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

components/offline_pages/core/prefetch/prefetch_service_impl.cc

 // 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.
 
 #include "components/offline_pages/core/prefetch/prefetch_service_impl.h"
 
 #include <utility>
 
 #include "base/bind.h"
 #include "base/memory/ptr_util.h"
 #include "components/offline_pages/core/prefetch/offline_metrics_collector.h"
 #include "components/offline_pages/core/prefetch/prefetch_dispatcher.h"
+#include "components/offline_pages/core/prefetch/prefetch_dispatcher_impl.h"
 #include "components/offline_pages/core/prefetch/prefetch_gcm_handler.h"
-#include "components/offline_pages/core/prefetch/prefetch_store.h"
+#include "components/offline_pages/core/prefetch/store/prefetch_store_command_factory.h"
 #include "components/offline_pages/core/prefetch/suggested_articles_observer.h"
 
 namespace offline_pages {
 
 PrefetchServiceImpl::PrefetchServiceImpl(
     std::unique_ptr<OfflineMetricsCollector> offline_metrics_collector,
     std::unique_ptr<PrefetchDispatcher> dispatcher,
     std::unique_ptr<PrefetchGCMHandler> gcm_handler,
-    std::unique_ptr<PrefetchStore> store,
+    std::unique_ptr<PrefetchStoreCommandFactory> store_command_factory,
     std::unique_ptr<SuggestedArticlesObserver> suggested_articles_observer)
     : offline_metrics_collector_(std::move(offline_metrics_collector)),
       prefetch_dispatcher_(std::move(dispatcher)),
       prefetch_gcm_handler_(std::move(gcm_handler)),
-      prefetch_store_(std::move(store)),
+      store_command_factory_(std::move(store_command_factory)),
       suggested_articles_observer_(std::move(suggested_articles_observer)) {
   prefetch_dispatcher_->SetService(this);
   prefetch_gcm_handler_->SetService(this);
 }
 
 PrefetchServiceImpl::~PrefetchServiceImpl() = default;
 
 OfflineMetricsCollector* PrefetchServiceImpl::GetOfflineMetricsCollector() {
   return offline_metrics_collector_.get();
 }
 
 PrefetchDispatcher* PrefetchServiceImpl::GetPrefetchDispatcher() {
   return prefetch_dispatcher_.get();
 }
 
 PrefetchGCMHandler* PrefetchServiceImpl::GetPrefetchGCMHandler() {
   return prefetch_gcm_handler_.get();
 }
 
-PrefetchStore* PrefetchServiceImpl::GetPrefetchStore() {
-  return prefetch_store_.get();
+PrefetchStoreCommandFactory*
+PrefetchServiceImpl::GetPrefetchStoreCommandFactory() {
+  return store_command_factory_.get();
 }
 
 SuggestedArticlesObserver* PrefetchServiceImpl::GetSuggestedArticlesObserver() {
   return suggested_articles_observer_.get();
 }
 
 OfflineEventLogger* PrefetchServiceImpl::GetLogger() {
   return &logger_;
 }
 
 void PrefetchServiceImpl::Shutdown() {
   suggested_articles_observer_.reset();
 }
 
 }  // namespace offline_pages