[Offline pages] Use the new policy bits

components/offline_pages/offline_page_model_impl.h

 // Copyright 2016 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 COMPONENTS_OFFLINE_PAGES_OFFLINE_PAGE_MODEL_IMPL_H_
 #define COMPONENTS_OFFLINE_PAGES_OFFLINE_PAGE_MODEL_IMPL_H_
 
 #include <stdint.h>
 
 #include <map>
@@ skipping 239 matching lines @@
   void ClearStorageIfNeeded(
       const OfflinePageStorageManager::ClearStorageCallback& callback);
 
   // Callback completing storage clearing.
   void OnStorageCleared(size_t expired_page_count,
                         OfflinePageStorageManager::ClearStorageResult result);
 
   // Post task to clear storage.
   void PostClearStorageIfNeededTask();
 
-  // Check if |offline_page| is user-requested.
-  bool IsUserRequestedPage(const OfflinePageItem& offline_page) const;
+  // Check if |offline_page| should be removed on cache reset by user.
+  bool IsRemovedOnCacheReset(const OfflinePageItem& offline_page) const;
 
   void RunWhenLoaded(const base::Closure& job);
 
   base::Time GetCurrentTime() const;
 
   // Persistent store for offline page metadata.
   std::unique_ptr<OfflinePageMetadataStore> store_;
 
   // Location where all of the archive files will be stored.
   base::FilePath archives_dir_;
@@ skipping 30 matching lines @@
   base::Clock* testing_clock_;
 
   base::WeakPtrFactory<OfflinePageModelImpl> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(OfflinePageModelImpl);
 };
 
 }  // namespace offline_pages
 
 #endif  // COMPONENTS_OFFLINE_PAGES_OFFLINE_PAGE_MODEL_IMPL_H_