permissions: make ProtectedMediaIdentiferInfoBarDelegate a subclass of PermissionInfobarDelegate

chrome/browser/media/protected_media_identifier_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_MEDIA_PROTECTED_MEDIA_IDENTIFIER_INFOBAR_DELEGATE_H_
 #define CHROME_BROWSER_MEDIA_PROTECTED_MEDIA_IDENTIFIER_INFOBAR_DELEGATE_H_
 
 #include <string>
 
-#include "chrome/browser/permissions/permission_request_id.h"
-#include "components/infobars/core/confirm_infobar_delegate.h"
-#include "url/gurl.h"
+#include "chrome/browser/permissions/permission_infobar_delegate.h"
 
 class PermissionQueueController;
 class InfoBarService;
 
-// TODO(toyoshim): Much more code can be shared with GeolocationInfoBarDelegate.
-// http://crbug.com/266743
-
-class ProtectedMediaIdentifierInfoBarDelegate : public ConfirmInfoBarDelegate {
+class ProtectedMediaIdentifierInfoBarDelegate
+    : public PermissionInfobarDelegate {
  public:
   // Creates a protected media identifier infobar and delegate and adds the
   // infobar to |infobar_service|.  Returns the infobar if it was successfully
   // added.
   static infobars::InfoBar* Create(InfoBarService* infobar_service,
                                    PermissionQueueController* controller,
                                    const PermissionRequestID& id,
                                    const GURL& requesting_frame,
                                    const std::string& display_languages);
 
  protected:
   ProtectedMediaIdentifierInfoBarDelegate(PermissionQueueController* controller,
                                           const PermissionRequestID& id,
                                           const GURL& requesting_frame,
                                           const std::string& display_languages);
   ~ProtectedMediaIdentifierInfoBarDelegate() override;
 
-  // Calls back to the controller to inform it of the user's decision.
-  void SetPermission(bool update_content_setting, bool allowed);
-
  private:
   // ConfirmInfoBarDelegate:
-  Type GetInfoBarType() const override;
   int GetIconId() const override;
-  void InfoBarDismissed() override;
   base::string16 GetMessageText() const override;
-  base::string16 GetButtonLabel(InfoBarButton button) const override;
-  bool Accept() override;
-  bool Cancel() override;
   base::string16 GetLinkText() const override;
   bool LinkClicked(WindowOpenDisposition disposition) override;
 
-  PermissionQueueController* controller_;
-  const PermissionRequestID id_;
   GURL requesting_frame_;
   std::string display_languages_;
 
   DISALLOW_COPY_AND_ASSIGN(ProtectedMediaIdentifierInfoBarDelegate);
 };
 
 #endif  // CHROME_BROWSER_MEDIA_PROTECTED_MEDIA_IDENTIFIER_INFOBAR_DELEGATE_H_