[Offline pages] Extracting callbacks from the Offline Page Model

chrome/browser/browsing_data/browsing_data_remover.cc

 // Copyright (c) 2012 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/browsing_data/browsing_data_remover.h"
 
 #include <map>
 #include <set>
 #include <string>
 
@@ skipping 1300 matching lines @@
   NotifyIfDone();
 }
 
 void BrowsingDataRemover::OnClearedWebappHistory() {
   DCHECK_CURRENTLY_ON(BrowserThread::UI);
   waiting_for_clear_webapp_history_ = false;
   NotifyIfDone();
 }
 
 void BrowsingDataRemover::OnClearedOfflinePageData(
-    offline_pages::OfflinePageModel::DeletePageResult result) {
+    offline_pages::DeletePageResult result) {
   DCHECK_CURRENTLY_ON(BrowserThread::UI);
   waiting_for_clear_offline_page_data_ = false;
   NotifyIfDone();
 }
 #endif
 
 void BrowsingDataRemover::OnClearedDomainReliabilityMonitor() {
   DCHECK_CURRENTLY_ON(BrowserThread::UI);
   waiting_for_clear_domain_reliability_monitor_ = false;
   NotifyIfDone();
 }
 
 // static
 BrowsingDataRemover::CallbackSubscription
     BrowsingDataRemover::RegisterOnBrowsingDataRemovedCallback(
         const BrowsingDataRemover::Callback& callback) {
   return GetOnBrowsingDataRemovedCallbacks()->Add(callback);
 }