Prefetching: Introduce store commands abstractions to be used by tasks.

components/offline_pages/core/prefetch/test_prefetch_dispatcher.h

 // Copyright 2017 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_PREFETCH_TEST_PREFETCH_DISPATCHER_H_
 #define COMPONENTS_OFFLINE_PAGES_CORE_PREFETCH_TEST_PREFETCH_DISPATCHER_H_
 
 #include <memory>
 #include <string>
 #include <vector>
 
 #include "components/offline_pages/core/prefetch/prefetch_dispatcher.h"
 
 namespace offline_pages {
 struct ClientId;
 
 // Testing version of the prefetch dispatcher.
 class TestPrefetchDispatcher : public PrefetchDispatcher {
  public:
   TestPrefetchDispatcher();
   ~TestPrefetchDispatcher() override;
 
   // PrefetchDispatcher implementation.
   void AddCandidatePrefetchURLs(
-      const std::vector<PrefetchURL>& suggested_urls) override;
+      const std::string& name_space,
+      const std::vector<PrefetchURL>& prefetch_urls) override;
   void RemoveAllUnprocessedPrefetchURLs(const std::string& name_space) override;
   void RemovePrefetchURLsByClientId(const ClientId& client_id) override;
   void BeginBackgroundTask(std::unique_ptr<ScopedBackgroundTask> task) override;
   void StopBackgroundTask() override;
   void SetService(PrefetchService* service) override;
   void GCMOperationCompletedMessageReceived(
       const std::string& operation_name) override;
   void RequestFinishBackgroundTaskForTest() override;
 
+  std::string latest_name_space;
   std::vector<PrefetchURL> latest_prefetch_urls;
   std::unique_ptr<ClientId> last_removed_client_id;
   std::vector<std::string> operation_list;
 
   int new_suggestions_count = 0;
   int remove_all_suggestions_count = 0;
   int remove_by_client_id_count = 0;
 };
 
 }  // namespace offline_pages
 
 #endif  // COMPONENTS_OFFLINE_PAGES_CORE_PREFETCH_TEST_PREFETCH_DISPATCHER_H_