;
 
-  // Languages used during the URL formatting.
-  std::string languages_;
-
   DISALLOW_COPY_AND_ASSIGN(BookmarkProvider);
 };
 
 #endif  // COMPONENTS_OMNIBOX_BROWSER_BOOKMARK_PROVIDER_H_