Translate: enable against unknown languages with server side detection

chrome/browser/tab_contents/render_view_context_menu.cc

Index: chrome/browser/tab_contents/render_view_context_menu.cc
diff --git a/chrome/browser/tab_contents/render_view_context_menu.cc b/chrome/browser/tab_contents/render_view_context_menu.cc
index 54a3e281f7c1dedb9612004029465d80d03a243d..145559f96d4d0a23c56a0b1242c737f66c5054d6 100644
--- a/chrome/browser/tab_contents/render_view_context_menu.cc
+++ b/chrome/browser/tab_contents/render_view_context_menu.cc
@@ -1198,13 +1198,8 @@ bool RenderViewContextMenu::IsCommandIdEnabled(int id) const {
       // target languages are identical.  This is to give a way to user to
       // translate a page that might contains text fragments in a different
       // language.
-      return !!(params_.edit_flags & WebContextMenuData::CanTranslate) &&
+      return ((params_.edit_flags & WebContextMenuData::CanTranslate) != 0) &&
              !original_lang.empty() &&  // Did we receive the page language yet?
-             // Only allow translating languages we explitly support and the
-             // unknown language (in which case the page language is detected on
-             // the server side).
-             (original_lang == chrome::kUnknownLanguageCode ||
-                 TranslateManager::IsSupportedLanguage(original_lang)) &&
              !translate_tab_helper->language_state().IsPageTranslated() &&
              !source_web_contents_->GetInterstitialPage() &&
              // There are some application locales which can't be used as a