[Offline Pages] Filtering expired pages and fix consistency check.

components/offline_pages/offline_page_test_store.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_TEST_STORE_H_
 #define COMPONENTS_OFFLINE_PAGES_OFFLINE_PAGE_TEST_STORE_H_
 
 #include <stdint.h>
 
 #include <map>
@@ skipping 31 matching lines @@
   void RemoveOfflinePages(const std::vector<int64_t>& offline_ids,
                           const UpdateCallback& callback) override;
   void Reset(const ResetCallback& callback) override;
 
   void UpdateLastAccessTime(int64_t offline_id,
                             const base::Time& last_access_time);
 
   // Returns all pages, regardless their states.
   std::vector<OfflinePageItem> GetAllPages() const;
 
+  // Clear all pages in the store.
+  void ClearAllPages();
+
   const OfflinePageItem& last_saved_page() const { return last_saved_page_; }
 
   void set_test_scenario(TestScenario scenario) { scenario_ = scenario; };
 
  private:
   OfflinePageItem last_saved_page_;
   scoped_refptr<base::SingleThreadTaskRunner> task_runner_;
   TestScenario scenario_;
 
   std::map<int64_t, OfflinePageItem> offline_pages_;
 
   DISALLOW_ASSIGN(OfflinePageTestStore);
 };
 
 }  // namespace offline_pages
 
 #endif  // COMPONENTS_OFFLINE_PAGES_OFFLINE_PAGE_TEST_STORE_H_