[DO NOT COMMIT][Offline Pages] Moving Offline Page Cache to cache directory.

components/offline_pages/core/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_CORE_OFFLINE_PAGE_MODEL_IMPL_H_
 #define COMPONENTS_OFFLINE_PAGES_CORE_OFFLINE_PAGE_MODEL_IMPL_H_
 
 #include <stdint.h>
 
 #include <map>
@@ skipping 39 matching lines @@
 class OfflinePageModelQuery;
 class OfflinePageStorageManager;
 
 // Implementation of service for saving pages offline, storing the offline
 // copy and metadata, and retrieving them upon request.
 class OfflinePageModelImpl : public OfflinePageModel, public KeyedService {
  public:
   // All blocking calls/disk access will happen on the provided |task_runner|.
   OfflinePageModelImpl(
       std::unique_ptr<OfflinePageMetadataStore> store,
-      const base::FilePath& archives_dir,
+      const ArchiveDirectories& archive_dirs,
       const scoped_refptr<base::SequencedTaskRunner>& task_runner);
   ~OfflinePageModelImpl() override;
 
   // Implemented methods:
   void AddObserver(Observer* observer) override;
   void RemoveObserver(Observer* observer) override;
   void SavePage(const SavePageParams& save_page_params,
                 std::unique_ptr<OfflinePageArchiver> archiver,
                 const SavePageCallback& callback) override;
   void MarkPageAccessed(int64_t offline_id) override;
@@ skipping 167 matching lines @@
   // Callback completing storage clearing.
   void OnStorageCleared(size_t cleared_page_count,
                         OfflinePageStorageManager::ClearStorageResult result);
 
   // Post task to clear storage.
   void PostClearStorageIfNeededTask(bool delayed);
 
   // Check if |offline_page| should be removed on cache reset by user.
   bool IsRemovedOnCacheReset(const OfflinePageItem& offline_page) const;
 
+  // Get the archive directory based on namespace.
+  const base::FilePath& GetArchiveDirectory(
+      const std::string& name_space) 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_;
+  ArchiveDirectories archive_dirs_;
 
   // The observers.
   base::ObserverList<Observer> observers_;
 
   bool is_loaded_;
 
   // In memory copy of the offline page metadata, keyed by offline IDs.
   std::map<int64_t, OfflinePageItem> offline_pages_;
 
   // Pending archivers owned by this model.
@@ skipping 20 matching lines @@
   base::Clock* testing_clock_;
 
   base::WeakPtrFactory<OfflinePageModelImpl> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(OfflinePageModelImpl);
 };
 
 }  // namespace offline_pages
 
 #endif  // COMPONENTS_OFFLINE_PAGES_CORE_OFFLINE_PAGE_MODEL_IMPL_H_