Wipe out offline page data on clearing cookie and site data

chrome/browser/android/offline_pages/offline_page_model_factory.cc

 // 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.
 
 #include "chrome/browser/android/offline_pages/offline_page_model_factory.h"
 
 #include "base/files/file_path.h"
 #include "base/memory/singleton.h"
 #include "base/path_service.h"
 #include "base/sequenced_task_runner.h"
 #include "chrome/browser/profiles/incognito_helpers.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/common/chrome_paths.h"
 #include "components/keyed_service/content/browser_context_dependency_manager.h"
-#include "components/leveldb_proto/proto_database_impl.h"
 #include "components/offline_pages/offline_page_metadata_store_impl.h"
 #include "components/offline_pages/offline_page_model.h"
 #include "components/offline_pages/proto/offline_pages.pb.h"
 #include "content/public/browser/browser_thread.h"
 
 namespace offline_pages {
 
 OfflinePageModelFactory::OfflinePageModelFactory()
     : BrowserContextKeyedServiceFactory(
           "OfflinePageModel",
@@ skipping 10 matching lines @@
     content::BrowserContext* context) {
   return static_cast<OfflinePageModel*>(
       GetInstance()->GetServiceForBrowserContext(context, true));
 }
 
 KeyedService* OfflinePageModelFactory::BuildServiceInstanceFor(
     content::BrowserContext* context) const {
   scoped_refptr<base::SequencedTaskRunner> background_task_runner =
       content::BrowserThread::GetBlockingPool()->GetSequencedTaskRunner(
           content::BrowserThread::GetBlockingPool()->GetSequenceToken());
-
-  scoped_ptr<leveldb_proto::ProtoDatabaseImpl<OfflinePageEntry>> database(
-      new leveldb_proto::ProtoDatabaseImpl<OfflinePageEntry>(
-          background_task_runner));
-
   base::FilePath store_path;
   CHECK(PathService::Get(chrome::DIR_OFFLINE_PAGE_METADATA, &store_path));
   scoped_ptr<OfflinePageMetadataStoreImpl> metadata_store(
-      new OfflinePageMetadataStoreImpl(database.Pass(), store_path));
+      new OfflinePageMetadataStoreImpl(background_task_runner, store_path));
 
   return new OfflinePageModel(metadata_store.Pass(), background_task_runner);
 }
 
 content::BrowserContext* OfflinePageModelFactory::GetBrowserContextToUse(
     content::BrowserContext* context) const {
   return chrome::GetBrowserContextRedirectedInIncognito(context);
 }
 
 }  // namespace offline_pages