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

chrome/browser/search_engines/ui_thread_search_terms_data.cc

Index: chrome/browser/search_engines/ui_thread_search_terms_data.cc
diff --git a/chrome/browser/search_engines/ui_thread_search_terms_data.cc b/chrome/browser/search_engines/ui_thread_search_terms_data.cc
index 8ec929465176c2f2149ae8a7fe469defe10e232c..5b759fa407d3ecd23b905a0c776f6628869ad026 100644
--- a/chrome/browser/search_engines/ui_thread_search_terms_data.cc
+++ b/chrome/browser/search_engines/ui_thread_search_terms_data.cc
@@ -148,11 +148,6 @@ std::string UIThreadSearchTermsData::GoogleImageSearchSource() const {
   return version;
 }
 
-std::string UIThreadSearchTermsData::GetAcceptLanguages() const {
-  return profile_ ? profile_->GetPrefs()->GetString(prefs::kAcceptLanguages)
-                  : std::string();
-}
-
 // static
 void UIThreadSearchTermsData::SetGoogleBaseURL(const std::string& base_url) {
   delete google_base_url_;