Simplify the translate infobar code some.

chrome/browser/ui/gtk/infobars/before_translate_infobar_gtk.cc

Index: chrome/browser/ui/gtk/infobars/before_translate_infobar_gtk.cc
===================================================================
--- chrome/browser/ui/gtk/infobars/before_translate_infobar_gtk.cc	(revision 157463)
+++ chrome/browser/ui/gtk/infobars/before_translate_infobar_gtk.cc	(working copy)
@@ -58,10 +58,9 @@
 
   TranslateInfoBarDelegate* delegate = GetDelegate();
   if (delegate->ShouldShowNeverTranslateButton()) {
-    std::string label =
-        l10n_util::GetStringFUTF8(IDS_TRANSLATE_INFOBAR_NEVER_TRANSLATE,
-                                  delegate->GetLanguageDisplayableNameAt(
-                                      delegate->original_language_index()));
+    std::string label = l10n_util::GetStringFUTF8(
+        IDS_TRANSLATE_INFOBAR_NEVER_TRANSLATE,
+        delegate->language_name_at(delegate->original_language_index()));
     button = gtk_button_new_with_label(label.c_str());
     Signals()->Connect(button, "clicked",
                        G_CALLBACK(&OnNeverTranslatePressedThunk), this);
@@ -69,10 +68,9 @@
   }
 
   if (delegate->ShouldShowAlwaysTranslateButton()) {
-    std::string label =
-        l10n_util::GetStringFUTF8(IDS_TRANSLATE_INFOBAR_ALWAYS_TRANSLATE,
-                                  delegate->GetLanguageDisplayableNameAt(
-                                      delegate->original_language_index()));
+    std::string label = l10n_util::GetStringFUTF8(
+        IDS_TRANSLATE_INFOBAR_ALWAYS_TRANSLATE,
+        delegate->language_name_at(delegate->original_language_index()));
     button = gtk_button_new_with_label(label.c_str());
     Signals()->Connect(button, "clicked",
                        G_CALLBACK(&OnAlwaysTranslatePressedThunk), this);
@@ -85,11 +83,8 @@
 }
 
 void BeforeTranslateInfoBar::OnLanguageModified(GtkWidget* sender) {
-  size_t index = GetLanguageComboboxActiveId(GTK_COMBO_BOX(sender));
-  if (index == GetDelegate()->original_language_index())
-    return;
-
-  GetDelegate()->SetOriginalLanguage(index);
+  GetDelegate()->set_original_language_index(
+      GetLanguageComboboxActiveId(GTK_COMBO_BOX(sender)));
 }
 
 void BeforeTranslateInfoBar::OnAcceptPressed(GtkWidget* sender) {