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

chrome/browser/android/omnibox/autocomplete_controller_android.cc

 // Copyright 2014 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.
 
 #include "chrome/browser/android/omnibox/autocomplete_controller_android.h"
 
 #include <stddef.h>
 
 #include "base/android/jni_android.h"
 #include "base/android/jni_array.h"
@@ skipping 538 matching lines @@
       ToJavaIntArray(env, description_class_offsets).obj(),
       ToJavaIntArray(env, description_class_styles).obj(),
       answer_contents.obj(),
       answer_type.obj(),
       fill_into_edit.obj(),
       destination_url.obj(),
       bookmark_model && bookmark_model->IsBookmarked(match.destination_url),
       match.SupportsDeletion());
 }
 
 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>
 AutocompleteControllerAndroid::GetTopSynchronousResult(
     JNIEnv* env,
     const JavaRef<jobject>& obj,
     const JavaRef<jstring>& j_text,
     bool prevent_inline_autocomplete) {
   if (!autocomplete_controller_)
     return ScopedJavaLocalRef<jobject>();
@@ skipping 69 matching lines @@
     return;
 
   // ZeroSuggestPrefetcher deletes itself after it's done prefetching.
   new ZeroSuggestPrefetcher(profile);
 }
 
 // Register native methods
 bool RegisterAutocompleteControllerAndroid(JNIEnv* env) {
   return RegisterNativesImpl(env);
 }