Infobar system refactor.

chrome/browser/ui/android/content_settings/popup_blocked_infobar_delegate.h

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CHROME_BROWSER_UI_ANDROID_CONTENT_SETTINGS_POPUP_BLOCKED_INFOBAR_DELEGATE_H_
 #define CHROME_BROWSER_UI_ANDROID_CONTENT_SETTINGS_POPUP_BLOCKED_INFOBAR_DELEGATE_H_
 
 #include "chrome/browser/infobars/confirm_infobar_delegate.h"
 
 class InfoBarService;
 
 class PopupBlockedInfoBarDelegate : public ConfirmInfoBarDelegate {
  public:
-  // Creates a popup blocked infobar delegate and adds it to |infobar_service|.
+  // Creates a popup blocked infobar and delegate and adds the infobar to
+  // |infobar_service|.
   static void Create(InfoBarService* infobar_service, int num_popups);
 
   virtual ~PopupBlockedInfoBarDelegate();
 
  private:
-  PopupBlockedInfoBarDelegate(InfoBarService* infobar_service, int num_popups);
+  explicit PopupBlockedInfoBarDelegate(int num_popups);
 
   // ConfirmInfoBarDelegate:
   virtual int GetIconID() const OVERRIDE;
   virtual PopupBlockedInfoBarDelegate* AsPopupBlockedInfoBarDelegate() OVERRIDE;
   virtual string16 GetMessageText() const OVERRIDE;
   virtual int GetButtons() const OVERRIDE;
   virtual string16 GetButtonLabel(InfoBarButton button) const OVERRIDE;
   virtual bool Accept() OVERRIDE;
 
   int num_popups_;
 
   DISALLOW_COPY_AND_ASSIGN(PopupBlockedInfoBarDelegate);
 };
 
 #endif  // CHROME_BROWSER_UI_ANDROID_CONTENT_SETTINGS_POPUP_BLOCKED_INFOBAR_DELEGATE_H_