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

chrome/browser/android/omnibox/autocomplete_controller_android.cc

Index: chrome/browser/android/omnibox/autocomplete_controller_android.cc
diff --git a/chrome/browser/android/omnibox/autocomplete_controller_android.cc b/chrome/browser/android/omnibox/autocomplete_controller_android.cc
index 2551d595812009c97dffb204e4d23e3745066b81..c05e9b9500f88ddd08b091ac03c9dedee63ff654 100644
--- a/chrome/browser/android/omnibox/autocomplete_controller_android.cc
+++ b/chrome/browser/android/omnibox/autocomplete_controller_android.cc
@@ -558,15 +558,9 @@ AutocompleteControllerAndroid::BuildOmniboxSuggestion(
 
 base::string16 AutocompleteControllerAndroid::FormatURLUsingAcceptLanguages(

[Peter Kasting, 2016/04/05 02:42:32]

This function name is now inaccurate.

[jungshik at Google, 2016/04/05 18:56:18]

Thanks for catching it. 
Turned out that nobody calls it. (I found that earlier, but forgot later).  I
deleted it (h/cc). 

     GURL url) {
-  if (profile_ == NULL)
-    return base::string16();
-
-  std::string languages(
-      profile_->GetPrefs()->GetString(prefs::kAcceptLanguages));
-
   return url_formatter::FormatUrl(
-      url, languages, url_formatter::kFormatUrlOmitAll,
-      net::UnescapeRule::SPACES, nullptr, nullptr, nullptr);
+      url, url_formatter::kFormatUrlOmitAll, net::UnescapeRule::SPACES,
+      nullptr, nullptr, nullptr);
 }
 
 ScopedJavaLocalRef<jobject>