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

components/omnibox/browser/history_url_provider.h

Index: components/omnibox/browser/history_url_provider.h
diff --git a/components/omnibox/browser/history_url_provider.h b/components/omnibox/browser/history_url_provider.h
index 9cee39dfda59bcab6fc7112748e428a347f7626d..1b1e43a9708f3aac83648ee9b6ef2a6059845703 100644
--- a/components/omnibox/browser/history_url_provider.h
+++ b/components/omnibox/browser/history_url_provider.h
@@ -103,7 +103,6 @@ struct HistoryURLProviderParams {
   HistoryURLProviderParams(const AutocompleteInput& input,
                            bool trim_http,
                            const AutocompleteMatch& what_you_typed_match,
-                           const std::string& languages,
                            TemplateURL* default_search_provider,
                            const SearchTermsData& search_terms_data);
   ~HistoryURLProviderParams();
@@ -166,9 +165,6 @@ struct HistoryURLProviderParams {
   // |matches_| even when |promote_type| is not WHAT_YOU_TYPED_MATCH.
   bool have_what_you_typed_match;
 
-  // Languages we should pass to gfx::GetCleanStringFromUrl.
-  std::string languages;
-
   // The default search provider and search terms data necessary to cull results
   // that correspond to searches (on the default engine).  These can only be
   // obtained on the UI thread, so we have to copy them into here to pass them
@@ -325,7 +321,6 @@ class HistoryURLProvider : public HistoryProvider {
   AutocompleteMatch HistoryMatchToACMatch(
       const HistoryURLProviderParams& params,
       size_t match_number,
-      MatchType match_type,
       int relevance);
 
   AutocompleteProviderListener* listener_;