[Offline Pages] Make new archives have random file names.

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 151 matching lines @@
                            int64_t offline_id,
                            const base::Time& start_time,
                            const SavePageCallback& callback,
                            OfflinePageArchiver* archiver,
                            OfflinePageArchiver::ArchiverResult result,
                            const GURL& url,
                            const base::FilePath& file_path,
                            const base::string16& title,
                            int64_t file_size);
   void OnAddOfflinePageDone(OfflinePageArchiver* archiver,
+                            const base::FilePath& file_path,
                             const SavePageCallback& callback,
                             const OfflinePageItem& offline_page,
                             ItemActionStatus status);
   void InformSavePageDone(const SavePageCallback& callback,
                           SavePageResult result,
                           const ClientId& client_id,
                           int64_t offline_id);
   void DeletePendingArchiver(OfflinePageArchiver* archiver);
 
   // Steps for deleting files and data for an offline page.
@@ skipping 105 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_