Infobar system refactor.

chrome/browser/infobars/insecure_content_infobar_delegate.h

Index: chrome/browser/infobars/insecure_content_infobar_delegate.h
===================================================================
--- chrome/browser/infobars/insecure_content_infobar_delegate.h	(revision 238220)
+++ chrome/browser/infobars/insecure_content_infobar_delegate.h	(working copy)
@@ -18,7 +18,7 @@
 
   // Depending on the |type| requested and whether an insecure content infobar
   // is already present in |infobar_service|, may do nothing; otherwise, creates
-  // an insecure content infobar delegate and either adds it to
+  // an insecure content infobar and delegate and either adds the infobar to
   // |infobar_service| or replaces the existing infobar.
   static void Create(InfoBarService* infobar_service, InfoBarType type);
 
@@ -35,8 +35,7 @@
     NUM_EVENTS
   };
 
-  InsecureContentInfoBarDelegate(InfoBarService* infobar_service,
-                                 InfoBarType type);
+  explicit InsecureContentInfoBarDelegate(InfoBarType type);
   virtual ~InsecureContentInfoBarDelegate();
 
   // ConfirmInfoBarDelegate: