Refactor the translate infobars on mac to match the new windows code.

chrome/browser/browser_main.cc

Index: chrome/browser/browser_main.cc
diff --git a/chrome/browser/browser_main.cc b/chrome/browser/browser_main.cc
index 29016d64de4b3614cf18e57207f8afab7797845e..947f805303573dfa3fb255178cd0a08b179e1f05 100644
--- a/chrome/browser/browser_main.cc
+++ b/chrome/browser/browser_main.cc
@@ -56,7 +56,7 @@
 #include "chrome/browser/search_engines/template_url_model.h"
 #include "chrome/browser/search_engines/template_url_prepopulate_data.h"
 #include "chrome/browser/shell_integration.h"
-#if !defined(OS_WIN)
+#if !defined(OS_WIN) && !defined(OS_MACOSX)
 #include "chrome/browser/translate/translate_manager.h"
 #else
 #include "chrome/browser/translate/translate_manager2.h"
@@ -1210,7 +1210,7 @@ int BrowserMain(const MainFunctionParams& parameters) {
     return ResultCodes::MACHINE_LEVEL_INSTALL_EXISTS;
 
   // Create the TranslateManager singleton.
-#if defined(OS_WIN)
+#if defined(OS_WIN) || defined(OS_MACOSX)
   Singleton<TranslateManager2>::get();
 #else
   Singleton<TranslateManager>::get();