#include "chrome/browser/chrome_notification_types.h"
#include "chrome/browser/chromeos/login/user_manager.h"
#include "chrome/browser/extensions/extension_service.h"
-#include "chrome/browser/extensions/extension_system.h"
#include "chrome/browser/extensions/extension_web_contents_observer.h"
#include "chrome/browser/tab_contents/background_contents.h"
#include "chrome/browser/ui/browser_navigator.h"
#include "content/public/browser/site_instance.h"
#include "content/public/browser/web_contents.h"
#include "content/public/browser/web_contents_observer.h"
+#include "extensions/browser/extension_system.h"
#include "extensions/common/extension.h"
#include "grit/generated_resources.h"
#include "grit/theme_resources.h"