Refactor the offline page storage to include client namespace and id.

components/offline_pages/offline_page_metadata_store_impl.h

 // Copyright 2015 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_METADATA_STORE_IMPL_H_
 #define COMPONENTS_OFFLINE_PAGES_OFFLINE_PAGE_METADATA_STORE_IMPL_H_
 
 #include <stdint.h>
 
 #include <vector>
@@ skipping 23 matching lines @@
  public:
   OfflinePageMetadataStoreImpl(
       scoped_refptr<base::SequencedTaskRunner> background_task_runner,
       const base::FilePath& database_dir);
   ~OfflinePageMetadataStoreImpl() override;
 
   // OfflinePageMetadataStore implementation:
   void Load(const LoadCallback& callback) override;
   void AddOrUpdateOfflinePage(const OfflinePageItem& offline_page_record,
                               const UpdateCallback& callback) override;
-  void RemoveOfflinePages(const std::vector<int64_t>& bookmark_ids,
+  void RemoveOfflinePages(const std::vector<int64_t>& offline_ids,
                           const UpdateCallback& callback) override;
   void Reset(const ResetCallback& callback) override;
 
  private:
   void LoadContinuation(const LoadCallback& callback, bool success);
   void LoadDone(const LoadCallback& callback,
                 bool success,
                 scoped_ptr<std::vector<OfflinePageEntry>> entries);
   void NotifyLoadResult(const LoadCallback& callback,
                         LoadStatus status,
@@ skipping 15 matching lines @@
   scoped_ptr<leveldb_proto::ProtoDatabase<OfflinePageEntry>> database_;
 
   base::WeakPtrFactory<OfflinePageMetadataStoreImpl> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(OfflinePageMetadataStoreImpl);
 };
 
 }  // namespace offline_pages
 
 #endif  // COMPONENTS_OFFLINE_PAGES_OFFLINE_PAGE_METADATA_STORE_IMPL_H_