Infobar system refactor.

chrome/browser/media/protected_media_identifier_infobar_delegate.h

Index: chrome/browser/media/protected_media_identifier_infobar_delegate.h
===================================================================
--- chrome/browser/media/protected_media_identifier_infobar_delegate.h	(revision 238220)
+++ chrome/browser/media/protected_media_identifier_infobar_delegate.h	(working copy)
@@ -19,16 +19,16 @@
 
 class ProtectedMediaIdentifierInfoBarDelegate : public ConfirmInfoBarDelegate {
  public:
-  // Creates a protected media identifier infobar delegate and adds it to
-  // |infobar_service|.  Returns the delegate if it was successfully added.
-  static InfoBarDelegate* Create(InfoBarService* infobar_service,
-                                 PermissionQueueController* controller,
-                                 const PermissionRequestID& id,
-                                 const GURL& requesting_frame,
-                                 const std::string& display_languages);
+  // Creates a protected media identifier infobar and delegate and adds the
+  // infobar to |infobar_service|.  Returns the infobar if it was successfully
+  // added.
+  static InfoBar* Create(InfoBarService* infobar_service,
+                         PermissionQueueController* controller,
+                         const PermissionRequestID& id,
+                         const GURL& requesting_frame,
+                         const std::string& display_languages);
  protected:
-  ProtectedMediaIdentifierInfoBarDelegate(InfoBarService* infobar_service,
-                                          PermissionQueueController* controller,
+  ProtectedMediaIdentifierInfoBarDelegate(PermissionQueueController* controller,
                                           const PermissionRequestID& id,
                                           const GURL& requesting_frame,
                                           int contents_unique_id,