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

components/url_formatter/elide_url.h

Index: components/url_formatter/elide_url.h
diff --git a/components/url_formatter/elide_url.h b/components/url_formatter/elide_url.h
index 5a05ceffa74ea7732ad4fee684207774a89d0684..335a69a255609e5f3d0cbda9a27ab9d62341aded 100644
--- a/components/url_formatter/elide_url.h
+++ b/components/url_formatter/elide_url.h
@@ -39,8 +39,7 @@ namespace url_formatter {
 // http://crbug.com/6487 for more information.
 base::string16 ElideUrl(const GURL& url,
                         const gfx::FontList& font_list,
-                        float available_pixel_width,
-                        const std::string& languages);
+                        float available_pixel_width);
 
 // This function takes a GURL object and elides the host to fit within
 // the given width. The function will never elide past the TLD+1 point,
@@ -58,8 +57,8 @@ base::string16 ElideHost(const GURL& host_url,
 // otherwise-simplified URLs from each other).
 //
 // Internationalized domain names (IDN) may be presented in Unicode if
-// |languages| accepts the Unicode representation (see
-// |url_formatter::FormatUrl| for more details on the algorithm).
+// they're regarded safe. See |url_formatter::FormatUrl| for more details on
+// the algorithm).
 //
 // - Omits the path for standard schemes, excepting file and filesystem.
 // - Omits the port if it is the default for the scheme.
@@ -72,15 +71,12 @@ base::string16 ElideHost(const GURL& host_url,
 // Chrome's Origin Info Bubble, there are icons and strings indicating origin
 // (non-)security. But in the HTTP Basic Auth prompt (for example), the scheme
 // may be the only indicator.
-base::string16 FormatUrlForSecurityDisplay(const GURL& origin,
-                                           const std::string& languages);
+base::string16 FormatUrlForSecurityDisplay(const GURL& origin);
 
 // Just like |FormatUrlForSecurityDisplay|, but also:
 //
 // - Omits the scheme if SchemeIsHTTPOrHTTPS().
-base::string16 FormatUrlForSecurityDisplayOmitScheme(
-    const GURL& origin,
-    const std::string& languages);
+base::string16 FormatUrlForSecurityDisplayOmitScheme(const GURL& origin);
 
 }  // namespace url_formatter