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

ios/chrome/browser/browser_state/test_chrome_browser_state.mm

Index: ios/chrome/browser/browser_state/test_chrome_browser_state.mm
diff --git a/ios/chrome/browser/browser_state/test_chrome_browser_state.mm b/ios/chrome/browser/browser_state/test_chrome_browser_state.mm
index 236bf2b94d11cc279760d1a2ea66c2957b4c2cc2..50d2f5f2a27baa40bcedf9bd57c682ec3108341f 100644
--- a/ios/chrome/browser/browser_state/test_chrome_browser_state.mm
+++ b/ios/chrome/browser/browser_state/test_chrome_browser_state.mm
@@ -37,7 +37,6 @@
 #include "ios/chrome/browser/history/history_service_factory.h"
 #include "ios/chrome/browser/history/top_sites_factory.h"
 #include "ios/chrome/browser/history/web_history_service_factory.h"
-#include "ios/chrome/browser/pref_names.h"
 #include "ios/chrome/browser/prefs/browser_prefs.h"
 #include "ios/chrome/browser/prefs/ios_chrome_pref_service_factory.h"
 #include "ios/chrome/browser/sync/glue/sync_start_util.h"
@@ -64,7 +63,6 @@ scoped_ptr<KeyedService> BuildBookmarkModel(web::BrowserState* context) {
           make_scoped_ptr(new BookmarkClientImpl(browser_state))));
   bookmark_model->Load(
       browser_state->GetPrefs(),
-      browser_state->GetPrefs()->GetString(prefs::kAcceptLanguages),
       browser_state->GetStatePath(), browser_state->GetIOTaskRunner(),
       web::WebThread::GetTaskRunnerForThread(web::WebThread::UI));
   return std::move(bookmark_model);
@@ -334,7 +332,6 @@ bool TestChromeBrowserState::CreateHistoryService(bool delete_file) {
           ios::HistoryServiceFactory::GetInstance()->SetTestingFactoryAndUse(
               this, &BuildHistoryService));
   if (!history_service->Init(
-          GetPrefs()->GetString(prefs::kAcceptLanguages),
           history::HistoryDatabaseParamsForPath(
               GetOriginalChromeBrowserState()->GetStatePath()))) {
     ios::HistoryServiceFactory::GetInstance()->SetTestingFactory(this, nullptr);