Clean up the PermissionInfoBarDelegate hierarchy.

chrome/browser/media/protected_media_identifier_infobar_delegate_android.cc

 // 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.
 
 #include "chrome/browser/media/protected_media_identifier_infobar_delegate_android.h"
 
 #include "chrome/browser/android/android_theme_resources.h"
 #include "chrome/browser/infobars/infobar_service.h"
 #include "chrome/common/url_constants.h"
 #include "chrome/grit/generated_resources.h"
 #include "components/infobars/core/infobar.h"
 #include "grit/components_strings.h"
 #include "ui/base/l10n/l10n_util.h"
 
 // static
 infobars::InfoBar* ProtectedMediaIdentifierInfoBarDelegateAndroid::Create(
     InfoBarService* infobar_service,
     const GURL& requesting_frame,
     bool user_gesture,
     Profile* profile,
     const PermissionSetCallback& callback) {
   return infobar_service->AddInfoBar(
-      CreatePermissionInfoBar(std::unique_ptr<PermissionInfobarDelegate>(
+      CreatePermissionInfoBar(std::unique_ptr<PermissionInfoBarDelegate>(
           new ProtectedMediaIdentifierInfoBarDelegateAndroid(
               requesting_frame, user_gesture, profile, callback))));
 }
 
 ProtectedMediaIdentifierInfoBarDelegateAndroid::
     ProtectedMediaIdentifierInfoBarDelegateAndroid(
         const GURL& requesting_frame,
         bool user_gesture,
         Profile* profile,
         const PermissionSetCallback& callback)
-    : PermissionInfobarDelegate(
+    : SinglePermissionInfoBarDelegate(
           requesting_frame,
           content::PermissionType::PROTECTED_MEDIA_IDENTIFIER,
           CONTENT_SETTINGS_TYPE_PROTECTED_MEDIA_IDENTIFIER,
           user_gesture,
           profile,
-          callback),
-      requesting_frame_(requesting_frame) {}
+          callback) {}
 
 ProtectedMediaIdentifierInfoBarDelegateAndroid::
     ~ProtectedMediaIdentifierInfoBarDelegateAndroid() {}
 
 infobars::InfoBarDelegate::InfoBarIdentifier
 ProtectedMediaIdentifierInfoBarDelegateAndroid::GetIdentifier() const {
   return PROTECTED_MEDIA_IDENTIFIER_INFOBAR_DELEGATE_ANDROID;
 }
 
 int ProtectedMediaIdentifierInfoBarDelegateAndroid::GetIconId() const {
   return IDR_ANDROID_INFOBAR_PROTECTED_MEDIA_IDENTIFIER;
 }
 
 int ProtectedMediaIdentifierInfoBarDelegateAndroid::GetMessageResourceId()
     const {
   return IDS_PROTECTED_MEDIA_IDENTIFIER_INFOBAR_QUESTION;
 }
 
 base::string16 ProtectedMediaIdentifierInfoBarDelegateAndroid::GetLinkText()
     const {
   return l10n_util::GetStringUTF16(IDS_LEARN_MORE);
 }
 
 GURL ProtectedMediaIdentifierInfoBarDelegateAndroid::GetLinkURL() const {
   return GURL(chrome::kEnhancedPlaybackNotificationLearnMoreURL);
 }