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

components/history/core/browser/history_service.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.
 
 // The history system runs on a background thread so that potentially slow
 // database operations don't delay the browser. This backend processing is
 // represented by HistoryBackend. The HistoryService's job is to dispatch to
 // that thread.
 //
 // Main thread                       History thread
@@ skipping 869 matching lines @@
   // Delete the thread, which joins with the background thread. We defensively
   // nullptr the pointer before deleting it in case somebody tries to use it
   // during shutdown, but this shouldn't happen.
   base::Thread* thread = thread_;
   thread_ = nullptr;
   delete thread;
 }
 
 bool HistoryService::Init(
     bool no_db,
-    const std::string& languages,
     const HistoryDatabaseParams& history_database_params) {
   TRACE_EVENT0("browser,startup", "HistoryService::Init")
   SCOPED_UMA_HISTOGRAM_TIMER("History.HistoryServiceInitTime");
   DCHECK(thread_) << "History service being called after cleanup";
   DCHECK(thread_checker_.CalledOnValidThread());
 
   base::Thread::Options options;
   options.timer_slack = base::TIMER_SLACK_MAXIMUM;
   if (!thread_->StartWithOptions(options)) {
     Cleanup();
     return false;
   }
 
   // Create the history backend.
   scoped_refptr<HistoryBackend> backend(new HistoryBackend(
       new BackendDelegate(weak_ptr_factory_.GetWeakPtr(),
                           base::ThreadTaskRunnerHandle::Get()),
       history_client_ ? history_client_->CreateBackendClient() : nullptr,
       thread_->task_runner()));
   history_backend_.swap(backend);
 
   ScheduleTask(PRIORITY_UI,
                base::Bind(&HistoryBackend::Init, history_backend_.get(),
-                          languages, no_db, history_database_params));
+                          no_db, history_database_params));
 
   if (visit_delegate_ && !visit_delegate_->Init(this))
     return false;
 
   if (history_client_)
     history_client_->OnHistoryServiceCreated(this);
 
   return true;
 }
 
@@ skipping 240 matching lines @@
   return favicon_changed_callback_list_.Add(callback);
 }
 
 void HistoryService::NotifyFaviconsChanged(const std::set<GURL>& page_urls,
                                            const GURL& icon_url) {
   DCHECK(thread_checker_.CalledOnValidThread());
   favicon_changed_callback_list_.Notify(page_urls, icon_url);
 }
 
 }  // namespace history