Infobar system refactor.

chrome/browser/nacl_host/nacl_infobar_delegate.h

Index: chrome/browser/nacl_host/nacl_infobar_delegate.h
===================================================================
--- chrome/browser/nacl_host/nacl_infobar_delegate.h	(revision 238220)
+++ chrome/browser/nacl_host/nacl_infobar_delegate.h	(working copy)
@@ -9,12 +9,12 @@
 
 class NaClInfoBarDelegate : public ConfirmInfoBarDelegate {
  public:
-  // Creates a NaCl infobar delegate and adds it to the infobar service
-  // corresponding to the given render process and view IDs.
+  // Creates a NaCl infobar and delegate and adds the infobar to the infobar
+  // service corresponding to the given render process and view IDs.
   static void Create(int render_process_id, int render_view_id);
 
  private:
-  explicit NaClInfoBarDelegate(InfoBarService* infobar_service);
+  NaClInfoBarDelegate();
   virtual ~NaClInfoBarDelegate();
 
   virtual string16 GetMessageText() const OVERRIDE;