Translate bubble for Mac OS X

chrome/browser/ui/cocoa/browser_window_controller.mm

Index: chrome/browser/ui/cocoa/browser_window_controller.mm
diff --git a/chrome/browser/ui/cocoa/browser_window_controller.mm b/chrome/browser/ui/cocoa/browser_window_controller.mm
index 181579d1e79e752239f60b6149c1327f62513144..0e81e7f605ece96cf14ec6a27b44da9a888eba10 100644
--- a/chrome/browser/ui/cocoa/browser_window_controller.mm
+++ b/chrome/browser/ui/cocoa/browser_window_controller.mm
@@ -27,6 +27,7 @@
 #include "chrome/browser/signin/signin_ui_util.h"
 #include "chrome/browser/themes/theme_service.h"
 #include "chrome/browser/themes/theme_service_factory.h"
+#include "chrome/browser/translate/translate_manager.h"
 #include "chrome/browser/translate/translate_ui_delegate.h"
 #include "chrome/browser/ui/bookmarks/bookmark_editor.h"
 #include "chrome/browser/ui/bookmarks/bookmark_utils.h"
@@ -1786,9 +1787,10 @@ enum {
     return;
   }
 
-  // TODO(hajimehoshi): Set the initial languages correctly.
-  std::string sourceLanguage = "xx";
-  std::string targetLanguage = "yy";
+  std::string sourceLanguage;
+  std::string targetLanguage;
+  TranslateManager::GetTranslateLanguages(contents,
+                                          &sourceLanguage, &targetLanguage);
 
   scoped_ptr<TranslateUIDelegate> uiDelegate(
       new TranslateUIDelegate(contents, sourceLanguage, targetLanguage));