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

content/browser/frame_host/navigation_entry_impl.cc

Index: content/browser/frame_host/navigation_entry_impl.cc
diff --git a/content/browser/frame_host/navigation_entry_impl.cc b/content/browser/frame_host/navigation_entry_impl.cc
index f15f99973b95553d5dfffe854680bfe3bfab7b58..ecf43c456e6f813196c6913d7f948d3e292c6e6d 100644
--- a/content/browser/frame_host/navigation_entry_impl.cc
+++ b/content/browser/frame_host/navigation_entry_impl.cc
@@ -343,8 +343,7 @@ void NavigationEntryImpl::SetBindings(int bindings) {
   bindings_ = bindings;
 }
 
-const base::string16& NavigationEntryImpl::GetTitleForDisplay(
-    const std::string& languages) const {
+const base::string16& NavigationEntryImpl::GetTitleForDisplay() const {
   // Most pages have real titles. Don't even bother caching anything if this is
   // the case.
   if (!title_.empty())
@@ -358,9 +357,9 @@ const base::string16& NavigationEntryImpl::GetTitleForDisplay(
   // Use the virtual URL first if any, and fall back on using the real URL.
   base::string16 title;
   if (!virtual_url_.is_empty()) {
-    title = url_formatter::FormatUrl(virtual_url_, languages);
+    title = url_formatter::FormatUrl(virtual_url_);
   } else if (!GetURL().is_empty()) {
-    title = url_formatter::FormatUrl(GetURL(), languages);
+    title = url_formatter::FormatUrl(GetURL());
   }
 
   // For file:// URLs use the filename as the title, not the full path.