Revert 238283 "Infobar system refactor."

trunk/src/chrome/browser/ui/content_settings/media_setting_changed_infobar_delegate.h

Index: trunk/src/chrome/browser/ui/content_settings/media_setting_changed_infobar_delegate.h
===================================================================
--- trunk/src/chrome/browser/ui/content_settings/media_setting_changed_infobar_delegate.h	(revision 238401)
+++ trunk/src/chrome/browser/ui/content_settings/media_setting_changed_infobar_delegate.h	(working copy)
@@ -13,12 +13,12 @@
 // settings, and allows a reload via a button on the infobar.
 class MediaSettingChangedInfoBarDelegate : public ConfirmInfoBarDelegate {
  public:
-  // Creates a media setting changed infobar and delegate and adds the infobar
-  // to |infobar_service|.
+  // Creates a media setting changed infobar delegate and adds it to
+  // |infobar_service|.
   static void Create(InfoBarService* infobar_service);
 
  private:
-  MediaSettingChangedInfoBarDelegate();
+  explicit MediaSettingChangedInfoBarDelegate(InfoBarService* infobar_service);
   virtual ~MediaSettingChangedInfoBarDelegate();
 
   // ConfirmInfoBarDelegate: