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

components/history/core/test/history_service_test_util.h

 // Copyright 2016 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_HISTORY_CORE_TEST_HISTORY_SERVICE_TEST_UTIL_H_
 #define COMPONENTS_HISTORY_CORE_TEST_HISTORY_SERVICE_TEST_UTIL_H_
 
 #include <string>
 
 #include "base/macros.h"
 #include "base/memory/scoped_ptr.h"
 
 namespace base {
 class FilePath;
 }
 
 namespace history {
 class HistoryService;
 
 // Creates a new HistoryService that stores its data in |history_dir|.  If
 // |create_db| is false, the HistoryService will fail to initialize its
 // database; this is useful for testing error conditions.  This method spins the
 // runloop before returning to ensure that any initialization-related tasks are
 // run.
 scoped_ptr<HistoryService> CreateHistoryService(
-    const base::FilePath& history_dir,
-    const std::string& accept_languages,
-    bool create_db);
+    const base::FilePath& history_dir, bool create_db);
 
 // Schedules a task on the history backend and runs a nested loop until the task
 // is processed.  This blocks the caller until the history service processes all
 // pending requests.
 void BlockUntilHistoryProcessesPendingRequests(
     HistoryService* history_service);
 
 }  // namespace history
 
 #endif  // COMPONENTS_HISTORY_CORE_TEST_HISTORY_SERVICE_TEST_UTIL_H_